A nurse is reviewing the medication list for a client who has a new prescription for warfarin. The nurse should recognize which is incompatible with warfarin?
Vitamin A
Alprazolam
Vitamin K
Furosemide
The Correct Answer is C
A) Vitamin A: While vitamin A can affect various bodily functions, it is not known to have a direct interaction with warfarin. Therefore, it is not considered incompatible with warfarin therapy.
B) Alprazolam: This medication, a benzodiazepine, is primarily used to treat anxiety and does not have a significant interaction with warfarin. Thus, it is not incompatible with warfarin therapy.
C) Vitamin K: This vitamin is a critical consideration when a client is on warfarin therapy. Warfarin works by inhibiting vitamin K-dependent clotting factors, so an increased intake of vitamin K can counteract the effects of warfarin, making this the correct answer. Clients on warfarin should maintain a consistent intake of vitamin K to prevent fluctuations in their INR levels.
D) Furosemide: This loop diuretic is used to manage conditions such as heart failure and edema. While it may affect electrolyte levels, it does not have a direct interaction that would render it incompatible with warfarin. It can be safely used alongside warfarin with appropriate monitoring.
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Correct Answer is C
Explanation
A) Vitamin A: While vitamin A can affect various bodily functions, it is not known to have a direct interaction with warfarin. Therefore, it is not considered incompatible with warfarin therapy.
B) Alprazolam: This medication, a benzodiazepine, is primarily used to treat anxiety and does not have a significant interaction with warfarin. Thus, it is not incompatible with warfarin therapy.
C) Vitamin K: This vitamin is a critical consideration when a client is on warfarin therapy. Warfarin works by inhibiting vitamin K-dependent clotting factors, so an increased intake of vitamin K can counteract the effects of warfarin, making this the correct answer. Clients on warfarin should maintain a consistent intake of vitamin K to prevent fluctuations in their INR levels.
D) Furosemide: This loop diuretic is used to manage conditions such as heart failure and edema. While it may affect electrolyte levels, it does not have a direct interaction that would render it incompatible with warfarin. It can be safely used alongside warfarin with appropriate monitoring.
Correct Answer is D
Explanation
A) Tachycardia: Propranolol is often used to manage tachycardia by reducing heart rate and controlling excessive adrenergic activity. Therefore, this diagnosis would not warrant clarification of the order; it is an appropriate use of the medication.
B) End-stage kidney failure: While caution is necessary when administering medications in clients with renal impairment, propranolol is primarily metabolized by the liver, and its use is not contraindicated in end-stage kidney failure. However, renal function can affect dosing, so monitoring would be important, but this diagnosis alone wouldn't require clarification.
C) Hypertension: Propranolol is commonly prescribed to manage hypertension, making this diagnosis a valid reason for the medication order. The use of propranolol in this context would not need clarification.
D) Asthma: Propranolol is a non-selective beta-blocker, which can cause bronchoconstriction and exacerbate asthma symptoms. This diagnosis would require the nurse to clarify the order, as beta-blockers are generally contraindicated in clients with asthma due to the risk of respiratory complications. If the client has reactive airway disease, an alternative medication should be considered.