A nurse is preparing to administer cefazolin 250 n IM to a client. Available is cefazolin powder for injection 500 mg vial. The nurse reconstitutes the powder with 2 mL of sterile water for a concentration of 225 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["1.1"]
Determine the desired dosage:
The nurse needs to administer 250 mg of cefazolin.
Determine the volume per dose:
The concentration of the reconstituted cefazolin solution is 225 mg/mL.
The nurse needs to administer 250 mg per dose.
To find the volume per dose:
225 mg / 1 mL = 250 mg / x mL
Cross-multiplying gives us:
225x = 250
Dividing both sides by 225, we get:
x = 1.111 mL
Round the answer to the nearest tenth:
Rounding 1.111 to the nearest tenth gives us 1.1 mL.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.5"]
Explanation
Determine the desired dosage:
The nurse needs to administer 20 mg of quinapril.
Determine the number of tablets per dose:
Each tablet contains 40 mg of quinapril.
The nurse needs to administer 20 mg per dose.
To find the number of tablets per dose:
40 mg / 1 tablet = 20 mg / x tablets
Cross-multiplying gives us:
40x = 20
Dividing both sides by 40, we get:
x = 0.5 tablets
Correct Answer is A
Explanation
A. With "EP 116" stamped on one side of the tablet: The label specifies that the furosemide 20 mg medication is a "white round tablet" marked with "EP 116" on one side. This is how the nurse should expect the medication to appear before administering it to the client.
B. As a multicolored capsule: The medication described on the label is not in capsule form. Capsules are typically used for medications that require specific release mechanisms, which is not relevant for furosemide 20 mg in this scenario.
C. With "Furosemide 20 mg’’ printed on one side of the capsule:Although the label identifies the medication as furosemide 20 mg, it is not presented in capsule form or printed in this manner. The identifying mark is "EP 116," as described.
D. As a small vial: Furosemide is available in vial form for intravenous or intramuscular use; however, the label and the route specified (PO) indicate this is an oral tablet, not an injectable form.
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