BIOS Final Review Exam 3 (Latest
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A –
Chamberlain
1. Which organ is primarily responsible for oxygen exchange?
A. Lungs
B. Heart
C. Liver
D. Kidney
Correct Answer: A
Rationale: The lungs facilitate gas exchange between oxygen
and carbon dioxide.
2. Which blood cell type is responsible for immune defense?
A. White blood cells
B. Red blood cells
C. Platelets
D. Plasma
Correct Answer: A
Rationale: White blood cells protect the body against
infections.
3. Which hormone is responsible for lowering blood glucose?
A. Insulin
, B. Glucagon
C. Cortisol
D. Epinephrine
Correct Answer: A
Rationale: Insulin promotes glucose uptake into cells.
4. Which electrolyte is most important for cardiac rhythm?
A. Potassium
B. Sodium
C. Calcium
D. Chloride
Correct Answer: A
Rationale: Potassium plays a key role in cardiac electrical
activity.
5. Which lab test is used to assess kidney function?
A. Creatinine
B. ALT
C. Troponin
D. Hemoglobin
Correct Answer: A
Rationale: Creatinine reflects kidney filtration efficiency.
6. Which structure in the kidney filters blood?
A. Glomerulus
B. Ureter
C. Bladder
D. Urethra
, Correct Answer: A
Rationale: The glomerulus filters blood to form filtrate.
7. Which condition is characterized by high blood glucose?
A. Diabetes mellitus
B. Hypoglycemia
C. Anemia
D. Hypertension
Correct Answer: A
Rationale: Diabetes results in elevated blood glucose levels.
8. Which lab marker indicates heart muscle damage?
A. Troponin
B. ALT
C. Creatinine
D. Hemoglobin
Correct Answer: A
Rationale: Troponin is specific for myocardial injury.
9. Which organ produces bile?
A. Liver
B. Pancreas
C. Gallbladder
D. Intestine
Correct Answer: A
Rationale: The liver produces bile for fat digestion.
10. Which test measures long-term blood glucose levels?
A. HbA1c
, B. Random glucose
C. Creatinine
D. ALT
Correct Answer: A
Rationale: HbA1c reflects average glucose over 2–3 months.
11. Which blood component is responsible for clotting?
A. Platelets
B. RBCs
C. WBCs
D. Plasma
Correct Answer: A
Rationale: Platelets initiate blood clot formation.
12. Which organ regulates fluid and electrolyte balance?
A. Kidney
B. Liver
C. Heart
D. Lung
Correct Answer: A
Rationale: The kidneys regulate fluid and electrolyte levels.
13. Which white blood cell fights viral infections?
A. Lymphocytes
B. Neutrophils
C. Eosinophils
D. Basophils
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A –
Chamberlain
1. Which organ is primarily responsible for oxygen exchange?
A. Lungs
B. Heart
C. Liver
D. Kidney
Correct Answer: A
Rationale: The lungs facilitate gas exchange between oxygen
and carbon dioxide.
2. Which blood cell type is responsible for immune defense?
A. White blood cells
B. Red blood cells
C. Platelets
D. Plasma
Correct Answer: A
Rationale: White blood cells protect the body against
infections.
3. Which hormone is responsible for lowering blood glucose?
A. Insulin
, B. Glucagon
C. Cortisol
D. Epinephrine
Correct Answer: A
Rationale: Insulin promotes glucose uptake into cells.
4. Which electrolyte is most important for cardiac rhythm?
A. Potassium
B. Sodium
C. Calcium
D. Chloride
Correct Answer: A
Rationale: Potassium plays a key role in cardiac electrical
activity.
5. Which lab test is used to assess kidney function?
A. Creatinine
B. ALT
C. Troponin
D. Hemoglobin
Correct Answer: A
Rationale: Creatinine reflects kidney filtration efficiency.
6. Which structure in the kidney filters blood?
A. Glomerulus
B. Ureter
C. Bladder
D. Urethra
, Correct Answer: A
Rationale: The glomerulus filters blood to form filtrate.
7. Which condition is characterized by high blood glucose?
A. Diabetes mellitus
B. Hypoglycemia
C. Anemia
D. Hypertension
Correct Answer: A
Rationale: Diabetes results in elevated blood glucose levels.
8. Which lab marker indicates heart muscle damage?
A. Troponin
B. ALT
C. Creatinine
D. Hemoglobin
Correct Answer: A
Rationale: Troponin is specific for myocardial injury.
9. Which organ produces bile?
A. Liver
B. Pancreas
C. Gallbladder
D. Intestine
Correct Answer: A
Rationale: The liver produces bile for fat digestion.
10. Which test measures long-term blood glucose levels?
A. HbA1c
, B. Random glucose
C. Creatinine
D. ALT
Correct Answer: A
Rationale: HbA1c reflects average glucose over 2–3 months.
11. Which blood component is responsible for clotting?
A. Platelets
B. RBCs
C. WBCs
D. Plasma
Correct Answer: A
Rationale: Platelets initiate blood clot formation.
12. Which organ regulates fluid and electrolyte balance?
A. Kidney
B. Liver
C. Heart
D. Lung
Correct Answer: A
Rationale: The kidneys regulate fluid and electrolyte levels.
13. Which white blood cell fights viral infections?
A. Lymphocytes
B. Neutrophils
C. Eosinophils
D. Basophils
