Ion Channels: always open
A. Voltage gated
B. Leaky
C. Chemically Gated
D. Mechanically Gated
B. Leaky
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Visceral pain that is sometimes felt in more superficial areas of the body is called
A) nociceptive pain. B) referred pain. C) slow pain. D) fast pain. E) All of the answers are correct.
The urinary system does all of the following, except that it
A. regulates blood volume. B. regulates plasma concentrations of electrolytes. C. eliminates organic waste products. D. excretes excess albumen molecules. E. contributes to stabilizing blood pH.
Which vitamin is synthesized by the skin?
A) vitamin A B) vitamin C C) vitamin D D) vitamin E E) vitamin K
The sites where a chemical substance is transmitted from the presynaptic terminal of an axon to the postsynaptic membrane of a muscle fiber are called
A. neuromuscular junctions. B. sarcomeres. C. myofilaments. D. Z disks. E. cell body of neuron.