Questions and Answers with Expert
Explanation (2026/2027 Update) |
Complete A+ Guide
1. A 48-year-old man became unresponsive shortly after presenting
to you with nausea and generalized chest discomfort. You observe
gasping breathing and are unsure if you feel a pulse. You should
know: A. Call for help and begin chest compressions.
B. Wait until breathing stops and then check again for a pulse.
C. Begin chest compressions only if you are certain a pulse is absent.
D. Observe the patient for 2 minutes, then reassess his breathing and
pulse.
, Explanation:: In the presence of an unresponsive patient with gasping
breaths, which can indicate inadequate ventilation or a possible cardiac
arrest, initiating chest compressions is crucial. Compressions should be
started immediately while calling for help, as time is critical in these
situations to restore circulation.
2. Which of the following is the most likely complication of inferior
wall myocardial infarction (MI)? A. Cardiogenic shock B. Ventricular
rupture
C. Bradydysrhythmias
D. Tachydysrhythmias
Explanation:: Inferior wall myocardial infarctions often affect the right
coronary artery, which supplies the inferior part of the heart. This type of
MI can be associated with both bradycardia due to increased vagal tone
and conduction abnormalities because of ischemia to the coronary
conduction pathways.
3. A 52-year-old man is complaining of palpitations that came on
suddenly after walking up a short flight of stairs. His symptoms have