MCQs

11212 questions found

Practice Questions

41. Which hormone, released by the adrenal cortex, promotes sodium reabsorption and potassium excretion in the kidneys?

A. ADH

B. Aldosterone ✓

C. Calcitonin

D. Parathyroid hormone

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

40. The loop of Henle plays a crucial role in:

A. Releasing hormones

B. Reabsorbing water and solutes from the filtrate ✓

C. Producing metabolic waste

D. Filtering large proteins

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

39. What is the process by which water and solutes are forced from the blood into the Bowman’s capsule?

A. Reabsorption

B. Secretion

C. Filtration ✓

D. Excretion

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

38. The functional unit of the kidney responsible for filtering blood and forming urine is the:

A. Glomerulus

B. Renal cortex

C. Nephron ✓

D. Renal pelvis

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

37. What is the rhythmic muscular contraction that propels food through the digestive tract?

A. Mastication

B. Deglutition

C. Peristalsis ✓

D. Segmentation

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

36. The absorption of water and formation of feces primarily occurs in the:

A. Small intestine

B. Large intestine ✓

C. Stomach

D. Esophagus

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

35. Which organ produces digestive enzymes for all three major macronutrients (carbohydrates, proteins, and fats)?

A. Stomach

B. Liver

C. Pancreas ✓

D. Gallbladder

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

34. Bile, produced by the liver, aids in the digestion of:

A. Carbohydrates

B. Proteins

C. Fats ✓

D. Nucleic acids

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

33. The enzyme responsible for breaking down carbohydrates in the mouth is:

A. Pepsin

B. Lipase

C. Amylase ✓

D. Trypsin

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

32. What is the muscular tube that transports food from the pharynx to the stomach?

A. Trachea

B. Esophagus ✓

C. Larynx

D. Bronchus

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

31. The primary site of nutrient absorption in the digestive system is the:

A. Stomach

B. Large intestine

C. Small intestine ✓

D. Esophagus

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

30. Which respiratory volume represents the maximum amount of air that can be exhaled after a maximal inhalation?

A. Tidal volume

B. Inspiratory reserve volume

C. Expiratory reserve volume

D. Vital capacity ✓

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

29. The process of moving air into and out of the lungs is called:

A. Gas exchange

B. Cellular respiration

C. Ventilation ✓

D. Perfusion

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

28. What is the primary muscle of respiration?

A. Intercostal muscles

B. Diaphragm ✓

C. Abdominal muscles

D. Sternocleidomastoid

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

27. The voice box is also known as the:

A. Pharynx

B. Larynx ✓

C. Trachea

D. Bronchus

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

26. The exchange of gases (oxygen and carbon dioxide) in the lungs occurs across the:

A. Bronchi

B. Trachea

C. Alveolar-capillary membrane ✓

D. Pleura

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

25. Where do T lymphocytes mature?

A. Bone marrow

B. Spleen

C. Thymus gland ✓

D. Lymph nodes

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

24. What are the first line of defense against pathogens, including skin and mucous membranes?

A. Specific immunity

B. Innate immunity ✓

C. Adaptive immunity

D. Acquired immunity

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

23. The lymphatic system functions to:

A. Transport oxygen

B. Filter blood and produce hormones

C. Return interstitial fluid to the bloodstream ✓

D. Digest fats

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

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MCQs

Practice Questions

41. Which hormone, released by the adrenal cortex, promotes sodium reabsorption and potassium excretion in the kidneys?

40. The loop of Henle plays a crucial role in:

39. What is the process by which water and solutes are forced from the blood into the Bowman’s capsule?

38. The functional unit of the kidney responsible for filtering blood and forming urine is the:

37. What is the rhythmic muscular contraction that propels food through the digestive tract?

36. The absorption of water and formation of feces primarily occurs in the:

35. Which organ produces digestive enzymes for all three major macronutrients (carbohydrates, proteins, and fats)?

34. Bile, produced by the liver, aids in the digestion of:

33. The enzyme responsible for breaking down carbohydrates in the mouth is:

32. What is the muscular tube that transports food from the pharynx to the stomach?

31. The primary site of nutrient absorption in the digestive system is the:

30. Which respiratory volume represents the maximum amount of air that can be exhaled after a maximal inhalation?

29. The process of moving air into and out of the lungs is called:

28. What is the primary muscle of respiration?

27. The voice box is also known as the:

26. The exchange of gases (oxygen and carbon dioxide) in the lungs occurs across the:

25. Where do T lymphocytes mature?

24. What are the first line of defense against pathogens, including skin and mucous membranes?

23. The lymphatic system functions to:

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