Which vitamin will reduce the therapeutic effects of levodopa?
B6
A
E
K
C
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. A continuous seizure state in which seizures occur in rapid succession:
This describes status epilepticus, a medical emergency characterized by prolonged or continuous seizures. It is not related to the concept of an aura.
B. A sensory warning that a seizure is imminent:
This is the correct answer. An aura is a subjective sensation or symptom that acts as a warning sign that a seizure is about to occur. Auras can vary widely among individuals and may include visual, auditory, olfactory, or other sensory experiences.
C. A period of sleepiness following the seizure during which arousal is difficult:
This describes the postictal state, which occurs after a seizure. During this period, the individual may experience confusion, drowsiness, or difficulty arousing from sleep. It is not specifically related to the concept of an aura.
D. A brief loss of consciousness accompanied by staring:
This describes an absence seizure, characterized by a brief loss of awareness and a blank stare. Absence seizures typically do not have an aura preceding them.
Correct Answer is C
Explanation
A. Perform passive range of motion on each extremity:
While passive range of motion exercises are important for preventing contractures and maintaining joint mobility in immobilized clients, they are not the highest priority in this situation. Airway management takes precedence over mobility exercises.
B. Monitor the client's electrolyte levels:
Monitoring electrolyte levels is important for overall assessment and management of the client's health, but it is not the highest priority when the client's airway and breathing are compromised.
C. Suction saliva from the client's mouth:
This is the correct answer. Suctioning saliva from the client's mouth helps maintain a clear airway and prevents aspiration. Unconscious clients are at risk for pooling of oral secretions, which can obstruct the airway and lead to respiratory complications.
D. Record the client's intake and output:
While monitoring intake and output is an essential part of nursing care, it is not the highest priority when the client's airway and breathing are compromised.
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