Clinical Investigator

10+ Clinical Investigator Interview Questions and Answers

Updated 2 Jul 2025

Q. Diabetes , its type and difference

Ans.

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

Q. How many systems are in human body ellobarate any one system

Ans.

The human body has 11 major systems, each with unique functions essential for survival and health.

  • 1. Circulatory System: Transports blood, nutrients, and oxygen throughout the body.

  • 2. Respiratory System: Facilitates gas exchange, providing oxygen and removing carbon dioxide.

  • 3. Digestive System: Breaks down food into nutrients for energy and growth.

  • 4. Nervous System: Controls body functions and responses through electrical signals.

  • 5. Musculoskeletal System: Supports movement a...read more

Clinical Investigator Interview Questions and Answers for Freshers

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Q. What do you know about autoimmune disorders?

Ans.

Autoimmune disorders occur when the immune system mistakenly attacks healthy cells in the body.

  • Autoimmune disorders result from a malfunction of the immune system.

  • Examples include rheumatoid arthritis, lupus, and type 1 diabetes.

  • Treatment often involves managing symptoms and suppressing the immune response.

Q. What are coronary arteries and there types

Ans.

Coronary arteries supply blood to the heart muscle, essential for its function and health.

  • Coronary arteries are vital for delivering oxygen-rich blood to the heart.

  • There are two main types: the left coronary artery and the right coronary artery.

  • The left coronary artery branches into the left anterior descending artery and the circumflex artery.

  • The right coronary artery supplies blood to the right side of the heart and parts of the left side.

  • Coronary artery disease can occur w...read more

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Q. What is meant ectomy, itis, otomy

Ans.

Ectomy, itis, and otomy are suffixes used in medical terminology to describe surgical procedures and conditions.

  • Ectomy: Refers to surgical removal, e.g., appendectomy (removal of the appendix).

  • Itis: Indicates inflammation, e.g., arthritis (inflammation of the joints).

  • Otomy: Denotes a surgical incision, e.g., tracheotomy (incision into the trachea).

Q. What is arthroscopy and arthroplasty?

Ans.

Arthroscopy is a minimally invasive surgical procedure used to diagnose and treat joint problems. Arthroplasty is a surgical procedure to restore function to a joint by replacing or resurfacing the joint.

  • Arthroscopy involves inserting a small camera into the joint to visualize and diagnose issues.

  • Arthroplasty involves replacing damaged joint surfaces with artificial components.

  • Common arthroplasty procedures include hip replacement and knee replacement.

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Q. What is diabetes mellitus and types

Ans.

Diabetes mellitus is a chronic condition characterized by high blood sugar levels due to insulin issues.

  • Type 1 Diabetes: An autoimmune condition where the body attacks insulin-producing cells in the pancreas.

  • Type 2 Diabetes: A metabolic disorder where the body becomes resistant to insulin or doesn't produce enough.

  • Gestational Diabetes: Occurs during pregnancy and usually resolves after childbirth.

  • Other specific types: Includes conditions like MODY (Maturity Onset Diabetes of ...read more

Q. Tell me something about Optum.

Ans.

Optum is a health services and innovation company that aims to improve healthcare outcomes.

  • Optum is a subsidiary of UnitedHealth Group, one of the largest healthcare companies in the world.

  • They offer a wide range of services including pharmacy care services, data analytics, and population health management.

  • Optum operates across the healthcare spectrum, from individual patients to large healthcare organizations.

  • The company focuses on using technology and data-driven insights t...read more

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Q. What is tarsal tunnel syndrome?

Ans.

Tarsal tunnel syndrome is a condition where the tibial nerve is compressed or squeezed as it passes through the tarsal tunnel in the ankle.

  • It causes pain, numbness, and tingling in the foot and ankle.

  • Common causes include injury, overuse, and underlying conditions like flat feet or arthritis.

  • Treatment options include rest, physical therapy, medication, and in severe cases, surgery.

  • Examples of diagnostic tests include nerve conduction studies and imaging scans.

  • Proper footwear ...read more

Q. Cranial nerves in its order,bells palsy

Ans.

Cranial nerves in order: Bells palsy affects cranial nerve VII (facial nerve).

  • Cranial nerve VII is the facial nerve

  • Bells palsy is a condition that affects the facial nerve, causing weakness or paralysis on one side of the face

  • The order of cranial nerves is: I - Olfactory, II - Optic, III - Oculomotor, IV - Trochlear, V - Trigeminal, VI - Abducens, VII - Facial, VIII - Vestibulocochlear, IX - Glossopharyngeal, X - Vagus, XI - Accessory, XII - Hypoglossal

Q. Explain about Diabetes

Ans.

Diabetes is a chronic condition that affects how your body turns food into energy.

  • Diabetes is characterized by high levels of blood glucose resulting from defects in insulin production, insulin action, or both.

  • There are three main types of diabetes: type 1, type 2, and gestational diabetes.

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

  • Treatment for diabetes includes medication, insulin therapy, lifestyle changes, and m...read more

Q. Explain the anatomy of the heart.

Ans.

The heart is a muscular organ that pumps blood throughout the body, consisting of four chambers and various valves.

  • The heart has four chambers: two atria (upper) and two ventricles (lower).

  • The right atrium receives deoxygenated blood from the body via the superior and inferior vena cavae.

  • The right ventricle pumps deoxygenated blood to the lungs through the pulmonary artery for oxygenation.

  • The left atrium receives oxygenated blood from the lungs via the pulmonary veins.

  • The lef...read more

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