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firefighter 1 practice test 100% with questions and answers

True or false? Although the mechanism of injury may be similar to those for the younger population, data shows increased mortality with similar severity of injury in older adults. - Ans-TrueIn the elderly population, what is decreased physiological reserve? - Ans-aging is characterized by impaired adaptive and homeostatic mechanisms that caused an increased susceptibility to the stress of injury

A 22-year-old man is hypotensive and tachycardic after a shotgun wound to the left shoulder. His blood pressure is initially 80/40 mm Hg. After initial fluid resuscitation his blood pressure increases to 122/84 mm Hg. His heart rate is now 100 beats per minute and his respiratory rate is 28 breaths per minute. A tube thoracostomy is performed for decreased left chest breath sounds with the return of a small amount of blood and no air leak.

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DZ - Ans-Derivative Zero; the derivative of a constant is 0 (eg horizontal lines have 0 slope) D+A - Ans-Differentiation distributes over addition DC - Ans-Differentiation commutes with multiplication by numbers Power Rule - Ans-if f(x) = x^a, with a not = 0, then f'(x) = ax^a-1 Product Rule - Ans-if f(x) = g(x) * h(x), then f'(x) = g'(x) * h(x) + g(x) * h'(x) Chain Rule - Ans-if f(x) = g(h(x)), then f'(x) = g'(h(x)) * h'(x) Quotient Rule - Ans-if f(x)...

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