What is the normal respiratory rate for an adult?

The normal respiratory rate for an adult typically ranges between 12 to 20 breaths per minute. This range reflects a normal, resting state for healthy adults and can vary based on factors such as age, fitness level, and activity.

While the first choice cites 8-20 breaths per minute, which overlaps with the normal range, it begins on the lower end with 8, which is generally considered too low for a resting adult. Normal values are important for assessing respiratory status and can help identify various respiratory conditions or distress.

Understanding the standard respiratory rates is crucial in clinical settings, as deviations from the norm can indicate underlying health issues. The other options suggest rates that are either too high or too low for resting adults, which wouldn't accurately reflect typical physiological parameters. Thus, the correct range should ensure accurate patient assessment to guide appropriate interventions.