A patient is receiving gentamicin every 12 hours IVPB for an infection.
The nurse has administered the 0900 dose, which is prescribed to run over 1 hour. The physician prescribed peak and trough levels to be drawn.
When should the nurse expect to draw the peak level?
0930
1000
2030
2100
The Correct Answer is B
Choice A rationale
Drawing the peak level at 0930, which is 30 minutes after the start of the infusion, would be too early. The medication would not have had enough time to reach its peak level in the blood.
Choice B rationale
The peak level of gentamicin is typically evaluated 30 minutes after the completion of the infusion. Since the infusion is administered over 1 hour, the peak level would be expected to be drawn at 10001.
Choice C rationale
Drawing the peak level at 2030, which is 12 hours after the start of the infusion, would not provide an accurate representation of the peak level of gentamicin. This is because the medication would have been metabolized and excreted over this period.
Choice D rationale
Drawing the peak level at 2100, which is 12.5 hours after the start of the infusion, would not provide an accurate representation of the peak level of gentamicin. This is because the medication would have been metabolized and excreted over this period.
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Related Questions
Correct Answer is B
Explanation
Choice A rationale
Drawing the peak level at 0930, which is 30 minutes after the start of the infusion, would be too early. The medication would not have had enough time to reach its peak level in the blood.
Choice B rationale
The peak level of gentamicin is typically evaluated 30 minutes after the completion of the infusion. Since the infusion is administered over 1 hour, the peak level would be expected to be drawn at 10001.
Choice C rationale
Drawing the peak level at 2030, which is 12 hours after the start of the infusion, would not provide an accurate representation of the peak level of gentamicin. This is because the medication would have been metabolized and excreted over this period.
Choice D rationale
Drawing the peak level at 2100, which is 12.5 hours after the start of the infusion, would not provide an accurate representation of the peak level of gentamicin. This is because the medication would have been metabolized and excreted over this period.
Correct Answer is C
Explanation
Choice A rationale
While a past medical history of myocardial infarction does increase the risk of deep vein thrombosis (DVT), it is not the highest risk factor among the options provided. Other factors such as immobility, surgery, and certain medical conditions can pose a higher risk.
Choice B rationale
Postoperative patients, such as those who have had a laparoscopic knee replacement, are at an increased risk for DVT due to periods of immobility and changes in blood flow and clotting.
However, the risk is not as high as in patients who have undergone major open abdominal surgery.
Choice C rationale
Patients who have undergone major open abdominal surgery are at the highest risk for the development of DVT among the options provided. The surgery itself, along with the postoperative period of immobility, significantly increases the risk of DVT34567.
Choice D rationale
While peptic ulcers can be associated with certain risk factors for DVT, such as age and immobility due to pain, they do not pose as high a risk as major open abdominal surgery.
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