CAMRT Radiography Practice Exam

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How many breaths per minute are typical for an adult?

12 - 20 breaths/min
15 - 20 breaths/min
20 - 25 breaths/min
30 - 40 breaths/min

The correct answer is: 15 - 20 breaths/min

The typical respiratory rate for an adult at rest ranges from 12 to 20 breaths per minute. This range is important as it indicates a normal level of pulmonary function and gas exchange. Breathing rates can vary based on several factors, including age, activity level, and overall health, but the standard range encompasses the majority of the adult population under resting conditions. The choice suggesting 15 - 20 breaths per minute is a subset of the broader normal range. While it presents a reasonable estimate, the full range of 12 - 20 breaths per minute captures a more comprehensive understanding of normal adult respiration, accommodating individuals whose rates might be slightly below or slightly above this estimate, while still remaining within physiological norms. Understanding the normal respiratory rate is crucial for healthcare professionals in assessing a patient's respiratory health and identifying potential abnormalities.