Which of the following best explains the mechanism called irritability?
A) The ventricles repolarize before they are ready.
B) The normal pacemaker slows down and gives up control.
C) A lower pacemaker site speeds up to take control of the heart.
D) The normal pacemaker changes its inherent rate.
Answer: C
Health Professions
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The granting of permission by a governmental body for a qualified individual to engage in a particular profession or occupation is known as:
A) licensure. B) registration. C) reciprocity. D) certification.
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Whole blood transfusion achieves all of the following except
a. Improved cellular immune function b. Improved tissue oxygenation c. Replacement of fluid d. Replacement of nonlabile coagulation factors
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