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Question: 32. Three cranial nerves are purely se...
32. Three cranial nerves are purely sensory and have cell bodies in ganglia outside the brain
A) True
B) False
33. Visual pathway includes the optic nerves, optic chiasm, and optic tracts
A) True
B) False
34. Cranial Nerve XII, the Hypoglossal nerve carries motor signals to tongue muscles for speech and swallowing
A) True
B) False
35. Sympathetic division regulates short term responses while Parasympathetic division regulates long term processes
A) True
B) False
36. Cranial reflexes are integrated in the brainstem
A) True
B) False
37. The adrenal medulla is a modified sympathetic ganglion that releases epinephrine as a hormone
A) True
B) False
38. The effects of the parasympathetic division are summarized by the phrase rest-and-digest
A) True
B) False
39. The sympathetic division has “Three increases” include increased heart rate, diameter of airways, and diameter of pupils
A) True
B) False
40. Tastants – chemicals that stimulate gustatory receptor cells
A) True
B) False
Explanation / Answer
33. Visual pathway includes the optic nerves, optic chiasm, and optic tracts
True
The optic nerves from each eye unite to form the optic chiasm in the middle cranial fossa. At the chiasm the fibres from the medial half of each retina cross over, forms the optic tracts.
34. Cranial Nerve XII, the Hypoglossal nerve carries motor signals to tongue muscles for speech and swallowing
False
The hypoglossal nerve does not support speech signals for the tongue.
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