You receive a call for a 33-year-old man with difficulty breathing. Upon arrival, you begin to assess the patient, who tells you that he is HIV-positive. During the primary assessment, you should:
A) immediately place a nonrebreathing mask on the patient.
B) identify and correct immediately life-threatening conditions.
C) inquire about any antiretroviral medications he is taking.
D) apply two pairs of gloves in case you encounter any gross bleeding.
Answer: B) identify and correct immediately life-threatening conditions.
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A physician requests that you switch from pressure-triggering a patient to flow-triggering. Which of the following new settings would be appropriate?
a. Base flow = 0 L/min; trigger at 2 L/min b. Base flow = 10 L/min; trigger at ?2 cm H2O c. Base flow = 10 L/min; trigger at 2 L/min d. Base flow = 0 L/min; trigger at 10 cm H2O
Answer the following questions using the therapeutic index graph above.1. How many milligrams of the drug are necessary to produce an effective dose in 50% of the subjects tested?Answer: _____________2. How many milligrams of the drug are necessary to produce a lethal dose in 50% of the subjects?Answer: _____________3. Calculate the therapeutic index for the drug. Remember 
.Answer: _____________4. How many milligrams of the drug are needed to be effective in 100% of the subjects?Answer: ________________
What will be an ideal response?