BIOS 256 Anatomy and Physiology IV Exam Questions and Answers (PDF) | 2026 | Chamberlain Study Guide

BIOS 256 Anatomy and
Physiology IV
QUESTIONS & ANSWERS




1. Ẉhich cranial nerve is responsible for smell?

A. Optic nerve
B. Olfactory nerve
C. Vagus nerve
D. Facial nerve
Correct Ansẉer: B
Rationale: The olfactory nerve (CN I) carries sensory information
for smell.

2. Ẉhich cranial nerve controls vision?

,A. Olfactory
B. Optic
C. Oculomotor
D. Trochlear
Correct Ansẉer: B
Rationale: The optic nerve (CN II) transmits visual signals.

3. Ẉhich cranial nerve controls most eye movements?

A. Optic
B. Oculomotor
C. Trigeminal
D. Abducens
Correct Ansẉer: B
Rationale: Oculomotor nerve (CN III) controls most extraocular
muscles.

4. Ẉhich cranial nerve controls facial sensation?

A. Facial
B. Trigeminal
C. Vagus
D. Glossopharyngeal
Correct Ansẉer: B
Rationale: Trigeminal nerve (CN V) provides facial sensation.

5. Ẉhich cranial nerve controls facial expression?

,A. Trigeminal
B. Facial
C. Vagus
D. Hypoglossal
Correct Ansẉer: B
Rationale: Facial nerve (CN VII) controls facial muscles.

6. Ẉhich cranial nerve controls hearing and balance?

A. Vestibulocochlear
B. Glossopharyngeal
C. Vagus
D. Accessory
Correct Ansẉer: A
Rationale: CN VIII transmits auditory and equilibrium signals.

7. Ẉhich cranial nerve controls tongue movement?

A. Hypoglossal
B. Vagus
C. Facial
D. Trigeminal
Correct Ansẉer: A
Rationale: Hypoglossal nerve (CN XII) controls tongue muscles.

8. Ẉhich cranial nerve regulates heart rate and digestion?

, A. Vagus
B. Facial
C. Optic
D. Abducens
Correct Ansẉer: A
Rationale: Vagus nerve (CN X) controls parasympathetic functions.

9. Ẉhich lobe of brain controls vision?

A. Frontal
B. Parietal
C. Temporal
D. Occipital
Correct Ansẉer: D
Rationale: Occipital lobe processes visual information.

10. Ẉhich lobe controls hearing?

A. Frontal
B. Temporal
C. Parietal
D. Occipital
Correct Ansẉer: B
Rationale: Temporal lobe processes auditory input.

11. Ẉhich lobe controls voluntary movement?