Feedback True or False Quiz

Please answer all questions. The numbers at the end of each question refer to the textbook page where the question topic is discussed.

1		Sensory receptors within the sensory organs, neurons, nerves, ganglia, and plexuses are all part of the peripheral nervous system (PNS). (401)
			A)	True
			B)	False
2		Sensory nerves consist of nerve fibers that conduct impulses toward the central nervous system (CNS). (403)
			A)	True
			B)	False
3		Motor nerves consist of nerve fibers that conduct impulses toward the CNS. (403)
			A)	True
			B)	False
4		All of the sensory fibers of one optic nerve cross to the other side at the optic chiasma. (403)
			A)	True
			B)	False
5		The terminal location of the visual tract is within the visual cortex of the occipital lobes. (403)
			A)	True
			B)	False
6		A persistent constriction of the pupil of the eye may be indicative of trauma to the oculomotor nerve. (404)
			A)	True
			B)	False
7		The muscles of mastication are innervated with motor fibers by the maxillary nerve of the trigeminal ganglion. (404)
			A)	True
			B)	False
8		Lateral eye movement is caused by the contraction of the lateral rectus ocular muscle as it is being stimulated by impulses through the oculomotor nerve. (404)
			A)	True
			B)	False
9		All of the muscles of facial expression and the muscles of mastication are innervated by the facial nerves. (404)
			A)	True
			B)	False
10		The vestibulocochlear nerve is purely sensory and responds to auditory sensations through the cochlear nerve and sensations of equilibrium through the vestibular nerve. (409)
			A)	True
			B)	False
11		Hunger pangs, gastrointestinal distension, intestinal discomfort, and sensations of laryngeal movements are sensations that must pass through the vague nerves to be perceived. (412)
			A)	True
			B)	False
12		The vagus nerve is the only cranial nerve that innervates structures in body regions other than the head. (412)
			A)	True
			B)	False
13		There are 31 pairs of spinal nerves, all of which are composed of both motor and sensory fibers. (413)
			A)	True
			B)	False
14		Although there are seven cervical vertebrae, there are eight cervical spinal nerves. (413)
			A)	True
			B)	False
15		An anterior ramus of a spinal nerve innervates muscles and skin on the lateral and anterior side of the trunk. (414)
			A)	True
			B)	False
16		The brachial plexus is so named because it is formed in the superior portion of the brachial region, lateral to the axilla. (416)
			A)	True
			B)	False
17		Visceral reflexes never involve skeletal muscles. (427)
			A)	True
			B)	False
18		A root is defined as a group of cell bodies. (414)
			A)	True
			B)	False
19		The sciatic nerve is the largest nerve arising from the sacral plexus, however it is not the largest nerve in the body. (421)
			A)	True
			B)	False
20		A visceral reflex causes smooth or cardiac muscle to contract or glands to secrete. (427)
			A)	True
			B)	False