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Question
Contractile activity in both skeletal muscle and multiunit smooth muscle is ____.a. myogenic
b. phasic
c. tonic
d. clonic
e. neurogenic
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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What happens when the hydrogen ion concentration in the body fluids is too low?
a. Oxygen absorption increases.
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c. Hydrogen absorption decreases.
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a. potassium
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e. phosphorus
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b. autoregulation and intrinsic sympathetic control
c. internal regulation and extrinsic parasympathetic control
d. autoregulation and extrinsic sympathetic control
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d. bronchioles
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b. pneumotaxic center
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