How many pulmonary arteries empty into the right atrium of the heart?
A. None
B. One
C. Two
D. Four
E. Six
Answer: A
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Blood pressure in the glomerulus is _______ than in other capillaries due to the relatively large diameter of ________ arterioles
A. higher; afferent B. higher; efferent C. lower; afferent D. lower; efferent
The main sympathetic nerve supply to the digestive tract is the vagus
Indicate whether the statement is true or false
With respect to neurons, the term "nerve fiber" refers to
a) an axon. b) a dendrite c) a Nissl body. d) both axons and dendrites. e) all of these choices
Which of the following is a hormone secreted by both the placenta and the corpus luteum during pregnancy and functions in suppressing the release of oxytocin?
A) progesterone B) human chorionic gonadotropin C) relaxin D) placental prolactin E) estrogen