The therapeutic effect of phototherapy depends on the following factors EXCEPT

Correct Answer: D

Rationale: The therapeutic effect of phototherapy is influenced by distance, skin color, and exposed skin area, but not by in vivo bilirubin metabolism. The other factors are important for phototherapy efficacy.

Correct Answer: D

Rationale: Lumbosacral agenesis is not one of the most common congenital anomalies in infants of diabetic mothers. Common anomalies include cardiac defects, neural tube defects, and others.

Correct Answer: D

Rationale: Postauricular, occipital, and cervical lymphadenopathy are characteristic signs of rubella, often preceding the rash.

Correct Answer: C

Rationale: The boy meets the Jones criteria with two major (carditis, polyarthritis) and two minor (CRP, ASOT) criteria, confirming rheumatic fever.

Correct Answer: A

Rationale: When a patient is suspected to have a possible skull fracture, the nurse should observe him for signs of brain injury. Signs of brain injury can include changes in level of consciousness, altered pupil size or reaction to light, slurred speech, weakness or numbness in extremities, seizures, severe headache, vomiting, and vision changes. Monitoring for these signs would help in early detection of any worsening condition or complications related to the skull fracture. It is crucial to assess and monitor the patient's neurological status closely to provide timely interventions and prevent further damage.