Which division functions to increase alertness and direct bodily responses in stressful situations?
A. Parasympathetic
B. Sympathetic
Answer: B
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Which of the following factors does not directly affect breathing rate?
A) Partial pressure of oxygen in body fluids. B) Degree of lung tissue stretch C) pH D) Partial pressure of carbon dioxide in body fluids.
The "iodine pump" refers to the
a. mechanism whereby target cells extract iodine-containing thyroid hormone from the blood. b. active transport mechanism that concentrates iodine in the thyroid. c. mechanism whereby T3 and T4 are released from thyroglobulin and pumped into the circulation. d. protein binding process whereby T3 and T4 are pumped throughout the body bound to plasma proteins. e. mechanism whereby ingested iodine is absorbed by the small intestine.
Which of the following is one of the primary functions of muscle tissue?
A) regeneration of mass B) heat production C) growth D) the ability to last forever
The shaft of a long bone is known as the __________.
A. diaphysis B. epiphysis