The ____ rule states that if a set of measurements has a bell-shaped distribution, then approximately 68.3% of all the values fall within 1 standard deviation of the mean.
A. standard
B. central
C. empirical
D. normal
Answer: C
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Access to health care, heredity, personal behavior, and ____ are the four major factors influencing personal health.
A. environment B. sound nutrition C. the absence of illness D. open-mindedness
The meaning of the abbreviation HNP is ________
Fill in the blank(s) with correct word
The normal heart rhythm begins in the ________ which acts as the ________ of the heart rhythm.
A. bundle of His; conductor B. Purkinje fibers; bundle branches C. ventricles; stimulator D. sinoatrial node; pacemaker E. AV node; gateway
A lung disorder caused by the limiting of air into the lungs is called a(n):
A. hyperventilation. B. hypoventilation. C. obstructive lung disorder. D. dyspnea. E. restrictive lung disorder.