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Question
Explain the difference between vasoconstriction and vasodilation.Answer
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Describe how hydrogen ion secretion impacts acid-base balance.
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Vasopressin is produced by several specific neuronal cell bodies in the __________ and then stored in the posterior __________ gland.
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The plasma clearance rate of a substance filtered, but not reabsorbed or secreted, always equals the __________.
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The micturition reflex is initiated when stretch receptors within the urethra are stimulated.
a. True
b. False
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a. True
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The plasma clearance rate for a secreted substance is always less than the glomerular filtration rate.
a. True
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Hydrogen ions are only secreted by the proximal tubules.
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Plasma protein concentration can become extremely high in diabetes mellitus, a digestive disorder involving inadequate insulin action.
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a. True
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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 does micturition mean?
a. The process of bladder emptying or urination
b. The process of filtration through the glomerulus
c. The acidification of urine
d. The final filtration of urine
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What happens when the hydrogen ion concentration in the body fluids is too low?
a. Oxygen absorption increases.
b. Hydrogen absorption increases.
c. Hydrogen absorption decreases.
d. Hydrogen secretion increases.
e. Hydrogen secretion decreases.
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The most prevalent ions secreted by the tubules are:
a. sodium and chloride
b. sodium and hydrogen
c. sodium and potassium
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a. potassium
b. chloride
c. sodium
d. glucose
e. phosphorus
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a. primary passive transport
b. secondary passive transport
c. primary active transport
d. secondary active transport
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a. internal regulation and intrinsic parasympathetic control
b. autoregulation and intrinsic sympathetic control
c. internal regulation and extrinsic parasympathetic control
d. autoregulation and extrinsic sympathetic control
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Beyond the larynx, the trachea divides into two main branches, the right and left bronchi.
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b. pneumotaxic center
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