MCQ Questions on Human Physiology
1. Name the site where digestion of proteins occurs.
(a) Pancreas
(b) Rectum
(c) Liver
(d) IIeum
Answer
Answer: (d) IIeum
2. Stomach epithelial cells in the body secrete ________
(a) Hydrochloric acid
(b) Oxytocin
(c) Adrenaline
(d) Testosterone
Answer
Answer: (a) Hydrochloric acid
3. Night blindness and xerophthalmia are generally conditions associated with the deficiency of which vitamin?
(a) Vitamin B
(b) Vitamin K
(c) Vitamin B2
(d) Vitamin A
Answer
Answer: (d) Vitamin A
4. ___________ are functional units of food absorption.
(a) Red blood cells
(b) Small intestine
(c) Villi
(d) Aggregated lymphoid nodules
Answer
Answer: (c) Villi
5. Where are the parotid glands located?
(a) Below the stomach
(b) Behind and above the pancreas
(c) Below and in front of the ear canal
(d) Underneath the armpits
Answer
Answer: (c) Below and in front of the ear canal
6. The maximum amount of carbon dioxide in the human body is transported as:
(a) Bicarbonate
(b) Carbide
(c) Amylase
(d) None of the above
Answer
Answer: (a) Bicarbonate
7. Which of the following organisms have book lungs?
(a) Spider
(b) Ant
(c) Penguin
(d) Sealion
Answer
Answer: (a) Spider
8. Altitude sickness is typically caused due to:
(a) The partial pressure of oxygen
(b) Increased levels of CO2 in blood
(c) Cold temperatures
(d) None of the above
Answer
Answer: (a) The partial pressure of oxygen
9. Hypopnea is a condition where:
(a) The airway becomes partially obstructed
(b) The blood does not clot properly
(c) The lungs cannot eliminate the excess carbon dioxide from the body
(d) The blood oxygen levels are abnormally low
Answer
Answer: (a) The airway becomes partially obstructed
10. Emphysema is characterized by:
(a) Loss of peripheral vision
(b) Shortness of breath
(c) Chronic Diarrhea
(d) Slow clotting from wounds
Answer
Answer: (b) Shortness of breath
11. Humans have _____ lobes in the left lung.
(a) 3
(b) 2
(c) 4
(d) 1
Answer
Answer: (b) 2
12. Jellyfish breathe through:
(a) Book lungs
(b) Gills
(c) Diffusion
(d) None of the above
Answer
Answer: (c) Diffusion
13. Which of the following statements are false?
(a) Pituitary Gland is found at the base of the brain
(b) Adrenal glands are found on top of the kidneys
(c) Lymph nodes are found only near the neck and armpits
(d) Thyroid glands are ductless glands
Answer
Answer: (c) Lymph nodes are found only near the neck and armpits
14. The primary function of the cerebrospinal fluid is to:
(a) Protect the brain
(b) Provide nutrients to the surrounding tissues
(c) Remove waste products
(d) All of the above
Answer
Answer: (d) All of the above
15. The lungs are protected by:
(a) Sternum
(b) Rib cage
(c) Backbone
(d) All of the above
Answer
Answer: (d) All of the above