Which is a possible cause of sensorineural deafness?
A) Damage to hair cells
B) Damage to auditory ossicles
C) Damage to or rupture of tympanic membrane
D) Ossification of the auditory ossicles
Answer: A
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Which facial bone is not one of a pair?
A. maxillary B. zygoma C. lacrimal D. palatine E. None of the above; they are all pairs.
Which layer of the epidermis consists of 25-30 layers of dead, flattened keratinocytes?
A) stratum corneum. B) stratum lucidum. C) stratum granulosum. D) stratum spinosum. E) stratum basale.
Inhibiting phosphodiesterase would cause the photoreceptor to undergo ________.
A. EPSPs B. repolarization C. hyperpolarization D. depolarization
Postganglionic parasympathetic fibers could be located in:
a. a salivary gland b. a ciliary ganglia c. the wall of the heart d. all of the above