When documenting a blood pressure of 128/78, the nurse understands that the systolic pressure (128) represents:
a. Relaxation of the ventricles and opening of the aortic and pulmonic valves.
b. Contraction of the ventricles and closing of the mitral and tricuspid valves.
c. Contraction of the ventricles and opening of the mitral and tricuspid valves.
d. Relaxation of the ventricles and closing of the aortic and pulmonic valves.
ANS: B
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What is the process to help determine whether an individual has been exposed to environmental contaminants called?
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