A nurse is preparing to administer estradiol cypionate 4 mg IM to a client who is experiencing ovarian failure. Available is estradiol cypionate injection 5 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 ["0.8"]
Given:
Desired dose of estradiol cypionate: 4 mg
Concentration of estradiol cypionate injection: 5 mg/mL
Step 1: Set up the proportion:
Desired dose (mg) / Volume to administer (mL) = Concentration (mg/mL)
Step 2: Substitute the values:
4 mg / Volume = 5 mg/mL
Step 3: Solve for the unknown volume:
Volume = 4 mg / 5 mg/mL
Step 4: Calculate the volume:
Volume = 0.8 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A) The nurse should administer terbutaline each time the client has more than four contractions in an hour: This interpretation is incorrect because the prescription is for PRN (as needed) administration based on the occurrence of more than four uterine contractions per hour, not every time the client has more than four contractions. The medication should not be administered automatically at each instance of more than four contractions, but rather when it is specifically indicated as per the prescribed instructions.
B) The nurse should begin administering terbutaline every 4 hr for 24 hr: This interpretation is not accurate because the prescription does not state that terbutaline should be given regularly every 4 hours regardless of the client's condition. Instead, it specifies that terbutaline should be administered as needed (PRN) only when the client has more than four uterine contractions per hour. Routine administration every 4 hours is not appropriate unless specified in the prescription.
C) The nurse should administer terbutaline once every 24 hr to prevent the client from having more than four contractions per hour: Administering terbutaline on a fixed schedule every 24 hours is not consistent with the prescription. The prescription specifically indicates that terbutaline is only to be administered as needed (PRN) when the client is experiencing more than four contractions per hour.
D) The nurse should wait until the client has more than four contractions in 1 hr before administering terbutaline: This interpretation aligns with the prescription. Terbutaline is to be administered only when the client has more than four uterine contractions in one hour, and this should be done on a PRN basis. The medication is intended to manage excessive uterine activity, and its administration should be based on the client's current condition (i.e., the presence of more than four contractions per hour), not preemptively or on a regular schedule.
Correct Answer is ["3"]
Explanation
Given:
Desired dose of potassium chloride: 30 mEq
Concentration of potassium chloride tablets: 10 mEq/tablet
Step 1: Calculate the number of tablets:
Number of tablets = Desired dose (mEq) / Concentration per tablet (mEq/tablet)
Number of tablets = 30 mEq / 10 mEq/tablet
Number of tablets = 3 tablets
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