100+ Interview Questions and Answers

Copay, coinsurance, and out-of-pocket expenses are all terms used to describe the portion of medical costs that patients are responsible for paying.

• Copay is a fixed amount that patients pay for a specific medical service or prescription drug.

• Coinsurance is a percentage of the cost of a medical service that patients are responsible for paying.

• Out-of-pocket expenses are the total amount of money patients pay for medical services and prescription drugs that are not covered by in...read more

DM type 1 is an autoimmune disease where the body attacks insulin-producing cells, while DM type 2 is a metabolic disorder where the body becomes resistant to insulin.

• DM type 1 is usually diagnosed in children and young adults, while DM type 2 is more common in adults over 40.

• DM type 1 requires insulin injections for treatment, while DM type 2 can often be managed with lifestyle changes and medication.

• DM type 1 is less common than DM type 2, accounting for only 5-10% of all d...read more

To restrict a class from being inherited, mark it as final.

• Use the final keyword before the class declaration.

• Final classes cannot be subclassed.

• Any attempt to subclass a final class will result in a compile-time error.

Constructors are special methods used to initialize objects. Overloading allows multiple constructors with different parameters.

• Constructors have the same name as the class and no return type.

• Overloading constructors allows for different ways to initialize objects.

• Example: public class Person { public Person(string name) { } public Person(string name, int age) { } }

• Overloaded constructors can call each other using the 'this' keyword.

Use bubble sort algorithm to rearrange the array in decreasing order.

• Iterate through the array and compare adjacent elements, swapping them if they are in the wrong order.

• Repeat this process until the array is sorted in decreasing order.

• Example: ['apple', 'banana', 'cherry'] -> ['cherry', 'banana', 'apple']

I am highly skilled in automating infrastructure using scripting and coding.

• Proficient in scripting languages like Python, Bash, and PowerShell

• Experience in using configuration management tools like Ansible and Chef

• Familiarity with cloud platforms like AWS and Azure and their automation tools

• Implemented infrastructure as code using tools like Terraform

• Automated deployment pipelines using tools like Jenkins and GitLab CI/CD

• Examples: Wrote Python scripts to automate AWS EC2 ins...read more

obj open vs obj open by handle

• obj open opens a file and returns a file object

• obj open by handle opens a file using a file descriptor

• obj open by handle is faster than obj open

• obj open by handle is used when you already have a file descriptor

Diabetes is a chronic condition that affects how your body processes blood sugar.

• Type 1 diabetes is an autoimmune disease where the body attacks the cells in the pancreas that produce insulin.

• Type 2 diabetes is a condition where the body becomes resistant to insulin or doesn't produce enough insulin.

• Gestational diabetes occurs during pregnancy and usually goes away after delivery.

• Diabetes can lead to serious health complications such as heart disease, kidney disease, and nerv...read more

Authorization and COB denial handling for primary and secondary payers

• Authorization denial can occur when a service or procedure is not covered by the insurance plan

• COB denial happens when the primary payer has not paid the full amount and the secondary payer is responsible for the remaining balance

• To handle authorization denial, I would review the insurance policy and communicate with the provider to determine if an appeal is necessary

• For COB denial, I would verify the prima...read more

To change work object status of multiple cases from pending to closed.

• Identify the cases that need to be closed

• Update the status of each case to closed

• Save the changes made to the cases

• Use a loop to perform the above steps for multiple cases

• Example: Use a query to identify all cases with pending status and update their status to closed

Encapsulation is the concept of bundling data and methods that operate on the data into a single unit.

• Encapsulation helps in hiding the internal state of an object and restricting access to it.

• It allows for better control over the data by preventing direct access from outside the class.

• Example: In object-oriented programming, classes are used to implement encapsulation by combining data attributes and methods.

• TDP stands for Transmission Control Protocol, a connection-oriented...read more

I have worked with React, Node.js, and AWS recently.

• Developed a web application using React and Node.js

• Deployed the application on AWS EC2 instance

• Used AWS S3 for storing and retrieving files

• Implemented authentication and authorization using AWS Cognito

• Integrated Stripe payment gateway for online payments

Pharmacovigilance is the science and activities related to the detection, assessment, understanding, and prevention of adverse effects or any other drug-related problems.

• Pharmacovigilance is the process of monitoring and evaluating the safety and effectiveness of drugs.

• It involves collecting and analyzing data on adverse drug reactions (ADRs) and other drug-related problems.

• Pharmacovigilance aims to ensure patient safety and improve the overall quality of healthcare.

• It plays ...read more

There are two types of myocardial infarctions: STEMI and NSTEMI.

• STEMI (ST-elevation myocardial infarction) is caused by a complete blockage of a coronary artery.

• NSTEMI (non-ST-elevation myocardial infarction) is caused by a partial blockage of a coronary artery.

• STEMI is considered more severe and requires immediate medical attention.

• NSTEMI may not show as many symptoms and can be more difficult to diagnose.

• Examples of symptoms include chest pain, shortness of breath, and naus...read more

My approach would be to first understand the project requirements, identify the tools and technologies needed, and then design a modular and scalable framework.

• Understand project requirements

• Identify tools and technologies needed

• Design a modular and scalable framework

• Create a folder structure for the framework

• Define coding standards and guidelines

• Implement reusable functions and libraries

• Integrate with version control system

• Implement reporting and logging mechanisms

• Create tes...read more

Claims refer to requests made by policyholders to insurance companies for compensation for damages or losses covered by their insurance policy.

• Claims are requests made by policyholders to insurance companies for compensation for damages or losses covered by their insurance policy.

• Claims can be related to various types of insurance policies such as auto, home, health, and life insurance.

• The process of filing a claim typically involves providing documentation of the damages or ...read more

UB04 is a standard claim form used by healthcare providers to bill for services provided to patients in a facility setting.

• UB04 is also known as the CMS-1450 form

• It is used for billing Medicare, Medicaid, and private insurance companies

• The bill type field on the form indicates the type of service being billed, such as inpatient or outpatient

• The facility type field indicates the type of healthcare facility, such as hospital or nursing home

• The POS field indicates the place of s...read more

Program to reverse a string and remove duplicates from it.

• Create a function to reverse the string using a loop or built-in function

• Create a function to remove duplicates using a loop or built-in function

• Split the string by the delimiter and join it with space

Attrition and shrinkage can be handled by implementing effective retention strategies and optimizing workforce management.

• Implementing employee engagement programs to boost morale and job satisfaction

• Offering competitive compensation and benefits packages

• Providing opportunities for career growth and development

• Optimizing scheduling and staffing to minimize overstaffing and understaffing

• Conducting regular performance evaluations and providing feedback to employees

• Identifying a...read more

Accruals are expenses incurred but not yet paid or recorded in the books.

• Accruals are a way of recognizing expenses in the period they are incurred, rather than when they are paid.

• They are recorded as a liability on the balance sheet until they are paid.

• Examples of accruals include salaries and wages, interest, and taxes.

• Accruals are important for accurate financial reporting and forecasting.

Bacteria can grow in as little as 20 minutes to several days depending on the type and environmental conditions.

• The growth rate of bacteria varies depending on the type of bacteria and the environmental conditions.

• Some bacteria can double in number every 20 minutes, while others may take several days to grow.

• Factors that affect bacterial growth include temperature, pH level, moisture, and nutrient availability.

• Examples of fast-growing bacteria include E. coli and Salmonella, ...read more

A company's unique value proposition, culture, innovation, and customer experience sets it apart from others.

• Unique value proposition: what the company offers that others don't

• Culture: the company's values, beliefs, and practices

• Innovation: the ability to create new and better products/services

• Customer experience: how the company interacts with and satisfies its customers

• Examples: Apple's design and innovation, Zappos' customer service, Google's company culture

As an automation testing activity, I perform tasks such as creating and executing automated test scripts, analyzing test results, and reporting defects.

• Creating and maintaining automated test scripts using tools like Selenium, Appium, or TestComplete

• Executing automated test scripts and analyzing test results to identify defects

• Reporting defects and working with developers to resolve them

• Integrating automated tests into the continuous integration and delivery pipeline

• Collabora...read more

I have come across various exceptions in my role as a Quality Analyst, including data discrepancies, system errors, and process deviations.

• Data discrepancies between different systems or sources

• System errors such as crashes or bugs affecting quality metrics

• Process deviations from established procedures or standards

• Incorrect data entry leading to quality issues

Capacity planning is the process of determining the production capacity needed by an organization to meet changing demands for its products.

• It involves forecasting future demand and determining the resources needed to meet that demand

• It helps in optimizing the utilization of resources and reducing costs

• It involves analyzing historical data, market trends, and customer behavior to make informed decisions

• It helps in identifying bottlenecks and taking corrective actions to impro...read more

Improving quality and production requires a focus on process optimization and employee training.

• Identify areas of inefficiency and implement process improvements

• Invest in employee training and development to improve skills and knowledge

• Regularly review and analyze production data to identify areas for improvement

• Implement quality control measures to ensure consistent output

• Encourage employee feedback and suggestions for improvement

Prepaid expenses are assets paid in advance while outstanding expenses are liabilities yet to be paid.

• Prepaid expenses are recorded as assets on the balance sheet until they are used or expire.

• Journal entry for prepaid expense: Debit Prepaid Expense, Credit Cash/Bank.

• Outstanding expenses are recorded as liabilities on the balance sheet until they are paid.

• Journal entry for outstanding expense: Debit Expense, Credit Accounts Payable.

• Adjusting entries are made at the end of the...read more

I want to experience living in a different country and immersing myself in a new culture.

• Traveling to a foreign country and learning about their customs and traditions

• Trying new foods and experiencing different ways of life

• Making friends with locals and exploring the local attractions

The layers of skin are epidermis, dermis, and hypodermis. The human body has various systems including the urinary system.

• Layers of skin: epidermis, dermis, and hypodermis

• Systems in the human body: urinary system, respiratory system, circulatory system, digestive system, etc.

• Urinary system: responsible for filtering waste products from the blood and producing urine

• Hormones secreted by the thyroid gland: thyroxine (T4) and triiodothyronine (T3)

I start my work by reviewing my to-do list and prioritizing tasks. I end my work by reviewing what I have accomplished and planning for the next day.

• Review to-do list and prioritize tasks

• Set goals for the day

• Take breaks as needed

• Review accomplishments at the end of the day

• Plan for the next day

• Organize workspace before leaving

Cancer can be classified as benign or malignant based on its behavior and potential to spread.

• Benign tumors are non-cancerous and do not spread to other parts of the body.

• Malignant tumors are cancerous and have the potential to invade nearby tissues and spread to other parts of the body.

• Examples of benign tumors include lipomas and fibroids, while examples of malignant tumors include lung cancer and breast cancer.

Set executor memory to 8GB and executor cores to 5 for optimal performance.

• Set spark.executor.memory to 8g

• Set spark.executor.cores to 5

• Set spark.default.parallelism to 8000

• Use Hadoop InputFormat to read data in 128MB chunks

Constraints in SQL are rules that limit the type of data that can be inserted, updated or deleted from a table.

• Constraints ensure data integrity and consistency.

• Types of constraints include primary key, foreign key, unique, check, and default constraints.

• Examples of constraints include ensuring a column cannot have null values, or ensuring a foreign key references a valid primary key.

• Constraints can be added when creating a table or altered later using the ALTER TABLE stateme...read more

Append to adds an element to a list while append to map adds a key-value pair to a map.

• Append to is used for lists while append to map is used for maps.

• Append to adds an element to the end of the list while append to map adds a key-value pair to the map.

• Append to map can also update the value of an existing key in the map.

Queue processor manages tasks in a queue while job scheduler schedules tasks based on time or event triggers.

• Queue processor manages tasks in a queue and processes them in a first-in, first-out (FIFO) order.

• Job scheduler schedules tasks based on time or event triggers, and can prioritize tasks based on their importance.

• Queue processor is typically used for real-time processing of tasks, while job scheduler is used for batch processing.

• Examples of queue processors include Rabb...read more

Blocked rules are carry forward to ensure consistency and prevent errors in future processing.

• Blocked rules are rules that have been prevented from executing due to certain conditions not being met.

• These rules are carried forward to ensure that they are not missed in future processing.

• This helps to maintain consistency and prevent errors in the system.

• For example, if a rule is blocked due to a missing data field, it will be carried forward until the missing field is filled in...read more

Trials are experiments conducted to test the effectiveness and safety of new drugs or treatments.

• Trials are conducted to gather data on the effectiveness and safety of new drugs or treatments

• Trials are usually conducted in phases, with each phase involving a different number of participants and objectives

• Phase 1 trials involve a small number of healthy volunteers to test safety and dosage

• Phase 2 trials involve a larger number of participants to test effectiveness and side eff...read more

Relational DBMS stores data in tables with predefined relationships, while non-relational DBMS stores data in flexible, schema-less formats.

• Relational DBMS uses structured query language (SQL) for querying data

• Non-relational DBMS can store data in various formats like key-value pairs, document-based, graph databases

• Relational DBMS ensures data integrity through normalization and constraints

• Non-relational DBMS offers better scalability and flexibility for handling unstructured...read more

Class is a blueprint for creating objects, abstract class cannot be instantiated and can have abstract methods, interface is a contract for classes to implement certain methods.

• Class is a blueprint for creating objects with attributes and methods.

• Abstract class cannot be instantiated and can have abstract methods that must be implemented by subclasses.

• Interface is a contract for classes to implement certain methods, but does not provide any implementation.

Superclass data transform checkbox is used to inherit data transform rules from a parent class.

• When checked, the subclass will inherit the data transform rules from the superclass

• This can save time and effort in creating duplicate data transform rules

• Example: A superclass has a data transform rule to convert a date format, when the checkbox is checked in a subclass, it will also use the same rule

• This checkbox is available in Pega platform for software development

Incident, problem, and change management are processes used in IT to handle unexpected events, identify root causes of issues, and implement modifications to systems.

• Incident management involves responding to and resolving unexpected events that disrupt normal operations, such as system crashes or network outages.

• Problem management focuses on identifying the root causes of recurring incidents to prevent them from happening again in the future.

• Change management is the process ...read more

Infants have around 270 bones, which fuse together as they grow into adults with 206 bones.

• Infants have approximately 270 bones due to the presence of more cartilage that eventually fuses into bone

• Adults have 206 bones as some bones fuse together during growth and development

• Examples include the fusion of skull bones and the reduction in the number of bones in the spine from infancy to adulthood

Antihistamines are drugs that block the action of histamine, a substance released by the body during an allergic reaction.

• Antihistamines are commonly used to treat allergies, such as hay fever, hives, and allergic conjunctivitis.

• They can also be used to treat motion sickness, insomnia, and anxiety.

• Examples of antihistamines include loratadine, cetirizine, diphenhydramine, and fexofenadine.

• Antihistamines can be taken orally, topically, or by injection.

• They work by blocking the...read more

Child labour is the employment of children in any work that deprives them of their childhood, education, and potential.

• Child labour is a violation of human rights and is illegal in many countries.

• It is prevalent in industries such as agriculture, mining, and manufacturing.

• Children are often forced to work long hours in hazardous conditions for little pay.

• Child labour can have negative effects on a child's physical and mental health, as well as their education and future prosp...read more

The temperature of normal atmosphere varies depending on location and time of day.

• The average temperature of the Earth's atmosphere is around 15°C (59°F).

• The temperature can range from -89.2°C (-128.6°F) at the poles to 56.7°C (134.1°F) in deserts.

• The temperature also varies with altitude, decreasing by about 6.5°C per kilometer.

• The temperature can also vary with time of day, with the highest temperatures usually occurring in the afternoon.

• Factors such as humidity, wind, and ...read more

There are 11 major systems in the human body.

• The circulatory system transports blood throughout the body.

• The respiratory system is responsible for breathing and gas exchange.

• The digestive system processes food and absorbs nutrients.

• The nervous system controls body functions and sends signals.

• The skeletal system provides support and protection.

• The muscular system allows movement and generates heat.

• The integumentary system includes the skin, hair, and nails.

• The endocrine system...read more

Adults have 206 bones while infants have around 270 bones which fuse together as they grow.

• Adults have 206 bones in their body

• Infants have around 270 bones which eventually fuse together as they grow

• The number of bones in infants decreases as they age due to fusion of certain bones

• Babies are born with around 270 bones, but as they grow, some bones fuse together to form larger bones

PO refers to Purchase Order while Non PO refers to expenses without a purchase order.

• PO is a document that outlines the details of a purchase, including the items or services being purchased, the quantity, and the agreed-upon price.

• Non PO expenses are those that do not require a purchase order, such as office supplies or travel expenses.

• POs are typically used for larger purchases or purchases from new vendors, while non PO expenses are more routine and smaller in nature.

• POs h...read more

The pH of water can vary depending on its source and any added substances.

• Pure water has a pH of 7, which is neutral

• If water has a pH below 7, it is considered acidic

• If water has a pH above 7, it is considered basic or alkaline

• The pH of water can be affected by pollutants or chemicals added to it

Titrations are used to determine the concentration of a substance in a solution. Indicators are used to signal the endpoint of a titration.

• Titrations involve adding a solution of known concentration to a solution of unknown concentration until a reaction is complete.

• Indicators are added to the solution being titrated to signal the endpoint of the reaction.

• Common indicators include phenolphthalein, methyl orange, and bromothymol blue.

• Titrations can be acid-base, redox, or comp...read more

Yes, inheritance can be used in classes used by CSS.

• Inheritance in CSS allows properties to be inherited by child elements from their parent elements.

• This can be achieved using the 'inherit' keyword in CSS.

• For example, if a parent element has a font color of red, child elements can inherit this color unless explicitly overridden.

The circulatory system is responsible for transporting oxygen, nutrients, hormones, and waste products throughout the body.

• Consists of the heart, blood vessels, and blood

• Heart pumps oxygen-rich blood to the body and oxygen-poor blood to the lungs

• Arteries carry blood away from the heart, veins carry blood back to the heart

• Capillaries allow for exchange of nutrients and waste products between blood and tissues

Privileges are permissions granted to users or processes to perform specific actions or access certain resources.

• Privileges are used to control access to sensitive data or critical system resources.

• They can be assigned to individual users or groups.

• Examples include read, write, execute, and delete permissions.

• Privileges can also be used to restrict access to certain functions or features within an application.

• Without proper privileges, users may not be able to perform necessa...read more

driver.get() loads a new page while navigate().to() loads a new page or refreshes the current page.

• driver.get() is a method of WebDriver interface that loads a new web page in the current browser window.

• navigate().to() is a method of Navigation interface that loads a new web page or refreshes the current page.

• driver.get() waits for the page to load completely before returning control to the script.

• navigate().to() does not wait for the page to load completely before returning ...read more

Yes, Amazon should consider reducing its Amazon prime membership price.

• Reducing the price could attract more customers and increase revenue.

• It could also help retain existing customers who may be considering cancelling their membership due to the price.

• Amazon could offer different tiers of membership with varying prices to cater to different customer needs.

• Lowering the price could also help Amazon compete with other streaming services like Netflix and Hulu.

• However, Amazon sho...read more

The human body is made up of 11 major organ systems.

• There are 11 major organ systems in the human body, including the circulatory system, respiratory system, digestive system, nervous system, etc.

• Each system has specific functions and organs that work together to maintain homeostasis.

• For example, the circulatory system includes the heart, blood vessels, and blood, while the respiratory system includes the lungs and airways.

Duplicate payment is when a vendor is paid twice for the same invoice or service.

• Occurs when a payment is made for the same invoice or service more than once

• Can happen due to errors in the payment system or manual errors

• Can result in financial loss for the company

• Can be prevented by implementing proper controls and checks

• Example: Paying an invoice twice due to a system glitch

OOPs stands for Object-Oriented Programming. It is a programming paradigm based on the concept of objects, which can contain data and code.

• OOPs focuses on creating objects that interact with each other to solve problems

• It involves concepts like classes, objects, inheritance, polymorphism, and encapsulation

• Example: In a banking system, you can have classes like Account, Customer, and Transaction, each with their own properties and methods

ICD guidelines for hypertension and diabetes are important for accurate coding.

• ICD guidelines provide specific codes for hypertension and diabetes based on severity and complications.

• For hypertension, ICD-10-CM codes range from I10 to I15 depending on the type and severity of the condition.

• For diabetes, ICD-10-CM codes range from E08 to E13 depending on the type, complications, and control of the condition.

• ICD guidelines also provide coding instructions for related conditions...read more

Medical coding is the process of converting healthcare diagnoses, procedures, medical services, and equipment into universal alphanumeric codes.

• Medical coders assign codes to patient records for billing, insurance claims, and data analysis.

• Codes are used to communicate information between healthcare providers, insurance companies, and government agencies.

• Examples of coding systems include ICD-10-CM for diagnoses and CPT for procedures.

Social networks offer various advantages such as connecting people, sharing information, and promoting businesses.

• Social networks allow people to connect with friends and family from anywhere in the world.

• They provide a platform for sharing information and ideas with a large audience.

• Businesses can use social networks to promote their products and services to a wider audience.

• Social networks can also be used for networking and finding job opportunities.

• They can help raise awa...read more

Lambda law states that the time required to fix a defect is proportional to the time elapsed since the defect was introduced.

• Lambda law is used to estimate the time required to fix a defect.

• It helps in identifying the root cause of the defect and fixing it.

• Lambda law can be used to improve the software development process by reducing the defect rate.

• For example, if a defect is introduced in the early stages of development, it can be fixed quickly and easily. However, if the d...read more

Difference between Spark df, rdd, ds and configuration setup

• Spark df is a distributed collection of data organized into named columns

• RDD is a fault-tolerant collection of elements that can be processed in parallel

• DS is a type-safe version of df that provides compile-time type safety

• Configuration setup involves setting up Spark properties like memory allocation, parallelism, etc.

• Example: df.select('column').groupBy('column').agg({'column': 'sum'})

• Example: rdd.map(lambda x: x*2...read more

ABN is a form used to inform patients of potential non-covered services. Hpcs is a coding system for healthcare procedures. ICD 10 is a coding system for medical diagnoses.

• ABN stands for Advance Beneficiary Notice. It is used to inform Medicare patients of potential non-covered services and the cost they may incur.

• Hpcs stands for Healthcare Common Procedure Coding System. It is used to code healthcare procedures and services for billing purposes.

• ICD 10 stands for Internationa...read more

I chose medical coding because of my interest in healthcare, attention to detail, and desire for a career with growth opportunities.

• Passion for healthcare industry

• Strong attention to detail

• Opportunity for career growth and advancement

• Interest in working behind the scenes in healthcare

• Enjoy problem-solving and analytical tasks

Different types of laceration repair include primary closure, secondary closure, and delayed closure.

• Primary closure involves suturing the wound immediately after injury.

• Secondary closure involves allowing the wound to heal partially before suturing.

• Delayed closure involves waiting for the wound to heal significantly before suturing.

• Examples: Primary closure for a clean, fresh laceration; Secondary closure for a contaminated wound; Delayed closure for a jagged laceration.

Find maximum capacity a thief can steal with W Knapsack capacity.

• Use dynamic programming approach.

• Sort items by their value-to-weight ratio.

• Iterate through items and update maximum value that can be stolen.

Water is a vital resource for all living beings on Earth.

• Water covers about 71% of the Earth's surface.

• It is essential for hydration and bodily functions.

• Water can exist in three states: solid, liquid, and gas.

• It is used for various purposes such as agriculture, industry, and transportation.

• Water pollution is a major concern affecting aquatic life and human health.

The respiratory system is responsible for the exchange of oxygen and carbon dioxide in the body.

• Consists of organs such as the nose, trachea, lungs, and diaphragm

• Air is inhaled through the nose or mouth, passes through the trachea, and enters the lungs

• In the lungs, oxygen is absorbed into the bloodstream and carbon dioxide is expelled

• The diaphragm helps in the process of breathing by contracting and relaxing

• Respiratory diseases include asthma, chronic obstructive pulmonary di...read more

Binary search is a search algorithm that finds the position of a target value within a sorted array.

• Divide and conquer approach

• Compares target value with middle element of array

• If target value is smaller, search left half; if larger, search right half

• Repeat process until target value is found or subarray is empty