Which of the following signs related to breathing would be most concerning to the EMT?
A) Respiratory rate of 18, complaint of weakness
B) Respiratory rate of 22, chest expansion of 1 inch
C) Respiratory rate of 10, speaking without difficulty
D) Respiratory rate of 20, use of accessory muscles
D
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A patient informs you that he was recently diagnosed with the human immunodeficiency virus (HIV), but has yet to develop AIDS. Which one of the following statements is true?
A) Until the patient develops AIDS, he is not infectious. B) Family members should not share his hand towels or utensils. C) The hepatitis B and C vaccines provide the EMT limited protection from transmission. D) Gloves will be enough protection unless body fluids are present.
Which of the following is responsible for incorporating iron into the heme molecule?
a. ALA dehydrase b. PBG deaminase c. Uroporphyrinogen III d. Ferrochelatase