The opening of the atrial septum in the fetal circulation is the _____.?
A) ?foramen ovale
B) ?ductus arteriosus
C) ?ductus venosus
D) ?tunica media
A
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Which of the following types of primates are described as having nostrils that open to the side, have long tails for grasping, and have no cheek pouches?
a. apes c. Old World monkeys b. New World monkeys
During exercise:
A. blood glucose levels fall dramatically. B. epinephrine and glucagon stimulate glycogenolysis in liver cells. C. decreased blood glucose and increased epinephrine stimulate insulin secretion. D. epinephrine stimulates glucagon secretion and inhibits skeletal muscle uptake of glucose. E. cortisol and growth hormone secretion are decreased.
The kidneys are retroperitoneal. What does that mean?
A. They are behind the parietal peritoneum. B. They are behind back muscles. C. They are behind the intestines. D. They are placed backwards in the abdominal cavity.
Air entering the body is filtered, warmed, and humidified by the
A) upper (conducting) portion of the respiratory tract. B) lower (respiratory) portion of the respiratory tract. C) lungs. D) alveoli. E) bronchioles.