Cholecystokinin closes the Hepatopancreatic sphincter.
a. true
b. false
Answer: b. false
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Why do elbows face dorsally while knees face ventrally?
A. Both limb buds flatten and turn at about day 38. B. The upper limbs rotate laterally about 180 degrees, and the lower limbs rotate medially about 180 degrees. C. During development, the upper limbs rotate laterally about 90 degrees, while the lower limbs rotate medially about 90 degrees. D. During development, the upper limbs rotate medially about 90 degrees, and the lower limbs rotate laterally about 90 degrees. E. The upper limbs rotate medially about 180 degrees, and the lower limbs rotate laterally about 180 degrees.
Specialized columnar cells that secrete mucus onto the surfaces of the tissue are called
A. endocrine cells. B. goblet cells. C. adipose cells. D. surface cells.
The network of capillaries that is located in Bowman capsule is called the ________.
A. proximal convoluted capillary B. vasa recta C. efferent arteriole D. glomerulus E. peritubular capillary
Which of the following is not true of the effects of various factors on blood pressure?
A. An increase in vasoconstriction of blood vessels increases blood pressure. B. An increase in blood volume increases blood pressure. C. An increase in cardiac output increases blood pressure. D. An increase in peripheral resistance decreases blood pressure. E. All of these are true of the effects of various factors on the blood pressure.