The nurse is caring for a client who is having chest pain. The healthcare provider prescribes an infusion of nitroglycerin. The initial dose is 12 mcg/min. The nitroglycerin is dispensed at a concentration of 100 mg/ 250 mL. How many mL/hr will the nurse set the infusion pump? (Round rate to the nearest tenth. Only enter numbers and decimals. Do not enter any letters in your answer.)
The Correct Answer is ["1.8"]
Infusion rate (mL/hr) = Desired dose (units/hr) / Concentration of nitroglycerin (units/mL)
First, calculate the concentration of nitroglycerin in the IV bag:
- 100 mg / 250 mL = 0.4 mg/mL
Next, convert the desired dose from mcg/min to mg/hr:
- 12 mcg/min 60 min/hr = 720 mcg/hr = 0.72 mg/hr
Finally, plug the values into the formula:
- Infusion rate = 0.72 mg/hr / 0.4 mg/mL = 1.8 mL/hr
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Current anticoagulant use is crucial to assess before administering t-PA because combining t-PA with anticoagulants can significantly increase the risk of bleeding complications. It is essential to ensure that the client is not on medications that could interact adversely with t-PA.
B. While blood pressure is important to monitor, it is secondary to assessing anticoagulant use since high blood pressure alone does not contraindicate t-PA administration.
C. A complete neurologic assessment is important for determining the extent of the stroke but is not the immediate priority before administering t-PA.
D. While treatment for peptic ulcer disease is relevant, it is not directly related to the immediate risk factors for t-PA administration compared to anticoagulant use.
Correct Answer is C
Explanation
A. Avoiding crowded places is a precaution related to general health and infection control but is not specifically linked to internal radiation therapy.
B. Avoiding fresh fruits and vegetables is not required for internal radiation therapy. Dietary restrictions are not typically necessary unless specified by the healthcare provider.
C. For internal radiation therapy, maintaining distance from others, typically around 6 feet, is important to minimize radiation exposure to others. This safety measure helps reduce the risk of radiation exposure to family members and visitors.
D. Radiation tattoo markings are used to ensure proper placement of the radiation source and should not be washed off. However, this precaution does not directly relate to safety around radiation exposure.
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