During the action potential in a contractile cardiac muscle cell, the opening of slow calcium channels results in the __________ phase.
a. depolarization
b. hyperpolarization
c. plateau
d. repolarization
Ans: c. plateau
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a. is secreted by the Leydig cells of the testes. b. exerts a general protein anabolic effect. c. causes enlargement of the larynx and thickening of the vocal cords. d. both (a) and (b) above. e. all of these answers.
Which bone has an anterior crest?
A) Fibula B) Tibia C) Ulna D) Radius
The cassette screens should be cleaned with a disinfectant such as Clorox
Indicate whether the statement is true or false