When assessing breathing, which four aspects are evaluated?

• A. Rate, Rhythm, Quality of Breathing, Depth of Breathing
• B. Rate, Rhythm, Quality of Breathing, Oxygen Saturation
• C. Rate, Rhythm, Depth of Breathing, Tidal Volume
• D. Rate, Oxygen Saturation, Quality of Breathing, Depth of Breathing

Answer: (A)

Assessing how a patient breathes looks at four observable features of the breathing pattern: rate, rhythm, depth, and the quality or effort of breathing. Rate is simply how many breaths occur per minute. Rhythm checks whether those breaths are evenly spaced or irregular. Depth describes how deep each breath is—shallow, normal, or deep. Quality or effort captures how hard the patient is working to breathe, including chest wall movement, use of accessory muscles, nasal flaring, grunting, and audible sounds.

This combination is the best because it gives a quick, bedside view of ventilatory pattern and work of breathing. Oxygen saturation is a separate measurement of oxygenation, not a pattern of breathing, and tidal volume is a quantitative volume per breath that isn’t routinely estimated in everyday bedside assessment.