The nurse knows that children are more susceptible to respiratory tract infections owing to physiological...

(A) Although a child has fewer alveoli than an adult, the child’s respiratory rate is faster. (B) Although a child may use diaphragmatic breathing, the adult exchanges a larger volume of air. (C) The adult has a larger number of alveoli than a child. (D) The child’s chest is rounded whereas the adult chest is more of an oval shape, and the child does exchange a smaller volume of air than an adult.