In a neuron, the opening of sodium gates typically leads to ________
A) hyperpolarization of the plasma membrane
B) depolarization of the plasma membrane
C) drifting of plasma membrane voltage toward a more negative value
D) repolarization of the plasma membrane
E) plasma membrane voltage returning to the resting membrane potential
B
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The proper pronunciation of the prefix "meta" is:
A) MEHT-ah B) MEET-uh C) MUHT-uh D) may-ET-uh
The framework of a cell membrane is a lipid bilayer
Indicate whether the statement is true or false
Following strenuous exercise, blood levels of lactic acid are ________ compared to pre-exercise levels. This change in acid concentration causes a reflex ________ in ventilation by activating ________
A. decreased; decrease; peripheral chemoreceptors B. decreased; decrease; central chemoreceptors C. increased; increase; baroreceptors in the aortic arch D. increased; increase; central chemoreceptors E. increased; increase; peripheral chemoreceptors
Rotating the forearm so that the palm faces anteriorly is called
A. circumduction. B. rotation. C. hyperextension. D. supination. E. pronation.