The nurse is assessing the respiratory system of a newborn. Which anatomic differences place the infant at risk for respiratory compromise? Select all that apply
A) The nasal passages are narrower.
B) The trachea and chest wall are less compliant.
C) The bronchi and bronchioles are shorter and wider.
D) The larynx is more funnel shaped.
E) The tongue is smaller.
F) There are significantly fewer alveoli.
Ans: A, D, F
In comparison with the adult, in the infant, the nasal passages are narrower, the trachea and chest wall are more compliant, the bronchi and bronchioles are shorter and narrower, the larynx is more funnel shaped, the tongue is larger, and there are significantly fewer alveoli. These anatomic differences place the infant at higher risk for respiratory compromise. The respiratory system does not reach adult levels of maturity until about 7 years of age.
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