A client who weighs 132 lb receives a prescription for lorazepam 44 mcg/kg IV to be administer 20 minutes before a scheduled procedure. The medication is available in 2 mg/mL vial. How many mL should the nurse administer?
(Enter numerical value only. If rounding is required, round to the nearest tenth.)
The Correct Answer is ["1.3"]
Convert pounds to kilograms.
- 1 pound = 0.453592 kilograms
- 132 pounds * 0.453592 kg/pound = 59.87 kilograms
Step 2: Calculate the total dose in micrograms.
- 44 micrograms/kilogram * 59.87 kilograms = 2635.08 micrograms
Step 3: Convert micrograms to milligrams.
- 1 milligram = 1000 micrograms
- 2635.08 micrograms / 1000 micrograms/milligram = 2.63508 milligrams
Step 4: Calculate the volume to be administered.
- Concentration of lorazepam = 2 milligrams/milliliter
- Volume = Dose / Concentration
- Volume = 2.63508 milligrams / 2 milligrams/milliliter = 1.31754 milliliters
Therefore, the nurse should administer approximately 1.3 milliliters of the lorazepam solution.
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Correct Answer is C
Explanation
Rationale
A. This client may require complex care related to liver disease and alcoholism, likely exceeding the scope of practice for a PN.
B. While this client requires specialized wound care and diabetes management, the tasks involved may be appropriate for a PN under RN supervision.
C. This client's care typically involves routine postoperative monitoring and interventions that are suitable for a PN under RN supervision.
D. This client requires specialized ostomy care and postoperative monitoring, which can generally be managed by a PN under RN supervision.
Correct Answer is A
Explanation
Rationale
A. This action helps maintain adequate cerebral perfusion pressure and venous drainage, which is important in suspected stroke cases. It supports optimal cerebral blood flow and reduces the risk of increased intracranial pressure. However, it's not the immediate intervention required for this client. The primary focus initially is on diagnostic evaluation and stabilization.
B. Elevating the joints on the affected side can help reduce dependent edema and promote circulation. This intervention is part of ongoing nursing care to prevent complications like deep vein thrombosis (DVT) in stroke patients who may have reduced mobility. While important, it is not the immediate priority in the acute phase of management.
C. Gathering a focused history is crucial to understanding potential causes or exacerbating factors contributing to the client's symptoms While important, it is not the immediate priority in the acute phase of management.
D. Intermittent pneumatic compression devices (IPC) are used to prevent deep vein thrombosis (DVT) by enhancing venous return and preventing stasis in the lower extremities. While DVT prevention is important in stroke patients, it is not the immediate intervention required for the client's acute neurological symptoms.
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