Difficulty: Easy

Average Score: 92%

Which of the following is the interpretation of the nitroglycerin (Nitrostat) prescription? SL PRN chest pain

Rationale

Place 1 tablet under tongue as needed for chest pain.

Nitroglycerin, under the brand name Nitrostat, is typically administered sublingually (under the tongue) for rapid relief of chest pain, known as angina. This method allows for quick absorption into the bloodstream, providing prompt relief from symptoms.

A (Take 1 tablet by mouth as needed for chest pain.) YOUR ANSWER

This choice suggests swallowing the tablet, which is not the correct administration route for nitroglycerin. Swallowing the tablet would delay its absorption and effectiveness in relieving chest pain, as it is designed for sublingual use.

B (Inject 1 mL as needed for chest pain.) YOUR ANSWER

This option indicates an injection, which is not a standard method for administering nitroglycerin in this context. While nitroglycerin can be delivered via IV in some clinical settings, the prescription specifically refers to sublingual tablets for home use.

C (Place 1 tablet under tongue as needed for chest pain.) CORRECT

This is the correct interpretation. Nitroglycerin tablets are intended to be placed under the tongue, allowing for rapid absorption and quick relief from angina episodes. This method is crucial for effective management of chest pain.

D (Inhale 1 spray as needed for chest pain.) YOUR ANSWER

Although nitroglycerin is available in spray form, this option does not apply to the specific prescription for tablets. The prescription explicitly states "SL," indicating the sublingual route with tablets rather than an inhalation method.

Conclusion

The interpretation of the nitroglycerin prescription as "Place 1 tablet under tongue as needed for chest pain" is essential for effective treatment of angina. Correct administration via the sublingual route ensures rapid onset of action, which is critical in managing acute chest pain. Other options, including oral ingestion, injection, or inhalation, do not align with the intended use of nitroglycerin tablets in this context.

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