7. Each of the following statements concerning the outer hair cells is true, EXCEPT:
A
– are columnar in shape; B – are chemoreceptors; C – are arranged in three rows; D –
their stereocilia are arranged in V-formation; E
– form point-like contacts with afferent
fibres.
8. Each of the following statements concerning the inner hair cells is true, EXCEPT:
A
– are arranged in a single row; B – are bulbous in shape; C – their stereocilia are
arranged in a straight line; D
– are chemoreceptors; E – form cup-like contacts with
afferent fibres.
9. Each of the following statements concerning the vestibular macula is true,
EXCEPT:
A
– contains supporting cells; B – contains two types of neuroepithelial cells; C – is
covered with the otolithic membrane containing otoliths; D
– is a sensor of gravity; E –
detects angular acceleration.
10. Each of the following statements concerning the vestibular cristae is true,
EXCEPT:
A
– are three in number; B – their covering contains otoliths; C – are oriented
perpendicular to each other; D
– are covered with the cupula; E – are the sensors of
angular acceleration.
11. Each of the following statements concerning the vestibular neuroepithelial cells
is true, EXCEPT:
A
– are bulbar and columnar in shape; B – rest on supporting cells; C – possess numerous
stereocilia; D
– lack the kinocilium; E – are mechanoreceptors.
12. Each of the following statements concerning the neuroepithelial cells of the
taste buds is true, EXCEPT:
A
– are not capable of renewal; B – are arranged around the taste pit; C – possess
microvilli on their apical surface; D
– are chemoreceptors; E – synapse with afferent nerve
fibres.
Directions
: one or more of the given statements or completions is/are correct. Choose the
answer: A
– if only 1,2, and 3 are correct; B – if only 1 and 3 are correct; C – if only 2 and
4 are correct; D
– if only 4 is correct; E – if all are correct.
13. The following statements regarding the modiolus are true:
(1) is osseous (2) contains the cochlear nerve (3) has a spiral lamina (4) is the cochlear
axis
14. The following cochlear passages contain perilymph:
(1) scala media (2) scala tympani (3) cochlear duct (4) scala vestibuli
15. The following cochlear passages contain endolymph:
(1) scala media (2) scala tympani (3) tunnel of Corti (4) scala vestibuli
16. The following statements regarding the spiral lamina are true:
(1) is a lateral projection of the modiolus (2) contains the spiral ganglion (3) its thickened
periosteum forms the spiral limbus (4) has the upper and the lower lips
17. The spiral organ of Corti consists of the following cells:
(1) phalangeal cells (2) pillar cells (3) hair cells (4) neurons
18. The following statements regarding the phalangeal cells of the spiral organ are
true:
(1) rest on the basement membrane (2) possess phalangeal processes (3) are supporting
cells (4) have cup-like depressions for hair cells
19. The tunnel of Corti contains:
(1) perilymph (2) endolymph (3) keratin-like fibrils (4) dendrites of sensory neurons
20. The following statements regarding the tectorial membrane are true:
(1) consists of glycoprotein-rich material (2) projects away from the spiral limbus (3) covers
the hair cell tips (4) contains afferent nervous fibres