Identify the common fibular nerve in the following figure.

1) D
Explanation:
A) The sciatic nerve is marked A.
B) The femoral nerve is marked B.
C) The tibial nerve is marked C.

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2) A
Explanation:
B) The integumentary system helps regulate body temperature.
C) The muscular system generates heat that maintains body temperature.
D) The cardiovascular system distributes heat and assists in control of body temperature.

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3) A
Explanation:
B) Note the ulnar nerve, labeled A, is the most posterior nerve of the brachial plexus. Moving anteriorly from the ulnar nerve is the median nerve (B), the radial nerve (C), and the musculocutaneous nerve (D).

C) Note the ulnar nerve, labeled A, is the most posterior nerve of the brachial plexus. Moving anteriorly from the ulnar nerve is the median nerve (B), the radial nerve (C), and the musculocutaneous nerve (D).

D) Note the ulnar nerve, labeled A, is the most posterior nerve of the brachial plexus. Moving anteriorly from the ulnar nerve is the median nerve (B), the radial nerve (C), and the musculocutaneous nerve (D).

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4) A
Explanation:
B) The sense of smell does not require alteration and adjustment of the stimulus.
C) The sense of taste does not require alteration and adjustment of the stimulus.
D) The sense of hearing does not require alteration and adjustment of the stimulus.

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5) D
Explanation:
A) The optic chiasm cannot be seen with an ophthalmoscope.
B) An ophthalmoscope is not used to observe the fibrous tunic.
C) An ophthalmoscope is not used to observe the vascular tunic.

Exercise 30: Physiology of the Eye

Exercise 30: Pre-Lab Questions

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6) B
Explanation:
A) The thymus gland is part of the lymphatic system and the endocrine system.
C) The adrenal glands are found on the kidneys and are part of the endocrine system.
D) The gonads are part of the reproductive system and the endocrine system.

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7) C
Explanation:
A) The musculocutaneous nerve supplies the coracobrachial and biceps brachii muscles of the ventral forelimb and the skin of the forelimb.
B) The musculocutaneous nerve supplies the coracobrachial and biceps brachii muscles of the ventral forelimb and the skin of the forelimb.
D) The ventral thoracic nerve supplies the pectoralis muscle.

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8) B
Explanation:
A) The endocrine system directs long-term changes in the activities of other organ systems.
C) The cardiovascular system distributes blood cells, water and dissolved materials including nutrients, waste products, oxygen, and carbon dioxide.
D) The integumentary system protects against environmental hazards.

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9) A
Explanation:
B) The radial nerve supplies the triceps brachii muscle and other dorsal muscles of the forelimb.
C) The median nerve supplies the muscles of the ventral antebrachium of the forelimb.
D) The ulnar nerve supplies the muscles of the antebrachium.

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10) B
Explanation:
A) The choroid does not have an area of high cone density.
C) The optic disc is the area in which there aren't any rods and cones.
D) One of the listed responses is correct.

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