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Marie Garcia, age 67, reports that her chronic angina has been recurring even though she has been taking nitroglycerin sublingual tablets as prescribed. She tells the nurse that she used to store the tablets on a table by the window, and when she started to use a new batch of tablets, the problem subsided. What I would explain the ineffectiveness of the tablets?

Ms. Garcia developed unstable angina

Exposure to the elements (natural light) caused the drugs to lose their effectiveness

Ms. Garcia developed tolerance to the sublingual form of administration

Ms. Garcia did not follow the correct interval or duration of administration

Answer and Explanation

The Correct Answer is B

Explanation:

A. There is no evidence in the scenario to suggest that Ms. Garcia developed unstable angina.

B. Exposure to light, particularly sunlight, can degrade nitroglycerin, reducing its effectiveness over time.

C. There is no indication that Ms. Garcia developed tolerance to sublingual nitroglycerin in this scenario.

D. Ms. Garcia's storage method for the nitroglycerin tablets, not the interval or duration of administration, likely affected their effectiveness.

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Correct Answer is D

Explanation

A. Oxygen saturation within the normal range does not indicate a need to question administering atenolol.

B. Respiratory rate within the normal range does not indicate a need to question administering atenolol.

C. Blood pressure within the normal range does not indicate a need to question administering atenolol.

D. Atenolol is a beta blocker, which can lower heart rate. A pulse of 52 beats per minute may be too low, especially if the client is experiencing angina, and the nurse should assess further before administering the medication.

A. Slow heart rate and difficulty standing B. Chest pain on physical exertion or emotional stress C. Sudden weakness with severe headache D. Difficulty breathing and increased temperature

Correct Answer is B

Explanation

A. Slow heart rate and difficulty standing are not typical symptoms of angina.

B. Chest pain that occurs on physical exertion or emotional stress is the classic symptom of angina, caused by reduced blood flow to the heart muscle.

C. Sudden weakness with a severe headache could suggest other medical issues such as a stroke, not angina.

D. Difficulty breathing and increased temperature are not specific to angina and could indicate other health problems like infection or respiratory issues.

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Naxlex Comprehensive Predictor Exams

The nurse is preparing to administer atenolol (Tenormin) to a client with angina. Which vital sign would cause the nurse to question administering this drug?

Correct Answer is D

Explanation

The nurse is describing angina to a family member of a client recently diagnosed with the condition. Which characterization of angina is the most appropriate?

Correct Answer is B

Explanation

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