WFR Wilderness Pharmacology & Medications 2

Question 1

Acetazolamide (Diamox) is carried by wilderness travelers primarily to prevent and treat:

Accepted Answer

Acute Mountain Sickness (AMS)

Answer

Acetazolamide speeds acclimatization by stimulating breathing and reducing bicarbonate levels, lowering the risk and severity of AMS at high altitude.

Question 2

The standard adult epinephrine auto-injector (EpiPen) delivers which dose intramuscularly?

Accepted Answer

0.3 mg

Answer

The standard adult EpiPen delivers 0.3 mg of epinephrine IM into the lateral thigh, the established dose for treating anaphylaxis.

Question 3

Ondansetron (Zofran) is most useful in the wilderness for controlling:

Accepted Answer

Nausea and vomiting

Answer

Ondansetron blocks 5-HT3 receptors to suppress nausea and vomiting, allowing the patient to stay hydrated and take oral medications.

Question 4

A key contraindication to acetazolamide (Diamox) use is a known allergy to:

Accepted Answer

Sulfa drugs

Answer

Acetazolamide is a sulfonamide derivative, and patients with sulfa drug allergies risk cross-reactivity and adverse reactions.

Question 5

When should a second dose of epinephrine be considered after the first injection for anaphylaxis?

Accepted Answer

If symptoms persist or return after 5–15 minutes

Answer

A second dose is appropriate if symptoms do not improve or recur within 5–15 minutes because anaphylaxis can be biphasic and epinephrine's duration is short.

WFR - Wilderness First Responder Practice Test

WFR - Wilderness First Responder Practice Test

WFR Wilderness Pharmacology & Medications 2