9. A nurse is preparing to administer penicillin G benzathine 1.2 million units IM now. The amount available is penicillin G benzathine 600,000 units/mL. How many mL should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["2"]
To administer the correct dose of penicillin G benzathine, which is 1.2 million units, and given that the available concentration is 600,000 units per mL, the nurse should calculate the volume to administer based on these values. By dividing the prescribed dose by the concentration available, the nurse can determine the volume needed for injection. In this case, 1.2 million units divided by 600,000 units per mL results in 2 mL.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Propranolol is a beta-blocker used to control blood pressure and heart rate. However, the nurse has a hold order for propranolol if the apical pulse (heart rate) is less than 50 beats per minute. The nurse documented a heart rate of 42 bpm at 0815, which falls below the hold parameter for propranolol. Administering propranolol in this case could worsen the client's bradycardia (slow heart rate) and therefore requires an incident report.
B. Pantoprazole is a proton pump inhibitor and doesn't have a direct impact on heart rate within the usual therapeutic range.
C. Lovastatin is a cholesterol medication and wouldn't cause a significant drop in heart rate at this dosage.
D. While morphine can slow the heart rate, it's typically used for pain management and may be necessary for the client's comfort. However, the nurse should monitor the respiratory rate closely due to potential respiratory depression.
E. Cefuroxime is an antibiotic and wouldn't significantly affect heart rate.
Correct Answer is ["B","D","E"]
Explanation
A. Urine-specific gravity greater than 1.030 indicates concentrated urine, suggesting dehydration, not fluid volume excess.
B. A bounding pulse is a sign of fluid volume excess.
C. Swelling at the IV site indicates infiltration, not systemic fluid volume excess.
D. Crackles upon auscultation of the lungs indicate fluid accumulation in the lungs, a sign of fluid volume excess.
E. Pitting edema is a sign of fluid volume excess, indicating fluid retention in the tissues.
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