If the adenosine is not effective in terminating a regular narrow complex tachycardia, the Paramedic should consider using a(n) ____.
A. beta/adrenergic blocker
B. ACE inhibitor
C. alpha blocker
D. calcium channel blocker
Answer: D
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Which of the following best describes the most common cause of hyperhomocysteinemia?
a. Mutations in the CBS gene or MTHFR gene b. APCR c. TFPI variant d. Substitution in the 3' untranslated region of the prothrombin gene (nucleotide 20210)
Which of the following is the most appropriate action of the medical assistant during a medical aseptic hand wash?
a. Allow clothing to touch sink. b. Only touch inside of sink with hands. c. Turn off faucet with a dry paper towel. d. Use the same towel to shut off faucet. e. Hold hands upward.
Commercialized dental emergency supply kits generally contain materials for detecting mercury contamination.
Answer the following statement true (T) or false (F)
Excessive vertical angulation when using the paralleling technique results in
A) cutting off incisal/occlusal edges. B) cutting off the apices. C) foreshortened images of the teeth. D) elongated images of the teeth.