Nokea
If each tablet of digoxin (Lanoxin) contains 0.25 mg, how much should the nurse administer to the client each day?
- A. 0.5 tablets
- B. 1 tablet
- C. 0.25 tablets
- D. 0.125 tablets
Correct Answer: A
Rationale: For a 0.125 mg dose with 0.25 mg tablets, administer 0.5 tablets (0.125 mg ÷ 0.25 mg = 0.5).
You may also like to solve these questions
As part of the discharge instructions, the nurse correctly instructs the client that which symptom is a sign of artificial pacemaker malfunction?
- A. Tingling in the chest area
- B. Dizziness during activity
- C. Pain radiating to the arm
- D. Tenderness beneath the skin
Correct Answer: B
Rationale: Dizziness during activity may indicate pacemaker failure to maintain adequate heart rate.
When the client asks the nurse how propranolol helps to prevent angina, what is the best explanation?
- A. Propranolol promotes excretion of body fluid.
- B. Propranolol reduces the rate of heart contraction.
- C. Propranolol alters pain receptors in the heart.
- D. Propranolol dilates the major coronary arteries.
Correct Answer: B
Rationale: Propranolol, a beta-blocker, reduces heart rate and contractility, decreasing myocardial oxygen demand and preventing angina.
Which assessment finding is most closely correlated with an evolving MI?
- A. Nausea
- B. Facial flushing
- C. Severe headache
- D. Coughing up pink-tinged mucus
Correct Answer: A
Rationale: Nausea is a common symptom of myocardial infarction due to vagal stimulation or pain-induced stress response.
Which response by the nurse is most appropriate at this time?
- A. What are your concerns?
- B. Why are you so scared?
- C. Your doctor says you are doing just fine.
- D. You need to concentrate on getting well.
Correct Answer: A
Rationale: Asking about concerns encourages the client to express fears, facilitating emotional support and reducing anxiety.
A prothrombin time test should be performed regularly on persons who are taking which medication?
- A. Heparin
- B. Warfarin
- C. Phenobarbital
- D. Digoxin
Correct Answer: B
Rationale: A prothrombin time test is done to determine the effectiveness of warfarin. A partial thromboplastin time test is used for heparin. Phenobarbital and digoxin do not require regular clotting tests, though serum levels may be monitored for long-term therapy.