100+ Freelancer.com Interview Questions and Answers

The nervous system is responsible for transmitting signals between different parts of the body.

• The nervous system consists of the brain, spinal cord, and nerves.

• It controls and coordinates the body's actions and responses to stimuli.

• The central nervous system includes the brain and spinal cord, while the peripheral nervous system includes the nerves that connect to the rest of the body.

• Examples of nervous system disorders include Alzheimer's disease, multiple sclerosis, and P...read more

Antigen is a foreign substance that triggers the immune system to produce antibodies. Antibodies are proteins produced by the immune system to neutralize antigens.

• Antigen is a substance that is recognized by the immune system as foreign and triggers an immune response

• Antibodies are proteins produced by the immune system in response to antigens

• Antibodies bind to antigens to neutralize them and help the immune system eliminate them

• Examples: COVID-19 virus is an antigen, and the...read more

The nervous system is a complex network of nerves and cells that transmit signals between different parts of the body.

• The nervous system is divided into the central nervous system (CNS) and the peripheral nervous system (PNS).

• The CNS includes the brain and spinal cord, while the PNS includes all the nerves outside of the CNS.

• The nervous system controls voluntary actions (such as walking) and involuntary actions (such as breathing).

• Examples of nervous system disorders include ...read more

Diabetes mellitus is a chronic condition characterized by high levels of sugar in the blood due to the body's inability to produce or use insulin effectively.

• Diabetes mellitus is classified into type 1, type 2, gestational, and other specific types.

• Symptoms include frequent urination, increased thirst, unexplained weight loss, and fatigue.

• Treatment may involve medication, insulin therapy, diet and exercise management.

• Complications of diabetes mellitus include heart disease, k...read more

Denials can be solved by identifying the root cause, appealing with supporting documentation, and implementing process improvements.

• Identify the reason for denial by reviewing the denial code and explanation.

• Appeal the denial with any necessary supporting documentation or additional information.

• Implement process improvements to prevent future denials, such as updating billing codes or improving documentation.

• Track and monitor denials to identify trends and address recurring i...read more

Medical coding is the process of assigning standardized codes to medical diagnoses, procedures, and services.

• Medical coding involves translating medical information into alphanumeric codes.

• These codes are used for billing, insurance claims, and statistical analysis.

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

• Accurate coding is crucial for proper reimbursement and data analysis in healthcare.

• Certification is often required for medical code...read more

The cardiovascular system is responsible for circulating blood throughout the body, delivering oxygen and nutrients to cells.

• Consists of the heart, blood vessels, and blood

• Heart pumps blood through arteries to deliver oxygen and nutrients to cells

• Veins carry deoxygenated blood back to the heart for reoxygenation

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

Pressure ulcer is a localized injury to the skin and/or underlying tissue usually over a bony prominence, as a result of pressure or pressure in combination with shear.

• Caused by prolonged pressure on the skin

• Common in bedridden patients or those in wheelchairs

• Can lead to serious complications if not treated promptly

Different types of patients payment postings include insurance payments, patient payments, and adjustments.

• Insurance payments: Payments made by insurance companies for services rendered to patients.

• Patient payments: Payments made directly by patients for services received.

• Adjustments: Changes made to the patient's account to correct errors or account for discounts.

• Co-payments: Fixed amounts paid by patients at the time of service.

• Deductibles: Amounts patients must pay out of ...read more

Coordination of benefits denial involves determining which insurance company is responsible for paying a claim when a patient has multiple insurance policies.

• Review the patient's insurance policies to determine which one is primary and which one is secondary.

• Submit the claim to the primary insurance company first.

• If the primary insurance company denies the claim, submit it to the secondary insurance company with the denial from the primary insurance.

• Document all communication...read more

An ostomy is a surgical procedure that creates an opening in the body for the discharge of waste.

• Ostomy is often performed when a part of the digestive or urinary system is removed or damaged.

• There are different types of ostomies, such as colostomy, ileostomy, and urostomy.

• Patients with an ostomy may need to use a pouching system to collect waste.

• Ostomies can be temporary or permanent, depending on the reason for the surgery.

• Common conditions that may require an ostomy includ...read more

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

• Consists of the heart, blood vessels, and blood

• Heart pumps oxygenated blood to the body and deoxygenated blood to the lungs

• Blood vessels include arteries, veins, and capillaries

• Arteries carry oxygenated blood away from the heart

• Veins carry deoxygenated blood back to the heart

• Capillaries are tiny blood vessels where oxygen and nutrients are exchanged wi...read more

Adverse effects refer to harmful or unintended reactions that occur as a result of medical treatment or intervention.

• Adverse effects are also known as side effects or adverse drug reactions.

• They can range from mild to severe and can occur immediately or after a period of time.

• Examples of adverse effects include nausea, dizziness, allergic reactions, and organ damage.

• Adverse effects can be caused by medications, medical procedures, surgeries, or other interventions.

• Monitoring ...read more

The lifespan of a red blood cell (RBC) is approximately 120 days.

• RBCs are produced in the bone marrow and circulate in the bloodstream.

• Old or damaged RBCs are removed by the spleen and liver.

• The average lifespan of an RBC can vary slightly depending on individual health factors.

• Conditions like anemia or certain diseases can affect RBC lifespan.

The brain is the most complex organ in the human body responsible for controlling thoughts, memory, emotions, touch, vision, breathing, and more.

• The brain is divided into different regions, each responsible for specific functions such as the frontal lobe for decision making and the occipital lobe for vision.

• Neurons are the basic building blocks of the brain, transmitting information through electrical and chemical signals.

• The brain is protected by the skull and surrounded by ...read more

There are 11 main body systems in the human body.

• There are 11 main body systems in the human body: integumentary, skeletal, muscular, nervous, endocrine, cardiovascular, lymphatic, respiratory, digestive, urinary, and reproductive.

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

• For example, the cardiovascular system includes the heart, blood vessels, and blood, and is responsible for transporting nutrients and oxygen throughout th...read more

ICD updates are regular and necessary to keep up with medical advancements and changes in disease classification.

• ICD-11 was released in 2018 and includes new chapters on traditional medicine and sexual health

• ICD-10-CM was updated in October 2021 with over 700 changes, including new codes for COVID-19 and vaping-related disorders

• ICD-10-PCS was also updated in October 2021 with over 4,000 changes, including new codes for robotic-assisted surgery and gene therapy

• ICD updates are ...read more

The heart is a vital organ that pumps blood throughout the body, supplying oxygen and nutrients to the tissues.

• The heart is responsible for circulating blood throughout the body.

• It consists of four chambers: two atria and two ventricles.

• The heart's main function is to pump oxygenated blood to the body and deoxygenated blood to the lungs.

• It is composed of cardiac muscle tissue that contracts and relaxes to create the pumping action.

• The heart is regulated by electrical signals ...read more

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

• Medical coding involves assigning specific codes to medical diagnoses, procedures, services, and equipment for billing and insurance purposes.

• These codes are used by healthcare providers, insurance companies, and government agencies to track patient diagnoses and treatments.

• Examples of medical coding systems include ICD-10 for...read more

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

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

• Inhalation brings oxygen into the body, while exhalation removes carbon dioxide

• Respiratory disorders include asthma, pneumonia, and chronic obstructive pulmonary disease (COPD)

The father of medical coding is Dr. Hermann Hollerith.

• Dr. Hermann Hollerith is credited with developing the first mechanical tabulator used for medical coding in the late 19th century.

• His invention revolutionized the way medical data was recorded and analyzed, leading to the modern field of medical coding.

• Hollerith's tabulating machine was used to process data from the U.S. Census, demonstrating its effectiveness in organizing large amounts of information.

The human body consists of 11 major systems that work together to maintain health and functionality.

• The circulatory system transports oxygen and nutrients throughout the body.

• The respiratory system is responsible for breathing and exchanging gases.

• The digestive system breaks down food and absorbs nutrients.

• The nervous system controls body functions and sends signals.

• The skeletal system provides support and protection for the body.

• The muscular system allows movement and suppor...read more

Reconciling payment posting batch involves verifying and matching payments with corresponding invoices or accounts.

• Verify the total amount of payments received matches the total amount of invoices or accounts being paid

• Match each payment with the correct invoice or account number

• Investigate and resolve any discrepancies or missing payments

• Ensure all payments are accurately recorded in the system

• Generate a report detailing the reconciliation process

To save a file in Excel, click on the 'File' tab, select 'Save As', choose the location and format, and click 'Save'.

• Click on the 'File' tab in the top left corner of the Excel window.

• Select 'Save As' from the dropdown menu.

• Choose the location where you want to save the file.

• Select the desired format for the file (e.g. Excel Workbook, PDF, CSV).

• Click 'Save' to save the file in the selected location and format.

Mitre ATT&CK framework is a knowledge base of adversary tactics and techniques based on real-world observations.

• Provides a comprehensive list of tactics and techniques used by attackers

• Helps organizations understand and defend against cyber threats

• Used for threat intelligence, red teaming, and blue teaming

• Example: Credential Dumping technique under the Credential Access tactic

Hypertension is a medical condition characterized by high blood pressure.

• Hypertension is often referred to as the 'silent killer' because it usually has no symptoms but can lead to serious health issues.

• It is diagnosed when a person's blood pressure consistently measures higher than normal levels.

• Risk factors for hypertension include obesity, lack of physical activity, smoking, and genetics.

• Complications of hypertension can include heart disease, stroke, and kidney damage.

• Tre...read more

Sepsis coding guidelines are used to accurately document and code cases of sepsis in medical records.

• Sepsis coding guidelines are important for accurate documentation and coding of sepsis cases.

• ICD-10-CM codes are used to classify sepsis based on severity and other factors.

• Documentation should include the type of sepsis, the source of infection, and any associated organ dysfunction.

• Physicians and coders must work together to ensure proper coding and billing for sepsis cases.

Sepsis severity can increase the risk of fractures.

• Sepsis can lead to bone loss and weaken the bones, increasing the risk of fractures.

• Patients with severe sepsis are more likely to experience fractures than those with mild sepsis.

• Fractures in sepsis patients can also lead to longer hospital stays and increased mortality rates.

ESRD stands for End-Stage Renal Disease, a condition in which the kidneys are permanently damaged and can no longer function properly.

• ESRD requires either dialysis or a kidney transplant for treatment

• Common causes include diabetes, high blood pressure, and glomerulonephritis

• Symptoms may include fatigue, swelling, and difficulty concentrating

ICD guidelines for obstetrics and gynecology

• ICD-10-CM codes are used to report medical diagnoses and inpatient procedures

• ICD-10-PCS codes are used to report procedures performed in the hospital setting

• ICD-11 is the latest version of the International Classification of Diseases

• ICD codes are used for billing and reimbursement purposes

• ICD codes are updated annually and it is important to stay current with the changes

The system is a software tool used in healthcare to assign specific codes to medical diagnoses and procedures for billing and insurance purposes.

• The system helps ensure accurate and efficient billing by translating medical records into standardized codes.

• Medical coders use codebooks and software to assign the appropriate codes based on the information provided in the medical records.

• The codes are used for reimbursement, research, and quality improvement purposes.

• Examples of c...read more

Burn ICD guidelines provide specific codes for classifying burns based on severity, location, and extent.

• ICD-10-CM codes for burns range from T20-T31, with additional characters to specify degree and location

• Codes for burns include factors such as extent of body surface area affected and depth of burn

• Guidelines also include separate codes for chemical, electrical, and thermal burns