Question

35. All of the following are sympathetic nervous system effects EXCEPT ​a. pupillary dilation ​b. vasodilation...

35. All of the following are sympathetic nervous system effects EXCEPT
​a. pupillary dilation
​b. vasodilation of skeletal muscle blood vessels
​c. bronchodilation
​d. increased gastrointestinal motility
​e. reduced urine output
36. Which statement is NOT true about chordea tendineae?
​a. they are secured to papillary muscles
​b. they prevent AV valves from everting
​c. they prevent aortic valve from everting
​d. they are strong tendinous cords
​e. they are found only in ventricles
37. The pituitary hormone that affects the greatest number of target cells is
​a. adnerocorticotropic hormone
​b. antidiuretic hormone
​c. growth hormone
​d. luiteinizing hormone
​e. follicular stimulating hormone
38. The component of a spinal nerve that contains the motor neurons is the
​a. dorsal root ganglion
​b. funiculus
​c. ventral root
​d. dorsal root
​e. the ventral root carries their axons but their perikarya are in the CNS
39. Functions of the corpora quadrigemina include
​a. relay information in visual and auditory pathways
​b. help coordinate fine motor movement
​c. help bodily, life_maintaining functions
​d. help in maintaining day/night and waking/sleeping cycles
​e. coordinate and integrate information from both sides of the brain
40. Information travels from the hypothalamus to the anterior pituitary gland via the
​a. corticobulbar tract
​b. hypothalamo_hypophyseal tract
​c. hypothalamo_hypophyseal portal system
​d. infindibulum
​e. none of the above - there is not a direct nervous pathway
41. Terminal branches that emerge from the brachial plexus include the
​a. radial nerve
​b. axillary nerve
​c. ulnar nerve
​d. a and b
​e. all of the above
42. The structure between the right and left heart ventricles is a/the
​a. valve
​b. atrium
​c. interventricular septum
​d. trabeculae carneae
​e. chordae tendineae
43. This structure is continuous with the inner eyelid and covers the anterior surface of the eyeball
​a. tarsal plate
​b. supercilia
​c. lacrimal apparatus
​d. lacrimal caruncle
​e. conjunctiva
44. Cell bodies of motor neurons of the autonomic nervous system are found primarily in the
​a. dorsal horns
​b. lateral horns
​c. ventral horns
​d. denticulate ligaments
​e. none of the above
45. Information about the loudness of sound is conveyed to the brain from the
​a. cochlea
​b. semicircular canals & vestibules
​c. Eustachian tube
​d. tensor tympani & stapedius
e. tympanic membrane

Homework Answers

Answer #1

35. The correct answer is "d" i,e, increased gastrointestinal motility.

Sympathetic stimulation causes inhibition of gastrointestinal secretion and motor activity, and contraction of gastrointestinal sphincters and blood vessels. Hence, sympathetic nervous sytem causes decreased gastrointestinal motility.

Rest all are the effects of sympathetic nervous sytem.

36. The correct answer is "c" they prevent aortic valve from everting.

Aortic valves do not have chordae tendinae. Rest all options are true about the chordae tendinae.

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