10+ PhiStream Consulting Interview Questions and Answers

The classifications of anti-hypertensive drugs include diuretics, beta blockers, ACE inhibitors, ARBs, and calcium channel blockers. The classifications of anti-diabetic drugs include insulin, sulfonylureas, biguanides, thiazolidinediones, and GLP-1 receptor agonists.

• Anti-hypertensive classifications: diuretics, beta blockers, ACE inhibitors, ARBs, calcium channel blockers

• Anti-diabetic classifications: insulin, sulfonylureas, biguanides, thiazolidinediones, GLP-1 receptor ago...read more

There are different types of clinical trials including randomized controlled trials, observational trials, and crossover trials.

• Randomized controlled trials involve randomly assigning participants to different treatment groups.

• Observational trials involve observing participants in their natural settings without intervention.

• Crossover trials involve participants receiving different treatments in a specific sequence.

• Other types include adaptive trials, non-inferiority trials, a...read more

Liver, Heart, Kidney, Nerves, and Skin are all vital organs or tissues in the human body.

• Liver: A large organ responsible for detoxification, metabolism, and production of bile.

• Heart: A muscular organ that pumps blood throughout the body.

• Kidney: Pair of organs that filter waste products from the blood and regulate fluid balance.

• Nerves: Bundles of fibers that transmit signals between the brain and different parts of the body.

• Skin: The outermost layer of the body that protects ...read more

Clinical research is the study of medical treatments and interventions on human subjects to gather data and evidence for improving healthcare.

• Clinical research involves conducting experiments, trials, and observations on human subjects.

• It aims to evaluate the safety, efficacy, and effectiveness of medical treatments and interventions.

• Data collected in clinical research helps in developing new drugs, improving existing treatments, and understanding diseases.

• Examples of clinica...read more

Clinical trials are research studies that test the safety and effectiveness of new medical treatments, interventions, or devices.

• Clinical trials are conducted to gather data and evidence about the benefits and risks of new medical interventions.

• They involve human participants who volunteer to be part of the study.

• Clinical trials follow strict protocols and guidelines to ensure ethical conduct and reliable results.

• They are typically divided into different phases, each with spe...read more

Cholangitis is the inflammation of the bile ducts, usually caused by a bacterial infection.

• Cholangitis is characterized by abdominal pain, fever, and jaundice.

• It can be acute or chronic, with acute cholangitis being a medical emergency.

• Common causes include gallstones, biliary strictures, and infections.

• Treatment involves antibiotics, drainage of the bile ducts, and addressing the underlying cause.

ICH stands for International Council for Harmonisation of Technical Requirements for Pharmaceuticals for Human Use. GMP stands for Good Manufacturing Practice.

• ICH is an international organization that develops guidelines for the pharmaceutical industry to ensure the safety, efficacy, and quality of medicinal products.

• GMP is a set of regulations and guidelines that ensure pharmaceutical products are consistently produced and controlled according to quality standards.

• ICH guidel...read more

Functional requirements describe what the system should do, while non-functional requirements describe how the system should perform.

• Functional requirements focus on specific behaviors of the system, such as user interactions or data manipulation.

• Non-functional requirements focus on qualities of the system, such as performance, security, or scalability.

• Functional requirements are typically easier to test and verify compared to non-functional requirements.

• Examples of functiona...read more

Concat and merge are methods in pandas used for combining dataframes.

• Concatenation is used to combine dataframes along rows or columns

• Merge is used to combine dataframes based on common columns or indices

• Concatenation example: pd.concat([df1, df2], axis=0)

• Merge example: pd.merge(df1, df2, on='key_column')

Some ways of prioritizing requirements include MoSCoW method, Kano model, and cost-benefit analysis.

• MoSCoW method categorizes requirements as Must have, Should have, Could have, and Won't have

• Kano model classifies requirements as Basic, Performance, and Excitement

• Cost-benefit analysis evaluates the cost of implementing a requirement against the benefits it will bring

User defined functions are functions created by the user to perform specific tasks in a program.

• User defined functions are created by the programmer to perform specific tasks.

• They can be called multiple times within a program to avoid repetition of code.

• User defined functions can take parameters and return values.

• Examples include functions to calculate the area of a circle or to sort an array.

Pyspark is a distributed computing framework for big data processing, while Pandas is a library for data manipulation in Python.

• Pyspark is designed for big data processing and distributed computing, while Pandas is more suitable for smaller datasets that can fit into memory.

• Pyspark is part of the Apache Spark ecosystem, allowing for parallel processing across multiple nodes, while Pandas operates on a single machine.

• Pyspark is optimized for handling large-scale data processin...read more

My referral person is John Smith, a former colleague who can speak to my leadership skills and accomplishments.

• John Smith, former colleague

• Can speak to leadership skills and accomplishments