Cardiovascular System | Myocardial Infarction and Heart Failure NCLEX Quiz 12

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Questions: 10 | Attempts: 2,759 | Updated: Apr 26, 2024

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Cardiovascular System | Myocardial Infarction And Heart Failure NCLEX Quiz 12 - Quiz

All questions are shown, but the results will only be given after you’ve finished the quiz. You are given 1 minute per question, a total of 10 minutes in this quiz.

Questions and Answers

1.

Which of the following actions is the first priority of care for a client exhibiting signs and symptoms of coronary artery disease?
- A.
  
  Decrease anxiety
- B.
  
  Enhance myocardial oxygenation
- C.
  
  Administer sublingual nitroglycerin
- D.
  
  Educate the client about his symptoms
Correct Answer
B. Enhance myocardial oxygenation

Explanation
Enhancing myocardial oxygenation is always the first priority when a client exhibits signs or symptoms of cardiac compromise. Without adequate oxygenation. the myocardium suffers damage.Options A and D: Although educating the client and decreasing anxiety are important in care delivery. neither are priorities when a client is compromised.Option C: Sublingual nitroglycerin is administered to treat acute angina. but the administration isn’t the first priority.

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2.

Medical treatment of coronary artery disease includes which of the following procedures?
- A.
  
  Cardiac catheterization
- B.
  
  Coronary artery bypass surgery
- C.
  
  Oral medication therapy
- D.
  
  Percutaneous transluminal coronary angioplasty
Correct Answer
C. Oral medication therapy

Explanation
Oral medication administration is a noninvasive. medical treatment for coronary artery disease.Option A: Cardiac catheterization isn’t a treatment. but a diagnostic tool.Options B and D: Coronary artery bypass surgery and percutaneous transluminal coronary angioplasty are invasive. surgical treatments.

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3.

Which of the following is the most common symptom of myocardial infarction (MI)?
- A.
  
  Chest pain
- B.
  
  Dyspnea
- C.
  
  Edema
- D.
  
  Palpitations
Correct Answer
A. Chest pain

Explanation
The most common symptom of an MI is chest pain. resulting from deprivation of oxygen to the heart.Option B: Dyspnea is the second most common symptom. related to an increase in the metabolic needs of the body during an MI.Option C: Edema is a later sign of heart failure. often seen after an MI.Option D: Palpitations may result from reduced cardiac output. producing arrhythmias.

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4.

Which of the following symptoms is the most likely origin of pain the client described as knifelike chest pain that increases in intensity with inspiration?
- A.
  
  Cardiac
- B.
  
  Gastrointestinal
- C.
  
  Musculoskeletal
- D.
  
  Pulmonary
Correct Answer
D. Pulmonary

Explanation
Pulmonary pain is generally described by these symptoms.Options A and B: Cardiac and GI pains don’t change with respiration.Option C: Musculoskeletal pain only increases with movement.

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5.

Which of the following blood tests is most indicative of cardiac damage?
- A.
  
  Lactate dehydrogenase
- B.
  
  Complete blood count (CBC)
- C.
  
  Troponin I
- D.
  
  Creatine kinase (CK)
Correct Answer
C. Troponin I

Explanation
Troponin I levels rise rapidly and are detectable within 1 hour of myocardial injury. Troponin I levels aren’t detectable in people without cardiac injury.Option A: Lactate dehydrogenase (LDH) is present in almost all body tissues and not specific to heart muscle. LDH isoenzymes are useful in diagnosing a cardiac injury.Option B: CBC is obtained to review blood counts. and a complete chemistry is obtained to review electrolytes.Option D: Because CK levels may rise with a skeletal muscle injury. CK isoenzymes are required to detect cardiac injury.

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6.

What is the primary reason for administering morphine to a client with an MI?
- 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
Correct Answer
D. To decrease oxygen demand on the client’s heart

Explanation
Morphine is administered because it decreases myocardial oxygen demand.Options A. B. and C: Morphine will also decrease pain and anxiety while causing sedation. but it isn’t primarily given for those reasons.

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7.

Which of the following conditions is most commonly responsible for myocardial infarction?
- A.
  
  Aneurysm
- B.
  
  Heart failure
- C.
  
  Coronary artery thrombosis
- D.
  
  Renal failure
Correct Answer
C. Coronary artery thrombosis

Explanation
Coronary artery thrombosis causes an inclusion of the artery. leading to myocardial death.Option A: An aneurysm is an outpouching of a vessel and doesn’t cause an MI.Option B: Heart failure is usually a result from an MI.Option D: Renal failure can be associated with MI but isn’t a direct cause.

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8.

Which of the following complications is indicated by a third heart sound (S3)?
- A.
  
  Ventricular dilation
- B.
  
  Systemic hypertension
- C.
  
  Aortic valve malfunction
- D.
  
  Increased atrial contractions
Correct Answer
A. Ventricular dilation

Explanation
Rapid filling of the ventricle causes vasodilation that is auscultated as S3.Option B and D: Increased atrial contraction or systemic hypertension can result in a fourth heart sound.Option C: Aortic valve malfunction is heard as a murmur.

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9.

After an anterior wall myocardial infarction. which of the following problems is indicated by auscultation of crackles in the lungs?
- A.
  
  Left-sided heart failure
- B.
  
  Pulmonic valve malfunction
- C.
  
  Right-sided heart failure
- D.
  
  Tricupsid valve malfunction
Correct Answer
A. Left-sided heart failure

Explanation
The left ventricle is responsible for most of the cardiac output. An anterior wall MI may result in a decrease in left ventricular function. When the left ventricle doesn’t function properly. resulting in left-sided heart failure. fluid accumulates in the interstitial and alveolar spaces in the lungs and causes crackles.Options B. C. and D: Pulmonic and tricuspid valve malfunction cause right-sided heart failure.

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10.

What is the first intervention for a client experiencing MI?
- A.
  
  Administer morphine
- B.
  
  Administer oxygen
- C.
  
  Administer sublingual nitroglycerin
- D.
  
  Obtain an ECG
Correct Answer
B. Administer oxygen

Explanation
Administering supplemental oxygen to the client is the first priority of care. The myocardium is deprived of oxygen during an infarction. so additional oxygen is administered to assist in oxygenation and prevent further damage.Options A and C: Morphine and nitro are also used to treat MI. but they’re more commonly administered after the oxygen.Option D: An ECG is the most common diagnostic tool used to evaluate MI.

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Current Version
Apr 26, 2024

Quiz Edited by
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Sep 21, 2017

Quiz Created by
Santepro

Cardiovascular System | Myocardial Infarction And Heart Failure NCLEX Quiz 12

Which of the following actions is the first priority of care for a client exhibiting signs and symptoms of coronary artery disease?

Medical treatment of coronary artery disease includes which of the following procedures?

Which of the following is the most common symptom of myocardial infarction (MI)?

Which of the following symptoms is the most likely origin of pain the client described as knifelike chest pain that increases in intensity with inspiration?

Which of the following blood tests is most indicative of cardiac damage?

What is the primary reason for administering morphine to a client with an MI?

Which of the following conditions is most commonly responsible for myocardial infarction?

Which of the following complications is indicated by a third heart sound (S3)?

After an anterior wall myocardial infarction. which of the following problems is indicated by auscultation of crackles in the lungs?

What is the first intervention for a client experiencing MI?