Selected MCQ

Current Question
Which hormone regulates blood sugar?
  • A. Thyroxine
  • B. Insulin
  • C. Adrenaline
  • D. Melatonin
Correct Answer: B
Explanation:
Insulin lowers blood glucose levels.
Related Question 1
Which vitamin aids blood clotting?
  • A. A
  • B. B
  • C. K
  • D. D
Correct Answer: C
Explanation:
Vitamin K helps clotting.
Related Question 2
Which hormone controls metabolism rate?
  • A. Insulin
  • B. Thyroxine
  • C. Adrenaline
  • D. Estrogen
Correct Answer: B
Explanation:
Thyroxine regulates metabolic rate.
Related Question 3
Which blood protein transports iron?
  • A. Hemoglobin
  • B. Albumin
  • C. Transferrin
  • D. Fibrin
Correct Answer: C
Explanation:
Transferrin carries iron.
Related Question 4
Which blood cells carry oxygen?
  • A. WBC
  • B. RBC
  • C. Platelets
  • D. Plasma
Correct Answer: B
Explanation:
Red blood cells transport oxygen.
Related Question 5
Which blood vessel carries oxygenated blood?
  • A. Vein
  • B. Artery
  • C. Capillary
  • D. Venule
Correct Answer: B
Explanation:
Arteries carry oxygen-rich blood (except pulmonary).