A prescription is written for morphine sulfate gr 1/6 IM, q3-4h prn. The label on the vial states "morphine sulfate 10 mg/mL". How many mL should be administered every 3 to 4 hours as needed?
0.5 mL
0.75 mL
1 mL
1.5 mL
1 mL
Rationale: First, convert grains into milligrams. Multiply as follows: gr 1/6 x 60 = 10 mg. Then use this formula: D / H x Q = 10 mg / 10 mg x 1 mL = 1 mL. So, 1 mL should be administered every 3 to 4 hours as needed.
You might also like to view...
Which of the following tests would help differentiate ET from other causes of thrombocytosis?
a. Coagulation screening b. Platelet function c. Liver enzymes d. D-dimer
What is apraxia, and what are the different forms of this disorder?
Data transferred to the NCQA Interactive Data Submission System contains PHI
A) True B) False
When a chemical stress test is performed using Persantine, adenosine, or a similar chemical, how does the chemical affect the patient?
A. It relaxes the heart. B. It changes the heart's rhythm from atrial fibrillation to normal sinus rhythm. C. It stimulates the patient so he or she can exercise longer. D. It mimics the stresses placed on the heart during exercise.