Cardiac Vascular Nursing Certification Practice Exam 2025 - Free Cardiac Vascular Nursing Practice Questions and Study Guide

Question: 1 / 400

Which grade of murmur is described as very faint and barely audible?

Grade II

Grade IV

Grade I

The classification of heart murmurs is based on their intensity, with grade I being the faintest possible sound. A grade I murmur is characterized as very faint and barely audible, often requiring careful listening with a stethoscope in a quiet environment. These murmurs are typically detected only under optimal conditions and are often described as soft or subtle.

In contrast, higher grades indicate increasing intensity. For example, grade II murmurs are considered faint but more easily heard than grade I. Grades IV and V involve much louder sounds, with grade V being very loud and potentially observable without the use of a stethoscope. Thus, the distinction between these grades is critical for understanding the clinical implications of the murmur’s significance in cardiovascular assessment.

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Grade V

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