The document discusses respiratory rate and assessment. It provides the normal respiratory rate ranges for newborns through adults. Factors that can influence respiratory rate are then listed, including neurological injury, acid-base status, altitude, medications, fever, exercise, stress, smoking, anxiety, acute pain, and body position. The document also outlines the respiratory assessment process and abnormalities to assess, such as hypoventilation, hyperventilation, tachypnea, and bradypnea.