Chapter 23 Special Senses Flashcards
1
Q
Main relay station in the olfactory pathways A. Olfactory epithelium B. Olfactory nerve C. Olfactory bulb D. Olfactory tract E. Olfactory striae
A
C. Olfactory bulb (p. 306)
2
Q
Principal neurons of the olfactory bulb A. Receptor cells B. Sustentacular cells C. Mitral and tufted cells D. Granule cells E. Periglomerular short axon cells
A
C. Mitral and tufted cells (p. 306)
3
Q
This primary sensory cortex is unique in that afferent fibers from the receptors reach it directly without passing through a relay in the thalamus A. Vision B. Auditory C. Taste D. Somatic sensibility E. Olfaction
A
E. Olfaction (p. 307)
4
Q
The fovea centralis and ora serrata of the retina lack the following layers EXCEPT A. Layer of rods and cones B. Ganglion cell layer C. Inner plexiform layer D. Bipolar cell layer E. None of the above
A
A. Layer of rods and cones (p. 311)
5
Q
Area of greatest visual acuity A. Fovea B. Ora serrata C. Macula D. Optic disk
A
A. Fovea (p. 311)
6
Q
Which part of the vestibular apparatus is responsible for detecting linear acceleration?* A. Utricle and saccule B. Semicircular canals C. Labyrinthine complex D. Cochlea
A
A. Utricle and saccule (p. 319)
7
Q
Receptive area for hearing A. Crista ampullaris B. Macula C. Organ of Corti D. Utricle and saccule
A
C. Organ of Corti (p. 316)
8
Q
Which is true of rods and cones?*
A. Hyperpolarizing currents in photoreceptors are produced by turning on hyperpolarizing K ion conductance in the neuronal membrane.
B. Rhodopsin is the visual pigment present in rods.
C. The fovea contains only rods.
D. None of the above
A
B. Rhodopsin is the visual pigment present in rods. (p. 310)
9
Q
The vestibular receptor in the semicircular canal* A. Utricle B. Saccule C. Crista ampullaris D. Deiters' cells
A
C. Crista ampullaris (p. 320)
