Stridor.

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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

Stridor.

Explanation:
Stridor is an audible high-pitched, harsh noise caused by turbulent airflow through a narrowed upper airway, such as the larynx or trachea. It typically points to upper-airway obstruction (swelling, foreign body, croup, epiglottitis) and can be a sign of potential airway compromise. Wheezing, by contrast, is a musical sound from the lower airways usually heard during expiration due to bronchospasm or small-airway obstruction. Rales are crackling sounds heard over the lungs from fluid in the air spaces. Bradypnea is simply a slow breathing rate, not a distinctive airway noise.

Stridor is an audible high-pitched, harsh noise caused by turbulent airflow through a narrowed upper airway, such as the larynx or trachea. It typically points to upper-airway obstruction (swelling, foreign body, croup, epiglottitis) and can be a sign of potential airway compromise.

Wheezing, by contrast, is a musical sound from the lower airways usually heard during expiration due to bronchospasm or small-airway obstruction. Rales are crackling sounds heard over the lungs from fluid in the air spaces. Bradypnea is simply a slow breathing rate, not a distinctive airway noise.

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