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The nurse is preparing to administer digoxin (Lanoxin) to a client experiencing atrial fibrillation. Which of the following electrolyte imbalances would the nurse assess to reduce the incidence of toxicity with digoxin (Lanoxin)?

A.

hypocalcemia

B.

hypokalemia

C.

hyperkalemia

D.

hypernatremia

Answer and Explanation

The Correct Answer is B

A. Hypocalcemia is not directly linked to digoxin toxicity; rather, it is more associated with calcium channel blockers.

 

B. Hypokalemia increases the risk of digoxin toxicity, as low potassium levels can enhance the effects of digoxin on the heart.

 

C. Hyperkalemia is not directly associated with toxicity; however, it can cause complications in patients taking digoxin.

 

D. Hypernatremia does not have a direct impact on digoxin toxicity; monitoring potassium levels is more critical.


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View Related questions

Correct Answer is ["D","F"]

Explanation

A. Aspirin is an antiplatelet medication that prevents new clots but does not actively lyse existing clots.

B. Low-molecular weight heparin is primarily used for preventing clot formation rather than lysing existing clots.

C. Heparin prevents further clot formation but does not dissolve existing clots.

D. Alteplase (Activase) is a thrombolytic agent specifically indicated for the dissolution of existing clots in acute situations like deep vein thrombosis.

E. Warfarin is an anticoagulant that prevents clotting but does not directly lyse clots; it is used for long-term management.

F. Anistreplase (Eminase) is another thrombolytic agent used to lyse existing clots and is indicated in similar situations.

Correct Answer is C

Explanation

A. Doxazosin is an alpha-1 blocker that can be used for hypertension but is not a first-line option.

B. Carvedilol is a beta-blocker used in heart failure and post-MI but is not the first choice for initial hypertension treatment.

C. Lisinopril, an ACE inhibitor, is widely recognized as a first-line treatment for hypertension due to its effectiveness and favorable side effect profile.

D. Clonidine is generally not considered a first-line treatment for hypertension due to potential side effects and the availability of more effective alternatives.

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