You observe a COPD patient utilizing the pursed-lip breathing technique. Which statement is correct regarding pursed-lip breathing?
(A) It is not usually used by COPD patients.
(B) It may eliminate the hypoxic drive to breath.
(C) It helps improve tidal volume.
(D) It helps maintain pressure within the airways.
Answer: (D) It helps maintain pressure within the airways.
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The effects of sympathetic stimulation of the iris are:
A. vasoconstriction B. relaxation (for far vision) C. contraction of the circular muscle and pupil constriction D. contraction of the radial muscle and pupil dilation
Calculate the following adult drug dosages
The physician has ordered Phenergan (promethazine) 12.5 mg IM. On hand you have 25 mg/mL. How many mL will you inject?
After the AED has delivered a shock, the EMT should:
A. assess for a carotid pulse. B. immediately resume CPR. C. reanalyze the cardiac rhythm. D. transport the patient at once.
Which of the following scene size-up findings is LEAST suggestive of an unsafe environment?
A. A large man standing in his yard awaiting your arrival B. Liquid draining from a car that struck a telephone pole C. screaming and yelling coming from inside a residence. D. The sound of breaking glass as you approach a residence