In general, parasympathetic inputs to the gut are _________, while sympathetic inputs are _________.
A. stimulatory; inhibitory
B. rapid; long lasting
C. inhibitory; stimulatory
D. hormonal; neural
Answer: A. stimulatory; inhibitory
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The acrosome of the sperm cell:
a. contains enzymes that help break down the covering of the ovum b. contains mitochondria c. produces ATP for sperm cell mobility d. is a whip-like structure that provides movement for the sperm
The Haldane effect means that
A. as hemoglobin releases O2, the ability to pick up CO2 decreases. B. as hemoglobin releases O2, the ability to pick up CO2 increases. C. as hemoglobin releases bicarbonate ions, the ability to pick up chloride ions increases. D. as hemoglobin releases CO2, the ability to pick up O2 increases.
A plank position is part of a yoga/Pilates workout. The person supports the body on the
floor in a prone position with the arms and feet supporting the body. It is a little like the "up" position of a push-up, held for 30 to 60 seconds. Contraction of the abdominal muscles in a plank is most likely A) isometric. B) isotonic. C) eccentric. D) concentric.
Which of the following does NOT directly affect the alveolar partial pressure of oxygen?
A. PaCO2 B. atmospheric pressure C. tidal volume D. inspired oxygen fraction E. oxygen consumption and carbon dioxide production (R)