Which of the following statements regarding hemophilia is MOST accurate?
A) Hemophilia is a hereditary abnormality of the platelets.
B) Hemophilia is a hereditary disease in which the body is unable to produce vitamin K.
C) Hemophilia is a hereditary disease that causes fibrin clots to dissolve prematurely.
D) Hemophilia is a hereditary lack of certain proteins needed in the clotting cascade.
D
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An ambulance and a fire engine are responding to a motor-vehicle crash when both emergency vehicles approach a red light. After the fire engine clears the intersection and proceeds, the operator of the ambulance should:
A) turn off all lights and sirens and wait for the red light to turn green. B) come to a complete stop and then proceed after looking in all directions. C) remain close behind the fire engine to ensure visibility of both vehicles. D) use a different siren tone while entering the intersection at a slow speed.
Due to the process of aging, an elderly person commonly experiences:
A) increased thirst. B) moderate hyperglycemia. C) increased insulin secretion. D) high fever with a minor illness.