ACLS - Advanced Cardiovascular Life Support Acute Coronary Syndromes Questions and Answers

Question 1

A 62-year-old male presents with severe, crushing substernal chest pain that started 45 minutes ago.
His SpO2 is 95% on room air.
A 12-lead ECG is obtained and shows ST-segment elevation in leads II, III, and aVF.
His blood pressure is 88/50 mmHg and heart rate is 50 bpm.
Lungs are clear to auscultation.
Which of the following medications is contraindicated?

Accepted Answer

Nitroglycerin

Answer

Aspirin

Answer

Morphine

Answer

Oxygen

Question 2

What is the recommended initial dose of non-enteric coated, chewable aspirin for an adult patient with a suspected Acute Coronary Syndrome?

Accepted Answer

162 to 325 mg

Answer

81 mg

Answer

500 mg

Answer

Aspirin is not indicated in the prehospital setting.

Question 3

A patient with ST-segment elevation myocardial infarction (STEMI) has ongoing chest discomfort despite receiving aspirin and three doses of sublingual nitroglycerin. Which of the following is the most appropriate next step for pain management according to ACLS guidelines?

Accepted Answer

Administer intravenous morphine sulfate.

Answer

Administer another dose of nitroglycerin.

Answer

Administer intravenous beta-blockers.

Answer

Immediately proceed to PCI without further analgesia.

Question 4

Which of the following is the primary goal of treatment for a patient diagnosed with a STEMI?

Accepted Answer

Rapid reperfusion of the infarct-related artery

Answer

Pain control and anxiety reduction

Answer

Normalization of cardiac biomarkers

Answer

Correction of electrolyte abnormalities

Question 5

A 55-year-old female presents to the emergency department with chest pain. A 12-lead ECG is performed within 10 minutes of arrival. Which of the following ECG findings is most indicative of an ST-segment elevation myocardial infarction (STEMI)?

Accepted Answer

New Left Bundle Branch Block (LBBB)

Answer

T-wave inversion in leads V1-V4

Answer

ST-segment depression in leads II, III, and aVF

Answer

Presence of pathological Q waves

Question 6

According to the ACLS algorithm for Acute Coronary Syndromes, supplemental oxygen should be administered to a patient if their oxygen saturation (SpO2) is below what threshold?

Accepted Answer

90%

Answer

98%

Answer

96%

Answer

94%