Which of the following is an abnormal development of the rib cage in which the breastbone grows inward, resulting in a sunken chest wall, and is commonly known as "sunken chest" or "funnel chest"?
pectus excavatum
congenital scoliosis
pectus carinatum
congenital talipes equinovarus
The Correct Answer is A
A. Pectus excavatum is the condition where the sternum grows inward, causing a sunken appearance of the chest wall.
B. Congenital scoliosis is a spinal curvature disorder, not related to rib cage deformity.
C. Pectus carinatum is characterized by a protruding breastbone, also called pigeon chest, the opposite of pectus excavatum.
D. Congenital talipes equinovarus, or clubfoot, affects the foot, not the rib cage.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Food intoxication refers to illness caused by consuming contaminated food, not related to selective eating.
B. Food pervasive refusal is not a recognized term in pediatric feeding behavior.
C. Food jet is not a standard term related to eating behavior.
D. Food jag describes a behavior where a child repeatedly eats only one or a limited number of foods over a period of time, which is common in toddlers and preschoolers.
Correct Answer is ["A","B","C"]
Explanation
A. Always breathing through the nose; Infants are typically obligate nose breathers for the first several months of life, meaning they primarily breathe through their noses.
B. A rounded chest: A rounded or barrel-shaped chest is normal in infants and gradually changes as the child grows.
C. Hearing breath sounds over the entire chest; Due to the thin chest wall in infants, breath sounds are easily transmitted and heard throughout the chest.
D. Pubertal development; This is not a normal finding in infancy; it occurs later during adolescence.
E. Knock-knees; Genu valgum (knock-knees) is a normal variation in toddlers and young children (typically around ages 3–5), not infants.
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