Which position should a nurse instruct a patient to assume after a lumbar puncture to prevent a headache?
Lie flat.
Lie on left side.
Stay in semi-Fowler position.
Ambulate in the room with assistance.
The Correct Answer is A
A. Lie flat:
This option involves instructing the patient to lie flat on their back without elevating their head. Lying flat helps to maintain consistent pressure in the spinal canal, reducing the likelihood of CSF leakage from the puncture site. This position is commonly recommended after a lumbar puncture to prevent or minimize the occurrence of post-lumbar puncture headaches (PLPH).
B. Lie on left side:
This option involves instructing the patient to lie on their left side. While lying on the left side may provide some relief by reducing pressure on the lumbar puncture site, it is not typically recommended immediately after the procedure to prevent PLPH. Lying flat is generally preferred to minimize changes in CSF pressure and reduce the risk of headache.
C. Stay in semi-Fowler position:
The semi-Fowler position involves elevating the head of the bed at a 30-45 degree angle. This position is not typically recommended immediately after a lumbar puncture because it may increase CSF leakage and pressure changes, potentially exacerbating the risk of developing a headache.
D. Ambulate in the room with assistance:
Ambulating shortly after a lumbar puncture is not typically recommended as it may increase the risk of developing a headache. Movement and changes in posture can exacerbate CSF leakage and pressure changes at the puncture site, leading to the development of post-lumbar puncture headaches.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Fresh fish
Fresh fish does not contain significant amounts of tyramine. Therefore, there is no need to eliminate fresh fish from the client's diet due to its interaction with selegiline.
B. Cheddar cheese
This is the correct answer. Cheddar cheese is a high-tyramine food and should be eliminated from the client's diet when taking MAOIs. Aged cheeses, such as cheddar, contain high levels of tyramine due to the fermentation process, which can increase the risk of a hypertensive crisis when combined with MAOIs.
C. Cherries
Cherries do not contain significant amounts of tyramine. Therefore, there is no need to eliminate cherries from the client's diet due to their interaction with selegiline.
D. Chicken
Chicken does not contain significant amounts of tyramine. Therefore, there is no need to eliminate chicken from the client's diet due to its interaction with selegiline.
Correct Answer is ["10"]
Explanation
To calculate the dose of valproic acid oral solution, the nurse should use the following formula:
Dose (mL) = Ordered dose (mg) / Concentration (mg/mL) x Volume (mL)
Plugging in the values from the question, we get:
Dose (mL) = 500 mg / (250 mg / 5 mL) x 5 mL
Simplifying, we get:
Dose (mL) = 500 mg / 50 mg x 5 mL
Dose (mL) = 10 mL
Therefore, the nurse should administer 10 of valproic acid oral solution to the patient.
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