A nurse is preparing to administer metoprolol 5 mg IV bolus to a client for heart rate control. Available is metoprolol injection 1 mg/mL. How many mL should the nurse administerperdose?
The Correct Answer is ["5"]
To calculate how many milliliters (mL) of metoprolol 1 mg/mL solution should be administered to deliver a 5 mg IV bolus dose, you can use the following formula:
Dose (mL) = Desired dose (mg) / Concentration (mg/mL)
In this case:
Desired dose = 5 mg
Concentration = 1 mg/mL
Dose (mL) = 5 mg / 1 mg/mL = 5 mL
Therefore, the nurse should administer 5 mL of metoprolol 1 mg/mL solution per dose to deliver a 5 mg IV bolus for heart rate control.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. The pain can be severe and sudden at rest: This statement is more characteristic of unstable angina, where chest pain can occur at rest or with minimal exertion and is often severe and unpredictable.
B. The pain persists with rest and organic nitrates: This statement is more indicative of unstable angina or variant (Prinzmetal's) angina. Stable angina typically improves with rest and nitroglycerin (an organic nitrate).
C. The pain usually lasts longer than 20 minutes: Stable angina pain typically lasts for a few minutes (usually less than 5 to 10 minutes) and resolves with rest or nitroglycerin. Pain lasting longer than 20 minutes may indicate an acute coronary syndrome such as unstable angina or myocardial infarction.
D. Exertion and anxiety can trigger the pain: This statement is accurate for stable angina. Exertion, such as physical activity or emotional stress, can trigger anginal pain in individuals with stable angina due to increased oxygen demand by the heart.
Correct Answer is ["5"]
Explanation
To calculate how many milliliters (mL) of metoprolol 1 mg/mL solution should be administered to deliver a 5 mg IV bolus dose, you can use the following formula:
Dose (mL) = Desired dose (mg) / Concentration (mg/mL)
In this case:
Desired dose = 5 mg
Concentration = 1 mg/mL
Dose (mL) = 5 mg / 1 mg/mL = 5 mL
Therefore, the nurse should administer 5 mL of metoprolol 1 mg/mL solution per dose to deliver a 5 mg IV bolus for heart rate control.
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