In the female menstrual cycle ________.
A. menstruation occurs during the last four days of the cycle
B. ovulation is stimulated by decreasing concentrations of progesterone
C. the luteal phase is characterized by high circulating concentrations of estrogens
D. progesterone secretion is stimulated by LH
Answer: D
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Which of the following is a property of epithelial tissue?
A. Epithelial tissue does not exhibit polarity. B. Epithelial tissue is typically unable to regenerate. C. Epithelial tissue contains blood vessels. D. Epithelial tissue is innervated.
Lymph differs from plasma in that
A) lymph is colorless and plasma is red. B) plasma has more protein than lymph. C) lymph is thin and plasma is viscous. D) lymph has more protein than plasma.
Where in the body are sperm stored?
A. Testis B. Epididymis C. Prostate D. Seminal gland
Which of the following is most likely to cause anemia?
A) Renal disease B) Air pollution other than by carbon monoxide C) High altitude D) Any factor that creates a state of hypoxemia E) Smoking