National Dental Assisting Examining Board (NDAEB) Practice Exam

What term is defined as the total number of breaths taken per minute?

1. Inspiration Rate

2. Respiratory Rate

3. Exhalation Count

4. Pulse Rate

The correct answer is: Respiratory Rate

The term that is defined as the total number of breaths taken per minute is known as the respiratory rate. This measurement is a critical vital sign used to assess an individual's respiratory function and overall health. The respiratory rate provides insight into the efficiency and effectiveness of the respiratory system in delivering oxygen to the body and removing carbon dioxide. It is particularly important in clinical settings where respiratory distress or illness might be present. The respiratory rate is typically assessed by counting the number of breaths a person takes in a minute while they are at rest. A normal range for adults is generally between 12 to 20 breaths per minute, although this can vary based on factors such as age, activity level, and underlying health conditions. In contrast to this, other terms presented do not accurately capture the concept of breath counts per minute. Inspiration rate would refer specifically to the count of inhalations only, while exhalation count would relate solely to the number of breaths expelled. Pulse rate refers to the number of heartbeats per minute, which, while equally important in a clinical assessment, measures a different physiological function.