Rales (Crackles).

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Prepare for the CIEMT Medical and Physiology Exam. Study with flashcards and multiple-choice questions that feature explanations. Ace your test!

Multiple Choice

Rales (Crackles).

Explanation:
Rales, or crackles, are the fine or coarse crackling sounds heard with a stethoscope, usually during inspiration. They happen when air moves through small airways or alveoli that are fluid-filled or partially collapsed, as seen with edema, pneumonia, or atelectasis. This auditory finding is exactly what the term describes, so it is the best match. The other options describe different respiratory phenomena: slow breathing (bradypnea), work of breathing signs like nasal flaring, and a temporary stop in breathing (apnea).

Rales, or crackles, are the fine or coarse crackling sounds heard with a stethoscope, usually during inspiration. They happen when air moves through small airways or alveoli that are fluid-filled or partially collapsed, as seen with edema, pneumonia, or atelectasis. This auditory finding is exactly what the term describes, so it is the best match. The other options describe different respiratory phenomena: slow breathing (bradypnea), work of breathing signs like nasal flaring, and a temporary stop in breathing (apnea).

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