Question

In: Anatomy and Physiology

36. Which statement is NOT true about chordea tendineae? ​a. they are secured to papillary muscles...

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

Solutions

Expert Solution

36) C. they prevent the aortic valve from everting

Chordae tendineae, they are the tendinous strands in the heart. They have an important role in holding the AV valves in place when blood is pumped through the heart. They are present in ventricles. As they are not related to the aortic valve, the answer is C.

37) ​C. growth hormone

Pituitary Hormone directly affects the Growth hormone (GH), also known as the somatotropic hormone (STH). Hence, the Answer is C.

38) ​C. ventral root

39) ​A. relay information in visual and auditory pathways

corpora quadrigemina for mammalian midbrain is an important part. It links the forebrain and hindbrain. They act as a reflex center for both hearing and vision. is an important part of mammalian midbrain.

40) ​D. infindibulum

Communication happens when chemicals(hormones) are delivered to pituitary, which is produced by the hypothalamus via blood vessels in the infundibulum.

Sydney Mullin answered 1 year ago
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