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Practice Question

Which laboratory value is the most specific indicator of heart muscle damage?

Answer Choices:

Correct Answer:

Troponin I

Rationale:

🧪Troponin I is a highly specific marker for myocardial injury, rising within hours of damage.

📈Its levels remain elevated longer than CK, providing a wider diagnostic window.

✅It plays a direct role in cardiac muscle contraction, making it a reliable indicator.

🩺This test is essential for confirming MI and guiding treatment decisions.

📌Core Message

Troponin I is the most specific marker for cardiac muscle injury, making it essential in MI diagnosis.

Want to practice more questions like this?

This question is from Heart Failure & Vascular Disease Exam-1 which contains 25 questions.

View Exam Details
More Questions from This Exam
When caring for a client showing symptoms of coronary artery disease, what action should be the nurse’s first priority?

Answer Choices:

A. Decrease anxiety.
B. Enhance myocardial oxygenation.
C. Administer sublingual nitroglycerin.
D. Educate the client about his symptoms.
View Full Question
Which option represents a standard part of the medical management of coronary artery disease?

Answer Choices:

A. Cardiac catheterization
B. Coronary artery bypass surgery
C. Oral medication therapy
D. Percutaneous transluminal coronary angioplasty
View Full Question
What is the most frequent symptom experienced by clients during a myocardial infarction?

Answer Choices:

A. Chest pain
B. Dyspnea
C. Edema
D. Palpitations
View Full Question
Chest pain described as "knifelike" and worsening with inspiration most likely originates from which system?

Answer Choices:

A. Cardiac
B. Gastrointestinal
C. Musculoskeletal
D. Pulmonary
View Full Question
What is the main reason morphine is administered to clients experiencing an MI?

Answer Choices:

A. To sedate the client.
B. To decrease the client’s pain.
C. To decrease the client’s anxiety.
D. To decrease oxygen demand on the client’s heart.
View Full Question
View All 25 Questions
From Exam
Heart Failure & Vascular Disease Exam-1

25 Questions

View Full Exam
Question Details
  • Category: NCLEX PN
  • Subcategory: Standalone Questions-NCLEX-PN
  • Domain: Cardiovascular Disorders NCLEX-PN
  • Answer Choices: 4
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