Glucocorticoids increase bone ________; high levels of serotonin lead to ________ bone density.
A. formation; low
B. loss; low
C. loss; high
D. formation; high
Answer: B
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Milk ejection is a neural reflex arc involving afferent input to the hypothalamus from receptors in the nipples and a neural efferent output to the myoepithelial cells in the ducts of the mammary glands.
Answer the following statement true (T) or false (F)
Interneurons receiving input from sensory neurons are located in the ________
A) dorsal root ganglion B) ventral (anterior) horn C) dorsal (posterior) horn D) lateral horn
What purpose does reflex testing serve?
A) Reflex testing provides information about resting muscle tone. B) Reflex testing provides information about muscle strength. C) Reflex testing provides information about sensory receptors. D) Reflex testing provides information about the memory of a subject. E) Reflex testing provides information about the nervous system's functional status.
Which statement describes how a lymph node is structurally different from a tonsil?
A) Lymph node has both red and white pulp. B) Tonsil lacks the afferent vessels. C) Tonsil lacks a capsule. D) Lymph node lacks a capsule.