A 5-year-old male becomes ill with a severe cough. Histologic examination reveals a bacterial in-fection, and further laboratory testing reveals cell membrane damage and decreased protein syn-thesis
Which of the following is the most likely cause of this illness?
a. Endotoxin
b. Exotoxin
c. Hemolysis
d. Septicemia
ANS: B
Exotoxins are enzymes that can damage the plasma membranes of host cells or can inactivate enzymes critical to protein synthesis, and endotoxins activate the inflammatory response and produce fever. Endotoxins released by blood-borne bacteria cause the release of vasoactive en-zymes that increase the permeability of blood vessels. Hemolysis is the breakdown of red cells. Septicemia is the growth of bacteria in the blood.
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a. low literacy. b. psychomotor dysfunction. c. affective domain deficiency. d. low health literacy.
On the following illustration, mark the area of the eye where glaucoma causes fluid to accumu-late
What will be an ideal response?
Universal strategies to use in the presence of escalation of a potential violent situation include which of the following?
a. Demand that the potentially person back off. b. Remain close to the patient to protect her. c. Remain calm with a caring attitude. d. Speak loudly with authority.
Which term describes a lessened ability, as a result of aging, to hear high-pitched sounds?
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