Each of the following factors will increase cardiac output except
A) increased venous return.
B) increased parasympathetic stimulation.
C) increased sympathetic stimulation.
D) increased heart rate.
E) increased venous return and increased parasympathetic stimulation.
Answer: B
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Atrial natriuretic peptide stimulates
A. vasoconstriction, increased urine output, and therefore increased blood pressure. B. vasodilation, increased urine output, and therefore decreased blood pressure. C. vasoconstriction, decreased urine output, and therefore decreased blood pressure. D. vasodilation, decreased urine output, and therefore increased blood pressure. E. vasoconstriction, sodium retention, and therefore increased blood pressure.
The acrosome cap contains
A. testosterone. B. nutrients to sustain the sperm. C. enzymes to allow penetration into the oocyte. D. mitochondria to provide energy for movement. E. buffers to neutralize the acidity of the female reproductive tract.
The entire process of movement of the sperm and sex gland secretions out of the male reproductive tract is called ____________________; emptying of semen into the urethra is known as ____________________; forceful ejection of sperm from the penis is called ____________________
Fill in the blank(s) with correct word
The ventilatory response to CO2 is enhanced by:
A. hypoxia B. alkalosis C. sleep D. barbiturates