A patient is receiving oxygen with a mixture of gases. If the percent of oxygen is 30%, and the total pressure of the mixture is 680 mm Hg, what is the partial pressure of the oxygen?
A. 680 mm Hg
B. 2,270 mm Hg
C. 650 mm Hg
D. 204 mm Hg
Answer: D
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Which of the following types of transdermal patch is the quickest method of medication delivery?
A) The patch that controls the rate of medication delivery to the skin and bloodstream B) The patch that draws blood directly through the patch C) The patch that lets the skin control the rate of delivery D) The patch that has a special membrane in contact with the skin
Antifungal drugs are used for ________ and systemic fungal disease
A. anaphylactic C. antibiotics B. superficial D. tuberculin
The father of a 15-year-old male who has had a generalized seizure asks you why his son turned blue during the seizure. Which of the following is the best answer?
A) "The heart slows down and the blood pressure drops during a seizure, causing a lack of circulation to the skin." B) "The muscles used in breathing cannot work effectively during the seizure, decreasing the amount of oxygen in the blood." C) "It is a normal part of the seizure process and nothing to worry about." D) "The brain stem stops working during a seizure, which causes breathing to stop, decreasing the amount of oxygen in the blood."
Which of the following sets of vital signs depicts Cushing triad?
A. Blood pressure, 80/40 mm Hg; pulse, 30 beats/min; respirations, 32 breaths/min B. Blood pressure, 200/100 mm Hg; pulse, 140 beats/min; respirations, 28 breaths/min C. Blood pressure, 190/110 mm Hg; pulse, 55 beats/min; respirations, 30 breaths/min D. Blood pressure, 90/50 mm Hg; pulse, 120 beats/min; respirations, 10 breaths/min