FISDAP Pharmacology 3

Question 1

Which beta-blocker is cardioselective and commonly used in EMS for rate control in atrial fibrillation?

Accepted Answer

Metoprolol

Answer

Metoprolol is a beta-1 selective (cardioselective) blocker that slows AV conduction for rate control in atrial fibrillation.

Question 2

What is the primary concern when administering calcium channel blockers to a patient already on beta-blockers?

Accepted Answer

Additive hypotension and AV block

Answer

Both drug classes depress cardiac conduction and contractility; combining them greatly increases the risk of severe hypotension and complete AV block.

Question 3

Sodium bicarbonate is indicated in the prehospital setting for which condition?

Accepted Answer

Tricyclic antidepressant overdose with widened QRS

Answer

Sodium bicarbonate alkalinizes the serum, which reduces sodium channel blockade from TCAs and narrows the QRS complex.

Question 4

A patient experiencing anaphylaxis has received epinephrine IM. Which additional medication is typically given to block histamine receptors?

Accepted Answer

Diphenhydramine

Answer

Diphenhydramine (Benadryl) is an H1 antihistamine that blocks histamine receptors and reduces urticaria, itching, and some cardiovascular effects of anaphylaxis.

Question 5

Which medication is used prehospital to treat symptomatic bradycardia unresponsive to atropine?

Accepted Answer

Dopamine or transcutaneous pacing

Answer

When atropine fails, dopamine infusion or transcutaneous pacing are the next steps for hemodynamically unstable bradycardia per ACLS guidelines.

(FISDAP) Field Internship Student Data Acquisition Project Practice Test

(FISDAP) Field Internship Student Data Acquisition Project Practice Test

FISDAP Pharmacology 3