The mother of a 3-year-old boy has called 911 because her son has a low-grade fever and difficulty breathing. On scene, you are suspicious that the boy is suffering from croup. Which of the following statements made by the mother would reinforce this suspicion?
A) "At night, he seems to get a barking-like cough."
B) "When he is short of breath, his heart rate increases."
C) "There are times when he continually drools."
D) "When I turn the air conditioner on, he becomes more short of breath."
A
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Why is clearance of a drug important?
a. Drugs that are eliminated more slowly than they are absorbed can cause interactions with other substances. b. Drugs cannot be prescribed or dispensed until they have been cleared by the FDA. c. Drugs must clear the gastrointestinal system and the liver before they can take effect. d. Without clearance, severe withdrawal symptoms can occur.
The period of time for the flow of charges in one direction in an electrical current is termed
A) a phase duration B) a pulse duration C) an interphase interval D) an interpulse interval