Match the term with the correct definition.A. Small change in the resting membrane potential confined to a small areaB. Charge difference across the plasma membrane when the cell is in an unstimulated stateC. Larger change in resting membrane potential that spreads over entire surface of a cellD. Membrane becomes more positive when Na+ diffuse into cellE. Return to the resting membrane potentialRepolarization
Fill in the blank(s) with the appropriate word(s).
Answer: E
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Microfilaments are thin strands of the contractile protein composed of myosin
Indicate whether the statement is true or false
Vasoconstriction of the blood vessels to the skin
a. is coordinated by the sympathetic nervous system. b. lowers heat exchange with the environment. c. occurs when core body temperature is elevated. d. both (a) and (b) above e. all of these answers.
The serous membrane covering the stomach and most of the intestines is called the
A) pericardium. B) peritoneum. C) pleura. D) mediastinum. E) abdomen.
Ribs 8 to 10 are called ________ because they do not attach directly to the sternum
A) hemi-attaching ribs B) vertebrosternal ribs C) vertebrochondral ribs D) vertebral ribs E) floating ribs