Paramedics Exam Pharmacology and Medication Administration 2

Question 1

A patient in anaphylaxis weighing 80 kg receives epinephrine 1:1,000 IM. What is the correct adult dose?

Accepted Answer

0.3 mg

Answer

The standard adult IM dose of epinephrine 1:1,000 for anaphylaxis is 0.3 mg (0.3 mL).

Question 2

Which medication classification does adenosine belong to?

Accepted Answer

Antiarrhythmic (Class V)

Answer

Adenosine is classified as a Class V antiarrhythmic that works by slowing conduction through the AV node.

Question 3

A paramedic administers an IV medication too rapidly and the patient develops phlebitis. This is an example of which adverse drug effect?

Accepted Answer

Local tissue irritation

Answer

Phlebitis from rapid IV administration is a local tissue irritation caused by the drug's chemical properties or infusion rate.

Question 4

What is the primary mechanism of action of furosemide (Lasix)?

Accepted Answer

Inhibits sodium-potassium-chloride cotransport in the loop of Henle

Answer

Furosemide inhibits the Na-K-2Cl cotransporter in the thick ascending limb of the loop of Henle, producing diuresis.

Question 5

When administering medications via the IO route, which consideration is most important?

Accepted Answer

Medications should be flushed with saline after administration

Answer

IO medications must be flushed with 5–10 mL of normal saline to ensure delivery into the central circulation.

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