_______ generally causes relaxation of precapillary sphincters.
A. Low CO2
B. High O2
C. Lactic acid
D. Two of the above
Answer: C. Lactic acid
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The normal site of fertilization is the
A. fundus of the uterus. B. cervix. C. body of the uterus. D. vagina. E. uterine tube.
________ is a degenerative condition that is a result of simple "wearing out" of a joint from a sports injury, trauma, repetitive motion, obesity, or just the aging process
A) Gout B) Osteoarthritis C) Bursitis D) Rheumatoid arthritis
Removal of the anterior pituitary would affect the functioning of the ________.
A. pancreas islets in the pancreas B. thyroid gland C. adrenal medulla D. parathyroid gland E. kidney
Which of the following best describes the cerebral arterial circle (circle of Willis)?
A) A short anastomosis found in the cerebellum B) An anastomosis surrounding the pituitary gland C) Formed by the superior and inferior sagittal sinuses D) An anastomosis circling the entire cortex E) A portal system connecting the hypothalamus with the anterior pituitary