A client who has atrial fibrillation is prescribed warfarin therapy.
Which of the following statements by the client indicates an understanding of the medication?
“I should avoid foods that are high in vitamin K.”.
“I should take this medication with food.”.
“I should report any unusual bleeding or bruising to my provider.”.
“I should avoid taking aspirin while taking this medication.”.
The Correct Answer is A
Choice A rationale:
The client's statement, "I should avoid foods that are high in vitamin K," indicates an understanding of the medication. Warfarin is an anticoagulant medication that works by inhibiting vitamin K-dependent clotting factors. Consistent intake of vitamin K-containing foods helps maintain a stable INR (International Normalized Ratio) and warfarin's effectiveness. Clients on warfarin should be educated about avoiding drastic changes in their vitamin K intake.
Choice B rationale:
Taking warfarin with food or on an empty stomach doesn't significantly impact its efficacy. Therefore, this statement is not indicative of the client's understanding of the medication.
Choice C rationale:
The statement "I should report any unusual bleeding or bruising to my provider" is important but doesn't specifically reflect an understanding of warfarin. It's a general caution for anyone taking anticoagulants.
Choice D rationale:
While it's important to avoid excessive use of medications like aspirin that can increase the risk of bleeding, this statement doesn't directly demonstrate an understanding of warfarin itself.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale:
Metabolic alkalosis is unlikely in this scenario because the client is experiencing anxiety, fear, and hyperventilation, which typically result in increased respiratory rate, leading to the loss of carbon dioxide (CO2) through exhalation. This loss of CO2 would cause a decrease in bicarbonate (HCO3-) levels and result in metabolic acidosis, not metabolic alkalosis.
Choice B rationale:
Respiratory alkalosis occurs when there is excessive loss of CO2 due to hyperventilation, as seen in this client's case. However, the primary disturbance here is metabolic in nature. The hyperventilation is the body's response to compensate for the underlying metabolic acidosis by attempting to blow off CO2 to increase pH. Therefore, metabolic acidosis is the primary imbalance.
Choice D rationale:
Respiratory acidosis is characterized by increased levels of CO2 in the blood due to inadequate ventilation. In this scenario, the client is hyperventilating, which would lead to a decrease in CO2 levels and not an increase, as seen in respiratory acidosis. Additionally, the primary acid-base disturbance is metabolic acidosis in this case.
Correct Answer is D
Explanation
Choice A rationale:
This statement is incorrect. Major Depressive Disorder (MDD) is typically more severe than dysthymia and is characterized by recurrent episodes of severe depression lasting at least two weeks.
Choice B rationale:
This statement is incorrect. Dysthymia is not characterized by alternating episodes of mania and depression. It is a chronic, low-grade depressive disorder.
Choice C rationale:
This statement is incorrect. Dysthymia can impair social and occupational functioning, similar to MDD. Both conditions can have a significant impact on a person's daily life.
Choice D rationale:
This statement is accurate. Dysthymia is a chronic depressive disorder that lasts for at least two years but is generally less severe than MDD. It is characterized by persistent, milder symptoms of depression.
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