Taste buds
A. can perceive seven basic tastes.
B. have axons and generate their own action potentials.
C. can be found covering both the superior and inferior surfaces of the tongue.
D. can only perceive taste if the molecules are in solution.
E. are replaced approximately every 30 days.
Answer: D
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A) raises the level of calcium ion in the blood. B) decreases the rate of calcium excretion. C) increases the rate of calcium absorption. D) stimulates osteoclast activity. E) All of these answers are correct.
Braxton-Hicks contractions are those that occur
A. during premature labor. B. during true labor. C. with the most painful intensity. D. in smooth muscle near the uterus. E. during false labor.
What is heartburn and what causes it?
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Layers of the ________ analyze input from cones (and rods) differently, such that one layer can add input from L and M cones to obtain information about light intensity, while another could subtract such input to obtain red-green color information.
A. red nucleus B. hypothalamus C. lateral geniculate nucleus D. superior colliculi