Which of the following complications should a nurse expect in preterm newborns?

• A. Hyperbilirubinemia
• B. Hypoglycemia
• C. Apnea
• D. All of the above

Answer: (D)

In the context of preterm newborns, it is crucial to understand that they are at a greater risk for a variety of complications due to their underdeveloped organs and systems. Each of the mentioned conditions—hyperbilirubinemia, hypoglycemia, and apnea—are indeed common issues that can arise in this population.

Hyperbilirubinemia refers to an excess of bilirubin in the blood, which occurs due to the liver's immaturity in processing waste products. Preterm infants often experience jaundice because their livers are not sufficiently developed to adequately conjugate and eliminate bilirubin.

Hypoglycemia, or low blood sugar, can occur in preterm newborns due to inadequate glucose stores, immature liver function, and potential feeding difficulties. Their inability to maintain stable blood glucose levels makes them susceptible to this condition.

Apnea, characterized by pauses in breathing lasting more than 20 seconds, is prevalent in preterm infants as their respiratory control is still developing. These episodes can be related to immaturity of the central nervous system and can lead to significant distress if not monitored and managed properly.

Because preterm newborns are susceptible to all three of these complications due to their physiological immaturity and high risk for instability, the correct choice encompasses