The sodium-potassium exchange pump
A) must re -establish ion concentrations after each action potential.
B) transports sodium ions into the cell during depolarization.
C) requires ATP to function.
D) moves sodium and potassium in the direction of their chemical gradients.
E) transports potassium ions out of the cell during repolarization.
C) requires ATP to function.
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Indicate whether the statement is true or false
Fibrous connective tissue reducing elasticity of lungs is seen in
A. emphysema. B. asthma. C. pulmonary edema. D. pneumothorax.
Which one of the following is NOT true?
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