Here are the top 10 multiple-choice questions (MCQs) on insulin:
1. Which of the following is the primary function of insulin?
A) Increase blood glucose levels
B) Decrease blood glucose levels
C) Stimulate glucagon secretion
D) Inhibit protein synthesis
Correct Answer: B) Decrease blood glucose levels
2. Insulin is secreted by which type of pancreatic cells?
A) Alpha cells
B) Beta cells
C) Delta cells
D) Acinar cells
Correct Answer: B) Beta cells
3. Which of the following is a rapid-acting insulin?
A) Glargine
B) Lispro
C) NPH
D) Detemir
Correct Answer: B) Lispro
4. Which insulin preparation has the longest duration of action?
A) Regular insulin
B) NPH insulin
C) Insulin glargine
D) Insulin lispro
Correct Answer: C) Insulin glargine
5. What is the typical onset time for rapid-acting insulins?
A) 30-60 minutes
B) 1-2 hours
C) 5-15 minutes
D) 4-6 hours
Correct Answer: C) 5-15 minutes
6. In which of the following conditions is insulin therapy commonly used?
A) Type 1 diabetes mellitus
B) Type 2 diabetes mellitus
C) Gestational diabetes
D) All of the above
Correct Answer: D) All of the above
7. Which hormone works as a counter-regulatory mechanism to insulin?
A) Cortisol
B) Glucagon
C) Epinephrine
D) All of the above
Correct Answer: D) All of the above
8. What is the storage recommendation for insulin vials not in use?
A) Room temperature
B) Direct sunlight
C) Refrigerator at 2–8°C
D) Freezer at -20°C
Correct Answer: C) Refrigerator at 2–8°C
9. Which of the following is a common adverse effect of insulin therapy?
A) Hyperglycemia
B) Hypoglycemia
C) Ketoacidosis
D) Weight loss
Correct Answer: B) Hypoglycemia
10. Insulin resistance is most commonly associated with which condition?
A) Type 1 diabetes mellitus
B) Type 2 diabetes mellitus
C) Addison’s disease
D) Cushing’s syndrome
Correct Answer: B) Type 2 diabetes mellitus
topic ends multiple-choice questions (MCQs) on insulin