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A 2-Day-Old Boy Is Evaluated in the Newborn Nursery

question 287

Multiple Choice

A 2-day-old boy is evaluated in the newborn nursery. The patient was born at an estimated 40 weeks gestation to a 26-year-old primigravida who received no prenatal care. He has been taking 30 mL (1 oz) of a cow's milk-based formula every 3 hours since birth. The mother says the boy seems uncomfortable. She is worried about dehydration because he has been spitting up formula after his last few feeds and has only had one damp diaper and a single stool since birth. Birth weight was 3,200 g (7 lb 1 oz) , and weight today is 3,260 g (7 lb 3 oz) . Temperature is 36.7 C (98.1 F) , pulse is 150/min, and respirations are 66/min. Pulse oximetry is 88%on room air. Lung examination shows diminished breath sounds bilaterally. Cardiac examination is normal. The abdomen is distended. The urethral meatus appears intact. A small sacral dimple with intact skin overlies the coccyx. His skin is warm and pink. Chest radiograph reveals diminished lung volumes bilaterally with a normal heart size. The patient is placed on supplemental oxygen. Which of the following is the best next step in the evaluation of this patient's condition?

Definitions:

Substitute

Replacement items or alternatives that consumers may choose, which impacts market demand and competition among sellers.

Demand Curve

A graphical representation showing the relationship between the price of a good or service and the quantity demanded by consumers over a range of prices.

Inferior Goods

Goods whose demand decreases when consumers' income increases. They are the opposite of normal goods, which see increased demand with higher income.

Income Increase

A rise in the amount of money received, especially by workers or businesses, over a specific period.