The practical nurse (PN) is preparing cefazolin 400 mg IM for a client with a gram-positive infection. The available vial is labeled, "Cefazolin 1 gram," and the instructions for reconstitution state, for IM use, add 2 mL sterile water for injection. The total volume after reconstitution is 2.5 mL.
After reconstitution, how many mL should be administered to the client?
(Enter numeric value only. If rounding is required, round to the whole number, nearest tenths/hundredth).
The Correct Answer is ["1"]
The concentration of cefazolin after reconstitution can be calculated as follows: Concentration = Total amount of drug / Total volume after reconstitution
Since the available vial contains 1 gram (1000 mg) of cefazolin and the total volume after reconstitution is 2.5 mL, we can calculate the concentration:
Concentration = 1000 mg / 2.5 mL = 400 mg/mL
Therefore, after reconstitution, the concentration of cefazolin is 400 mg/mL.
To administer a dose of 400 mg, we divide the desired dose by the concentration: Volume to administer = Desired dose / Concentration
Volume to administer = 400 mg / 400 mg/mL = 1 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Bathing a bedfast client with the bed in a high position poses a potential risk to the client's safety. Lowering the bed to a safe height is important to prevent falls and injuries during the bathing procedure. The PN should promptly intervene and instruct the UAP to lower the bed to an appropriate level before continuing with the bathing process.
A. While remaining in the room to supervise the UAP is important, it should be done after ensuring the client's safety by lowering the bed. If the bed is not lowered, the risk of injury remains, and the PN should take immediate action to address the safety concern.
C. Determining if the UAP would like assistance is a valid consideration, but it should be secondary to addressing the safety issue of the bed height. Once the bed is lowered, the PN can assess if additional assistance is required and provide support accordingly.
D. Assuming care of the client immediately may be necessary if the client is in immediate danger or experiencing an urgent medical situation. However, in this case, the primary concern is addressing the safety issue related to the bed height, and the PN can address this by instructing the UAP to lower the bed.
Correct Answer is D
Explanation
Choice A reason:
Requesting that the man get up and leave disregards the client's autonomy and right to privacy. It can be seen as intrusive and disrespectful, potentially causing embarrassment and distress to the client. In a long-term care facility, residents have the right to engage in consensual relationships. By asking the man to leave, the nurse would be infringing on the client's personal rights and freedoms. This action could also damage the trust and rapport between the nurse and the client, making future interactions more difficult.
Choice B reason:
Reporting the incident to the family breaches the client's confidentiality and privacy. The client has the right to engage in consensual relationships without family interference unless there are concerns about safety or capacity. Involving the family in such personal matters without the client's consent can lead to unnecessary conflict and distress. It is important for healthcare providers to respect the client's autonomy and confidentiality, ensuring that their personal choices are honored and protected.
Choice C reason:
Exiting the room and closing the door maintains privacy, but it does not address the need to administer medications in a timely manner. The nurse must ensure care is provided while still respecting the client’s dignity.
Choice D reason:
Asking when the nurse should return respects the client’s privacy, dignity, and autonomy while also ensuring that necessary care will be completed. This approach supports therapeutic communication and professional boundaries.
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