________ form myelin sheaths in the peripheral nervous system, whereas ________ form myelin sheaths in the central nervous system
A) Astrocytes; oligodendrocytes
B) Schwann cells; oligodendrocytes
C) Oligodendrocytes; Schwann cells
D) Astrocytes; ependymal cells
B
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You suspect your friend has damage to cranial nerve I when he is unable to
A) smell his food. B) smile. C) blink his eyes. D) nod his head. E) hear your voice.
Absence of sensation is referred to as:
A) dysesthesia B) neurothesia C) proprioceptesia D) anesthesia
A common respiratory condition occurring due to increased secretions and retained secretions in persons who are immobile is:
A) pneumonia B) emphysema C) fibrosis D) bronchospasm
A patient has been receiving immunosuppressive doses of glucocorticoids for 6 months. At the end of this therapy, the dose of the hormone must be slowly tapered down over a period of weeks. This is due to:
A. adrenal atrophy B. pituitary hypertrophy C. upregulation of glucocorticoid receptors D. elevated ACTH levels E. increased circulating CBG levels