NURSING 101Chapter 36: Alterations of Pulmonary Function in Children

How does chest wall compliance in an infant differ from that of an adult? a. An adultÕs chest wall compliance is lower than an infantÕs. b. An adultÕs chest wall compliance is higher than an infantÕs. c. An adultÕs chest wall compliance is the same as an infantÕs. d. An adultÕs chest wall compliance is dissimilar to that of an infantÕs. ANS: A Chest wall compliance is higher in infants than it is in adults, particularly in premature infants. PTS: 1 REF: Page 1292 2. Why is nasal congestion a serious threat to young infants? a. Infants are obligatory nose breathers. b. Their noses are small in diameter. c. Infants become dehydrated when mouth breathing. d. Their epiglottis is proportionally greater than the epiglottis of an adultÕs. ANS: A Infants up to 2 to 3 months of age are obligatory nose breathers and are unable to breathe in through their mouths. Nasal congestion is therefore a serious threat to a young infant. This selection is the only option that accurately describes why nasal congestion is a serious threat to young infants. PTS: 1 REF: Page 1290 3. The risk for respiratory distress syndrome (RDS) decreases for premature infants when they are born between how many weeks of gestation?