A nurse is preparing to administer valproic acid 400 mg PO bid for migraine headaches. Available is valproic acid 250 mg/5 mL. How many mL should the nurse administer per dose? (Round the answer to the nearest whole number.
Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["8 mL"]
To calculate the volume to administer, the nurse should use the following formula:
Volume (mL) = Dose (mg) / Concentration (mg/mL) x 1000
Plugging in the given values, the nurse should get:
Volume (mL) = 400 mg / 250 mg/5 mL x 1000
Volume (mL) = 8 mL
The nurse should round the answer to the nearest whole number and use a leading zero if it applies. Therefore, the nurse should administer 8 mL of valproic acid per dose.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Hemorrhagic stroke is a type of stroke that occurs when a blood vessel ruptures in the brain, causing bleeding and increased intracranial pressure. The client's symptoms of sudden, severe headache, vomiting, seizure, and
unresponsiveness are consistent with hemorrhagic stroke. The client's elevated blood pressure and temperature are also risk factors for hemorrhagic stroke.
Thrombotic stroke is a type of stroke that occurs when a blood clot forms in an artery that supplies blood to the brain, causing ischemia and tissue damage. The client's symptoms are not typical of thrombotic stroke, which usually has a gradual onset and affects one side of the body.
Transient ischemic atack (TIA) is a temporary interruption of blood flow to the brain, causing neurologic deficits that resolve within 24 hours. The client's symptoms are not indicative of TIA, which does not cause loss of consciousness or permanent brain damage.
Embolic stroke is a type of stroke that occurs when a blood clot or other debris travels from another part of the body to the brain, causing occlusion and ischemia. The client's symptoms are not characteristic of embolic stroke, which usually has a sudden onset and affects one side of the body.
Correct Answer is ["50"]
Explanation
To calculate the gt/min, the nurse should use the following formula:
gt/min = (mL/hr x drop factor) / 60
Plugging in the given values, we get:
gt/min = (150 mL/hr x 20 gt/mL) / 60
gt/min = 3000 gt/hr / 60 gt/min = 50 gt/min
Therefore, the nurse should set the manual IV infusion to deliver 50 gt/min.
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