Life expectancy in the early 1900s was largely determined by a person's

A) hygiene habits.
B) susceptibility to infectious disease.
C) occupation and location.
D) family history.


Answer: B

Health & Biomechanics

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Chest pain due to a reduction in blood flow to the heart is called

A) atherosclerosis. B) myocardial infarction. C) hypertension. D) angina pectoris.

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a. true b. false

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