Amines are
a. chains of specific amino acids of varying length
b. derived from the amino acid tyrosine
c. hormones secreted by the thyroid gland and adrenal medulla
d. all of the above
e. only a and c
D
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Where are the ovaries located?
a) retroperitoneal in the pelvic cavity b) retroperitoneal and posterior to the stomach c) superior to the kidney d) embedded in the abdominal wall
Which of these correctly describes a systemic response to infection?
A. The liver retains iron and zinc so plasma levels are decreased from normal. B. The body's set point temperature is reset so that body temperature is maintained lower than normal. C. There is reduced breakdown of triglycerides in adiopse tissue and a decrease in plasma free fatty acids compared to normal. D. Secretion of cortisol by the adrenal cortex is decreased. E. Appetite generally increases compared to normal.
Which type of muscle tissue causes contraction of the heart?
A. Cardiac muscle B. Smooth muscle C. Skeletal muscle
Which produces the LEAST number of contractions to force food through the digestive tract on a daily basis?
a. large intestine b. small intestine c. stomach d. esophagus