Nonshivering thermogenesis
a. is stimulated by epinephrine and thyroid hormone.
b. refers to the general increase in muscle tone in response to abrupt exposure to cold.
c. enhances the insulative capacity of the skin by promoting increased deposition of brown fat under the skin.
d. refers to the elevation of body temperature in response to pyrogen release.
e. none of these answers.
A
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Bones continue to increase in length even after an animal reaches maturity
Indicate whether the statement is true or false
The coronary arteries arise from the
a. aorta. b. inferior vena cava. c. superior vena cava. d. right atrium. e. pulmonary trunk.
Answer the following questions true (T) or false (F)
1. All cranial nerves are considered mixed nerves. 2. The first pair of cranial nerves is the optic nerve (I). 3. The trigeminal nerve (V) has three nerve branches: optic nerve, maxillary nerve, and oculomotor nerve.
The aortic baroreceptor senses stretching of the aorta. How will the nervous system respond?
A. Parasympathetic signals will be sent to decrease heart rate. B. Parasympathetic signals will be sent to increase heart rate. C. Sympathetic signals will be sent to increase heart rate. D. Sympathetic signals will be sent to decrease heart rate.