When instructing a patient on how to use a small-volume nebulizer, which one of the following statements would be correct?
A) "Breathe about 20–30 times per minute so the medication gets into your lungs."
B) "As I depress the trigger on the canister, take in a deep breath."
C) "Take nice slow and deep breaths, and try not to cough the medicine out."
D) "It is really important to occasionally cough during the treatment."
D
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Which of the following statements about tying the extension ladder halyard is MOST accurate?
A. The halyard should be tied using a figure-eight on a bight. B. The halyard should be tied to prevent the fly from slipping. C. The halyard should be tied before resting the ladder against the structure. D. The halyard should be tied differently for closed- and for open-ended halyards.
Central chemoreceptors located in the medulla provide feedback to increase the rate and depth of breathing when they sense:
A. slight elevations in carbon dioxide or a decrease in the pH of the cerebrospinal fluid. B. slight decreases in carbon dioxide and an increase in the pH of the cerebrospinal fluid. C. decreased levels of oxygen in the blood and an increase in the pH of the cerebrospinal fluid. D. increased levels of oxygen in the blood and a decrease in the pH of the cerebrospinal fluid.