What is the principal estrogen secreted by the ovaries?
a. estrone
b. estriol
c. progesterone
d. menstruum
e. estradiol
e
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When piercing a peripheral nerve with a recording microelectrode, the structure encountered by the electrode after penetration of the connective tissue of the epineurium is the:
a. Endoneurium b. Myelin sheath c. Perineurium d. Plasma membrane of an axon e. Schwann cell nucleus
Metabolic H2O produced during cell metabolism and released into the ECF averages about 1,350 mL per day
a. True b. False Indicate whether the statement is true or false
Hypoventilation is the cause of an acid-base imbalance known as:
A) respiratory acidosis. B) respiratory alkalosis. C) metabolic acidosis. D) metabolic alkalosis.
What type of alveolar cell produces surfactant?
A) dust cells B) type II alveolar cells C) type I alveolar cells D) alveolar macrophages