The hormone ANP is released from the heart and causes the urinary system to
A. decrease urine volume and blood volume.
B. increase urine volume and decrease blood volume.
C. increase urine volume and blood volume.
D. decrease urine volume and increase blood volume.
Answer: B
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A. Sodium ion B. Water molecule C. Chloride ion D. Salt crystal E. Dissociation
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A) threshold B) systole C) diastole D) autorhythmicity E) a cardiac pacemaker
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What has to happen to the external urethral sphincter to allow urination?
A) it must be unconsciously stimulated to contract B) it must be unconsciously stimulated to relax C) it must be consciously stimulated to contract D) it must be consciously stimulated to relax