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 D
Explanation
When a client's family member expresses concerns about the care provided, it is essential for the nurse to gather more information and understand the specific issues raised. By asking for a description of what happened during the night, the nurse can obtain details about the perceived inadequate care. This allows the nurse to gather accurate information, assess the situation, and address any legitimate concerns.
A. Explaining that all staff are doing their best may not address the specific issues raised by the daughter and may not provide a satisfactory resolution to her concerns.
B. Telling the daughter to talk with the unit's nurse manager can be an appropriate step, but it should come after gathering information about the situation. The nurse needs to have a clear understanding of what happened before involving the nurse manager.
C. Reassuring the daughter that the mother will get better care may not address her concerns and may not provide a solution to the perceived problem. It is important to gather more information before offering reassurance or making promises.
Correct Answer is B
Explanation
the practical nurse (PN) should engage in regular contact with the client who demonstrates an inability to communicate effectively. Regular contact helps establish a therapeutic relationship and provides opportunities for observation and assessment of the client's needs and behavior. It also helps the PN to build trust with the client over time.
The other options listed are not appropriate methods for interacting with a client with psychosis who has difficulty communicating effectively:
A. Discouraging group activities: Group activities can be beneficial for individuals with psychosis as they provide opportunities for social interaction, skill-building, and support. It is important to encourage participation in appropriate group activities that are tailored to the client's needs and abilities.
C. Touching the client when speaking: Touching the client without their consent may be perceived as invasive or threatening, especially for individuals with psychosis who may already have difficulties with sensory processing or boundaries. It is important to respect the client's personal space and communicate through verbal means, maintaining a respectful and
non-intrusive approach.
D. Establishing a no-harm contract: No-harm contracts are typically used in the context of suicidal or self-harming behaviors to promote safety and identify support systems. While safety is important, it is not directly related to the communication difficulties associated with psychosis. Instead, the focus should be on developing a therapeutic relationship and finding effective means of communication with the client.
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