Taste receptors are distributed in which of the following places?
A) surface of the epiglottis
B) surface of the tongue
C) portions of the pharynx
D) All of the answers are correct.
E) None of the answers is correct.
Answer: D
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A small amount of ultraviolet radiation is beneficial because it
A) increases blood flow in the dermis. B) stimulates the synthesis of photoreceptor pigments in the eye. C) constricts blood vessels in the dermis. D) stimulates vitamin D3 synthesis in the epidermis. E) adjusts overall gland secretion rates in the body.
What is the antigen challenge, and where does it usually take place?
What will be an ideal response?
Which of the following describes a comminuted fracture?
A. A fine crack is visible but bones are still aligned. B. The fracture spirals around the axis of a long bone. C. The fracture is parallel to the long axis of the bone. D. The bone is broken into three or more pieces. E. The bone is bent on one side and has an incomplete fracture on the other side.
Fatty acids enter the cell respiration pathway at
A. the intermediate stage, once they have been converted to pyruvate. B. glycolysis, once they have been converted to glucose. C. the citric acid cycle, once they have been converted to acetyl CoA. D. electron transport chain, once they have been converted to NADH.