Practice Questions

28. What is the primary muscle of respiration?

A. Intercostal muscles
B. Diaphragm
C. Abdominal muscles
D. Sternocleidomastoid
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
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
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
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
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
nmdcat.online Anatomy & Physiology -II
Jun 6, 2026

22. Which cells are responsible for destroying virus-infected cells and cancer cells?

A. B lymphocytes
B. Plasma cells
C. T lymphocytes (Cytotoxic T cells)
D. Macrophages
nmdcat.online Anatomy & Physiology -II
Jun 6, 2026

21. Which type of immunity involves the production of antibodies by B lymphocytes?

A. Innate immunity
B. Cellular immunity
C. Humoral immunity
D. Passive immunity
nmdcat.online Anatomy & Physiology -II
Jun 6, 2026

20. The outermost layer of a blood vessel (artery or vein) is called the:

A. Tunica intima
B. Tunica media
C. Tunica externa (adventitia)
D. Endothelium
nmdcat.online Anatomy & Physiology -II
Jun 6, 2026

19. Blood pressure is typically measured in which artery?

A. Carotid artery
B. Femoral artery
C. Brachial artery
D. Radial artery
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Jun 6, 2026
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