P waves usually appear before:
A) upright waves.
B) QRS complexes.
C) PR intervals.
D) T waves.
Answer: B
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A variant of a common low-flow, nasal O2 delivery device that is capable of providing both high humidity and a high FiO2 is known as which of the following?
a. High-flow nasal cannula b. Transtracheal catheter c. Nasal catheter d. Demand-flow oxygen
The practice of physician participation in education, equipment selection, and development of protocols for EMS systems is best described by which of the following terms?
a. Administrative interface b. Medical conscience c. Medical direction d. Physician extension
Macroshock and microshock are two kinds of electrical shock the patient can sustain from faulty equipment
Indicate whether the statement is true or false
With which of the following drugs should platelet counts be monitored?
a. divalproex sodium (Depakote) b. lamotrigine (Lamictal) c. lithium d. quetiaprine (Seroquel)