On inspection of a male infant's penis, the NP notes that the urethral orifice appears on the ventral surface of the glans. This finding is consistent with:

The adoptive mother of a 5-month-old child born in another country brings the child to the nurse practitioner's office. The child's medical history is unknown. The mother states that over the past 2 days, the child has been experiencing frequent bouts of crying that are unrelieved by holding. The mother reports that the child's hands and feet are slightly swollen during these episodes. On examination, the child's temperature is 101°F with mild splenomegaly. Sickle cell disease is suspected. This diagnosis may be confirmed by:

In infants, the plantar grasp reflex should disappear by age:

The nurse practitioner is providing anticipatory guidance to the caregiver of a child with cystic fibrosis. The most appropriate advice about dietary management should include:

The child who is at highest risk of contracting pertussis is the:

When assessing a 5-year-old male child suspected of having acute myeloid leukemia (AML), the nurse practitioner should expect:

The first line of treatment for attention deficit-hyperactivity disorder (ADHD) is:

Newborns receive vitamin K soon after birth because:

A 10-year-old patient was recently diagnosed with generalized anxiety disorder (GAD). In addition to psychological treatment, the medication that should be considered for initial treatment is:

The most important factor used to determine the rate of fluid replacement in a child after establishing the degree of dehydration should be the:

A 4-year-old child diagnosed with otitis media continues to experience persistent ear pain after being treated with an antibiotic for 24 hours. The nurse practitioner should: