Crawling in heavy smoke or extreme heat can increase:
A. visibility.
B. risk of falling.
C. useable oxygen.
D. chances of finding victims.
A
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Antihypertensives control blood pressure by:
A) speeding up the heart rate B) opening calcium channels C) inhibiting conversion of angiotensin 1 into angiotensin 2 D) causing arterial smooth muscle to contract
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Antagonistic muscle of the suboccipitals is:
a. Masseter b. Temporalis c. Scalenes d. Trapezius
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_____________ immunity is the body's inborn ability to fight infection
Fill in the blank(s) with correct word
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Impetigo is caused by ________.
A. fungus B. bacteria C. a virus D. lice
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