Which vitamin will reduce the therapeutic effects of levodopa?

Answer and Explanation

The Correct Answer is A

A. B6 (Pyridoxine):

Vitamin B6, also known as pyridoxine, is known to reduce the therapeutic effects of levodopa. It competes with levodopa for absorption in the gastrointestinal tract and can decrease the amount of levodopa that reaches the brain, thereby diminishing its effectiveness in treating Parkinson's disease symptoms.

B. A (Retinol):

Vitamin A, also known as retinol, is not typically associated with reducing the therapeutic effects of levodopa. Vitamin A plays important roles in vision, immune function, and cellular communication, but it does not interact with levodopa in a way that affects its therapeutic efficacy.

C. E (Alpha-Tocopherol):

Vitamin E, also known as alpha-tocopherol, is an antioxidant that plays a role in protecting cells from oxidative damage. While vitamin E supplementation is sometimes used in Parkinson's disease management for its potential neuroprotective effects, it is not known to reduce the therapeutic effects of levodopa.

D. K (Phylloquinone):

Vitamin K, also known as phylloquinone, is primarily involved in blood clotting and bone metabolism. It does not interact with levodopa in a way that reduces its therapeutic effects.

E. C (Ascorbic Acid):

Vitamin C, also known as ascorbic acid, is not known to reduce the therapeutic effects of levodopa. While vitamin C has various roles in the body, including antioxidant activity and immune function support, it does not interfere with levodopa absorption or efficacy.

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Correct Answer is A

Explanation

A. 4 hours:

This option indicates that tissue plasminogen activator (tPA) must be administered within 4 hours of the onset of stroke symptoms to be considered as a drug therapy option. tPA is a thrombolytic medication used to dissolve blood clots in ischemic stroke, and its effectiveness is highest when administered promptly after the onset of symptoms.

B. 1 hour:

Administering tPA within 1 hour of stroke onset would be extremely challenging and impractical. It typically takes time for patients to recognize stroke symptoms, seek medical attention, and undergo diagnostic evaluations before tPA administration. While time is of the essence in stroke treatment, 1 hour is too short of a timeframe for most patients to receive tPA.

C. 24 hours:

Administering tPA beyond 4.5 hours of stroke onset is generally contraindicated due to the increased risk of complications, including hemorrhagic transformation of the stroke. While there may be some extended time windows considered for certain patients under specific circumstances, such as those meeting eligibility criteria for extended thrombolytic therapy, 24 hours is outside the standard timeframe for tPA administration.

D. 8 hours:

While tPA administration within 8 hours of stroke onset may be feasible for some patients, it is beyond the standard recommended time window for optimal effectiveness. As mentioned earlier, tPA is most effective when administered within the first 3 to 4.5 hours after the onset of symptoms, with earlier administration associated with better outcomes.

A. Provide a suction setup at the bedside. B. Elevate the side rails when in bed. C. Place a bite stick at the bedside. D. Keep an oxygen setup at the bedside. E. Furnish restraints at the bedside.

Correct Answer is ["A","B","D"]

Explanation

A. Provide a suction setup at the bedside:

This is a relevant intervention as it ensures that suction equipment is readily available in case the client experiences excessive secretions or vomiting during or after a seizure. It helps maintain a clear airway and prevent aspiration.

B. Elevate the side rails when in bed:

Elevating the side rails can help ensure the client's safety during a seizure by preventing falls from the bed. It is a preventive measure to minimize the risk of injury.

C. Place a bite stick at the bedside:

Placing a bite stick at the bedside is not a recommended intervention. Bite sticks can potentially injure the patient's teeth or mouth during a seizure and are generally not recommended in current practice.

D. Keep an oxygen setup at the bedside:

This is an appropriate intervention as it ensures that oxygen is readily available in case the client experiences respiratory distress or hypoxia during or after a seizure. Oxygen therapy may be needed to support respiratory function.

E. Furnish restraints at the bedside:

Furnishing restraints at the bedside is not a recommended intervention for managing seizures. Restraints should only be used in exceptional circumstances when the client's safety or the safety of others is at risk and should be applied according to institutional policies and legal regulations.

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Which vitamin will reduce the therapeutic effects of levodopa?

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Naxlex Comprehensive Predictor Exams

A few days after a Cerebral Vascular Accident, the patient's family asks the nurse if tissue plasminogen activator (tPA) is a drug therapy option now. The nurse's response based on the knowledge that this drug must be used within:

Correct Answer is A

Explanation

A nurse is contributing to the plan of care for a client who has a seizure disorder. Which of the following interventions should the nurse include in the plan? (Select all that apply.)

Correct Answer is ["A","B","D"]

Explanation

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The nurse is preparing discharge instructions for a patient with a history of diabetes who has just been diagnosed with seizure disorder. The patient has been prescribed hydantoin therapy. What will the patient most likely experience?

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A nurse is collecting data from a client who has increased intracranial pressure and is informed by the charge nurse that the client demonstrates decorticate posturing. Which of the following findings should the nurse expect to observe?

Which vitamin will reduce the therapeutic effects of levodopa?

A nurse is collecting data from a client who is 6 days post craniotomy for removal of an intracerebral aneurysm. The nurse should monitor the client for which of the following manifestations of increased intracranial pressure?

Parkinson's disease has which characteristic symptom(s)? SELECT ALL THAT APPLY

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