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Question
What kind of smooth muscle contracts in bursts?a. phasic
b. tonic
c. clonic
d. cardiac
e. vascular
Answer
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The loop of Henle forms a sharp U-shaped or hairpin loop that surrounds the renal cortex.
a. True
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c. Hydrogen absorption decreases.
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b. autoregulation and intrinsic sympathetic control
c. internal regulation and extrinsic parasympathetic control
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b. pneumotaxic center
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