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.)

A: Vertigo is a common finding in clients with essential hypertension due to changes in blood flow and possible impacts on the inner ear, which can affect balance.
B: Blurred vision, while it can be associated with hypertension, is not as directly related to essential hypertension as vertigo is. It is more commonly a sign of complications from prolonged uncontrolled hypertension.
C: Dyspnea or difficulty breathing is not typically a direct symptom of essential hypertension, though it can be a symptom of complications such as heart failure, which can be a result of long-standing, uncontrolled hypertension.
D: Uremia, which is an elevated level of waste products in the blood, is not a symptom of essential hypertension but rather a sign of kidney failure, which can be a secondary complication of chronic hypertension. Essential hypertension itself does not directly cause uremia.

Turn the client's head to the side.

The nurse should turn the client's head to the side first to prevent aspiration of oral secretions and maintain a patent airway. This is the priority action according to the airway, breathing, and circulation (ABC) principle.

Check the client's motor strength is wrong because it is not the priority action and it is not feasible during a seizure. The nurse should check the client's motor strength after the seizure to assess for any neurological deficits or postictal weakness.

Document the time the seizure began is wrong because it is not the priority action and it can be done later. The nurse should document the time, duration, type, and characteristics of the seizure, but only after ensuring the client's safety and well-being.

Loosen the clothing around the client's waist is wrong because it is not the priority action and it may not be necessary. The nurse should loosen any tight clothing that could impair breathing or circulation, but only after securing the airway and protecting the head from injury.

Turn the client's head to the side.

The nurse should turn the client's head to the side first to prevent aspiration of oral secretions and maintain a patent airway. This is the priority action according to the airway, breathing, and circulation (ABC) principle.

Check the client's motor strength is wrong because it is not the priority action and it is not feasible during a seizure. The nurse should check the client's motor strength after the seizure to assess for any neurological deficits or postictal weakness.

Document the time the seizure began is wrong because it is not the priority action and it can be done later. The nurse should document the time, duration, type, and characteristics of the seizure, but only after ensuring the client's safety and well-being.

Loosen the clothing around the client's waist is wrong because it is not the priority action and it may not be necessary. The nurse should loosen any tight clothing that could impair breathing or circulation, but only after securing the airway and protecting the head from injury.