Answer Options:
Sebaceous
Serous fluid
Pinna
Cerumen
Answer: Cerumen
Question: Mixed cranial nerves containing both motor and sensory fibers include all EXCEPT which of the following?
Answer Options:
Oculomotor
Olfactory
Facial
Trigeminal
Answer: Olfactory
Question: Which of the following does NOT serve “the gag reflex”?
Answer Options:
More than one of the above
Accessory
Vagus
Glossopharyngeal
Answer: Accessory
Question: A balance is used to measure the mass of a substance.
Answer Options:
Grain
Liter
Kilogram
Degrees Celsius
Answer: Kilogram
Question: Which cranial nerve is primarily affected when a dentist injects Novocaine into the gums to numb the teeth?
Answer Options:
Trigeminal
Facial
Glossopharyngeal
Hypoglossal
Answer: Trigeminal
Question: Photoreceptors are located in which layer of the eye?
Answer Options:
Lens
Cornea
Sclera
Retina
Answer: Retina
Question: Which cranial nerve is primarily affected when a dentist injects Novocaine into the gums to numb the teeth?
Answer Options:
Trigeminal
Hypoglossal
Glossopharyngeal
Facial
Answer: Trigeminal
Question: The extrinsic eye muscle motor units contain only 8 to 12 muscle cells and in some cases as few as 2 or 3 muscle cells.
Answer Options:
True
False
Answer: True
Question: Sound pressure waves deflect the tympanic membrane, which causes movement of the ________ in the middle ear.
Answer Options:
stereocilia
hair cells
ossicles
pinna
Answer: ossicles
Question: The glossopharyngeal nerve is the only cranial nerve that contains sensory fibers.
Answer Options:
True
False
Answer: False
Question: As sound levels increase in the spiral organ (of Corti), ________.
Answer Options:
inner hair cells bend the cilia away from the kinocilium
outer hair cells stiffen the basilar membrane
inner hair cells stiffen the basilar membrane
outer hair cells bend the cilia away from the kinocilium
Answer: outer hair cells stiffen the basilar membrane
Question: Cranial nerve XI which serves the sternocleidomastoid and trapezius is called:
Answer Options:
Vagus
Hypoglossal
Answer: Accessory
Question: Of the following structures, which is served by the greatest number of cranial nerves?
Answer Options:
Eye
Nose
Ear
Tongue
Answer: Eye