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		Impulses reaching the cerebral cortex travel through nerve fibers composing efferent, or ascending, tracts. (488)
			A)	True
			B)	False
2		The sensory receptors in the eye respond only to those light waves in the visible spectrum. (511)
			A)	TRUE
			B)	FALSE
3		Although there are specific pain receptors, nearly all types of receptors may transmit impulses that are perceived as pain. (490)
			A)	True
			B)	False
4		Baroreceptors are specialized exteroceptors that respond to changes in blood pressure. (490)
			A)	True
			B)	False
5		Lamellated corpuscles respond when a person touches an object to determine its texture. (491)
			A)	True
			B)	False
6		Impulses for pain are conducted through the thalamus along the lateral spinothalamic tract of the spinal cord to the somatesthetic area of the cerebral cortex. (491)
			A)	True
			B)	False
7		The site of referred pain for liver or gallbladder problems is the lower lumbar region of the trunk. (492)
			A)	True
			B)	False
8		All sensory information passes through the thalamus before being carried to the cerebrum, where perception occurs. (493)
			A)	True
			B)	False
9		The receptors of olfaction require dissolved substances for stimuli. (495)
			A)	True
			B)	False
10		Olfactory hairs are actually specialized dendritic endings that respond to chemical stimuli. (495)
			A)	True
			B)	False
11		The short, thickened filiform papillae are located on the posterior one-third of the tongue. (497)
			A)	True
			B)	False
12		All acids taste sour because of the presence of hydroxide ions. (497)
			A)	True
			B)	False
13		To test the functionality of the facial (seventh cranial) nerves, a sweet substance would be placed on the tip of the tongue. (499)
			A)	True
			B)	False
14		Lacrimal fluid, or tears, is secreted from the lacrimal glands located at the medial corner of the eye. (502)
			A)	True
			B)	False
15		All of the movements of the eyeball result from the selective contraction of one or more of the six extrinsic ocular muscles. (502)
			A)	True
			B)	False
16		The suspensory ligament of the eye is composed of zonular fibers attached to the ciliary body. (505)
			A)	True
			B)	False
17		When viewing a close object, the ciliary muscles contract and flatten the lens. (505)
			A)	True
			B)	False
18		Involuntary contraction of the smooth muscles within the iris aids in the focusing of light waves onto the back of the retina. (505)
			A)	TRUE
			B)	FALSE
19		Aqueous humor, which fills the anterior and posterior chambers of the eye, is secreted from the ciliary body. (508)
			A)	True
			B)	False
20		The retina of the eye is nourished by the vitreous humor, which is secreted from specialized cells within the choroid layer. (508)
			A)	True
			B)	False
21		The cornea and the lens are the only refractory structures of the eye. (510)
			A)	True
			B)	False
22		All of the visual impulses pass through the superior colliculus along the neural pathway toward the occipital lobe of the cerebrum. (513)
			A)	True
			B)	False
23		All three germ layers are involved in the formation of the eye. (515)
			A)	True
			B)	False
24		The tympanic membrane amplifies the sound waves as they pass from the outer ear to the middle ear. (519)
			A)	True
			B)	False
25		Contractions of the tensor tympani and the stapedius muscles aid the auditory ossicles in amplification of sound. (519)
			A)	True
			B)	False
26		The vestibular organs include the utricle and the saccule. (520)
			A)	True
			B)	False
27		Incoming sound waves pass, in order, through gaseous, solid, and fluid media. (523)
			A)	True
			B)	False
28		Sounds of low pitch (50 Hz) cause movements only at the apex of the basilar membrane. (523)
			A)	True
			B)	False