Each spinal nerve divides into a dorsal and a ventral ________
A) ramus
B) tract
C) ganglion
D) plexus
A
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Receptors are parts of the nervous system that allow it to
A. initiate responses to information. B. process information. C. collect information. D. conduct impulses to muscles.
Which of the following enzymes functions at the lowest pH?
A. Pancreatic amylase B. Dipeptidase C. Salivary amylase D. Pepsin E. Trypsin
Shannon was the pitcher on her softball team. During one game, a batter hit the ball and it ricocheted off the left side of Shannon's head, knocking her temporarily unconscious. She eventually regained consciousness, but experienced severe pain near her left temple. Within a few hours, Shannon had trouble moving her right upper limb and became lethargic. Her team captain brought her to the emergency room, where the physician diagnosed her with an epidural hematoma. Why did Shannon experience the problems with her right upper limb? The hematoma likely was impinging on what brain structure?
a. left precentral gyrus b. left postcentral gyrus c. left cerebral nuclei d. left cerebellum
Which of the following occurs when a hormone binds to a nuclear receptor?
A. activation of cyclic AMP B. activation of mRNA synthesis C. increased lipid synthesis by ribosomes D. opens membrane channels E. alters membrane permeability