Question 1:

Which of the following medications is classified as a beta-blocker?

A) Atropine

B) Metoprolol

C) Furosemide

D) Nitroglycerin

Explanation:

Correct Answer: B) Metoprolol

Beta-blockers are a class of medications that block the effects of adrenaline, specifically targeting betaadrenergic receptors. Metoprolol is a commonly prescribed beta-blocker used to treat conditions such as

hypertension, angina, and heart failure.

Question 2:

A nurse is preparing to administer a medication via the intramuscular route. Which site is commonly

used for intramuscular injections in adults?

A) Radial artery

B) Anterior thigh

C) Dorsogluteal muscle

D) Subcutaneous tissue of the abdomen

Explanation:

Correct Answer: C) Dorsogluteal muscle

The dorsogluteal muscle, located in the buttocks, is a common site for intramuscular injections in adults.

It is important to use proper landmarks and techniques to avoid injury to nearby structures such as

nerves and blood vessels.

Question 3:

A patient with a history of asthma is prescribed albuterol (Proventil) for acute bronchospasm. Which of

the following is the primary action of albuterol?