NCLEX Questions, NCLEX RN Practice Questions Free Questions, NCLEX-RN Questions, Nurselytic

Correct Answer: D

Rationale: Any infant would be at risk for hyperglycemia because the infant's liver is missing the islets of Langerhans, which secrete insulin to break down glucose for cellular use. Prematurity is not an added risk for hyperglycemia. Both premature and mature infants can be at risk for hypoglycemia if their mother had gestational diabetes during pregnancy or entered the pregnancy with diabetes mellitus. These infants are exposed to high levels of maternal glucose while in utero, which causes the islets of Langerhans in the infant's liver to produce insulin. After birth when the umbilical cord is severed, the generous amount of maternal blood glucose is eliminated; however, there is continued islet cell hyperactivity in the infant's liver, which can lead to excessive insulin levels and depleted blood glucose. Mature infants are born with an immature GI system. The nervous control of the stomach is incomplete at birth, salivary glands are immature at birth, and the intestinal tract is sterile. This is not the greatest risk to a premature infant. The greatest risk to a premature infant is the lack of development of the lungs, which can lead to respiratory distress syndrome due to insufficient surfactant production.

Correct Answer: A

Rationale: These clients are at high risk for seizures during the 1st week after cessation of alcohol intake. Fluid intake should be increased to prevent dehydration. Environmental stimuli should be decreased to prevent precipitation of seizures. Application of restraints may cause the client to increase his or her physical activity and may eventually lead to exhaustion.

Correct Answer: C

Rationale: Increased PaCO2 is present in both acute and chronic respiratory acidosis due to hypoventilation. Decreased PaO2 may occur in respiratory acidosis but does not differentiate acute from chronic. Increased HCO3 indicates renal compensation, which occurs in chronic respiratory acidosis as the body attempts to buffer the excess CO2, but not in acute cases where compensation has not yet occurred. Decreased base excess is not specific to differentiating acute from chronic respiratory acidosis.

Correct Answer: C

Rationale: With a pneumothorax, air occupies the pleural space. Crackles or rales are heard with increased fluid or secretions and would not be present with air in the space. With a pneumothorax, the client would experience tachypnea and tachycardia to compensate for the decrease in oxygenation. Symptoms of pneumothorax include shortness of breath, sharp pain on the affected side with movement or coughing, asymmetrical chest expansion, and diminished or absent breath sounds on the affected side. With a pneumothorax, breath sounds would be decreased on the affected side (indicates air in the pleural space).

Correct Answer: A

Rationale: Furosemide, a loop diuretic, causes potassium loss, risking hypokalemia, requiring monitoring. Hyperglycemia, hypertension, and weight gain are not primary concerns.