A client is to receive 250,000 units of benzathine penicillin.
G. The medication is available in a vial containing 300,000 units per milliliter. How many milliliters should a nurse administer?
0.4.
0.8.
1.2.
1.6.
The Correct Answer is B
0.8.
To find the answer, you need to use the formula: Dose ordered / Dose available = Volume to administer
In this case, the dose ordered is 250,000 units and the dose available is 300,000 units/mL. So, you need to divide 250,000 by 300,000 and get 0.8333.
Then, you need to round it to one decimal place and get 0.8 mL. Choice A is wrong because it is too low.
If you administer 0.4 mL, you will give only 120,000 units of penicillin G benzathine, which is half of the prescribed dose.
Choice C is wrong because it is too high.
If you administer 1.2 mL, you will give 360,000 units of penicillin G benzathine, which is 44% more than the prescribed dose.
Choice D is wrong because it is also too high.
If you administer 1.6 mL, you will give 480,000 units of penicillin G benzathine, which is almost double the prescribed dose.
The normal range for penicillin G benzathine dosage depends on the type and severity of infection, but it is usually between 50,000 and 2.4 million units per injection.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
This is because the nurse should always follow the ABC (airway, breathing, circulation) priority when dealing with a client who suddenly slumps over. The nurse should check if the client is conscious and breathing before calling for help or moving the client.
Choice A is wrong because calling the rapid response team should not be done before assessing the client’s condition and ensuring a patent airway.
Choice B is wrong because moving the client to the bed may cause further harm or aspiration if the client has food in the mouth or airway.
Choice C is wrong because calling the primary care provider is not a priority action in this situation. The nurse should first assess and stabilize the client before notifying the provider.
Correct Answer is D
Explanation
Offer a glass of warm milk. According to some studies, warm milk may have a relaxing effect on the body and help induce sleep. It also contains tryptophan, an amino acid that is converted to serotonin and melatonin, which are neurotransmitters that regulate sleep cycles.
Choice A is wrong because a warm shower may increase the body temperature and make it harder to fall asleep.
Choice C is wrong because notifying the healthcare provider is not necessary for a client with insomnia unless there are other signs of distress or complications.
Choice D is wrong because watching television may stimulate the brain and interfere with the production of melatonin, a hormone that promotes sleep.
Some other nursing interventions for insomnia are:
- Educate the patient on the proper food and fluid intake such as avoiding heavy meals, alcohol, caffeine, or smoking before bedtime.
- Evaluate the patient’s sleep hygiene such as having a regular bedtime and wake-up time, avoiding naps during the day, and limiting exposure to light at night.
- Provide a conducive environment for sleep such as reducing noise, adjusting temperature and lighting, and using comfortable bedding.
- Help the patient develop a sleeping plan such as engaging in relaxing activities before bed, avoiding checking the clock, and getting out of bed if unable to sleep after 20 minutes.
- Understand the proper use of sleep aids or other medications such as following the prescription, avoiding over-the-counter drugs without consulting the provider, and being aware of the side effects and interactions.
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