BSC 3096 ( Human Physiology ) Latest Midterms Review Q & S 2024.

BSC 3096




Human Physiology




LATEST MIDTERMS REVIEW
Q&S




©2024/2025

, Multiple Choice Questions


1. Which of the following ions is crucial in initiating the action
potential in neurons?
a) Calcium
b) Potassium
c) Sodium
d) Chloride
ANS: c) Sodium
Rationale: Sodium ions are critical in depolarizing the neuron
to initiate an action potential.


2. Which of these muscles is controlled involuntarily?
a) Skeletal muscle
b) Cardiac muscle
c) Smooth muscle
d) Both b and c
ANS: d) Both b and c
Rationale: Cardiac and smooth muscles are controlled by the
autonomic nervous system, thus are involuntary.

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, 3. The primary function of hemoglobin is:
a) Transporting carbon dioxide
b) Transporting oxygen
c) Clotting blood
d) Fighting infection
ANS: b) Transporting oxygen
Rationale: Hemoglobin binds to oxygen in the lungs and
releases it in tissues.


4. Which part of the brain regulates balance and posture?
a) Cerebrum
b) Cerebellum
c) Medulla oblongata
d) Hypothalamus
ANS: b) Cerebellum
Rationale: The cerebellum is responsible for coordinating
voluntary movements and maintaining balance.


5. What is the main component of the extracellular matrix in
connective tissue?

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