ATI RN
RN Nursing Care of Children 2019 With NGN
1. When should a child receive the first dose of the hepatitis B virus (HBV) vaccine if the mother is hepatitis B surface antigen (HBsAg) negative?
- A. 2 months of age, before hospital discharge.
- B. Birth before discharge from the hospital.
- C. 6 months of age, at the third well-child visit.
- D. No time (this vaccine is not currently recommended).
Correct answer: B
Rationale: If the mother is HBsAg negative, it is recommended that the child receives the first dose of the hepatitis B vaccine at birth before discharge from the hospital. This is to provide early protection against the hepatitis B virus. The second dose of the vaccine is typically given at the first well-child visit, and the third dose is usually administered at a later date. The Advisory Committee on Immunization Practices of the Centers for Disease Control and Prevention and the Committee on Infectious Diseases of the American Academy of Pediatrics govern the recommendations for immunization, including the hepatitis B virus vaccine. Choice A is incorrect as the first dose should ideally be given at birth. Choice C is incorrect as waiting until 6 months of age may leave the child vulnerable to infection during the early months of life. Choice D is incorrect as the hepatitis B vaccine is recommended for all newborns, especially if the mother is HBsAg negative, to prevent transmission of the virus.
2. An infant is born with a gastroschisis. Care preoperatively should include which priority intervention?
- A. Prone position
- B. Sterile water feedings
- C. Monitoring serum laboratory electrolytes
- D. Covering the defect with a sterile bowel bag
Correct answer: D
Rationale: The correct priority intervention for an infant with gastroschisis is to cover the exposed abdominal contents with a sterile bowel bag. This action helps protect the intestines from injury, contamination, and dehydration before surgical repair. Choice A, placing the infant in the prone position, is not appropriate as it does not address the immediate need to protect the exposed intestines. Choice B, sterile water feedings, and Choice C, monitoring serum laboratory electrolytes, are not the priority interventions for this condition. Sterile water feedings may not provide the necessary protection for the exposed intestines, and monitoring electrolytes, while important, is secondary to the immediate need for protection and hydration of the exposed abdominal contents.
3. Identification and treatment of cryptorchid testes should be done by age 2 years. What is an important consideration?
- A. Medical therapy is not effective after this age.
- B. Treatment is necessary to maintain the ability to be fertile when older.
- C. The younger child can tolerate the extensive surgery needed.
- D. Sexual reassignment may be necessary if treatment is not successful.
Correct answer: B
Rationale: Early treatment of cryptorchidism is essential to preserve fertility and prevent complications such as testicular cancer. Surgery is usually well-tolerated, and sexual reassignment is not typically related to this condition.
4. During the 2-month well-child checkup, the nurse expects the infant to respond to sound in which manner?
- A. Respond to name
- B. React to loud noise with Moro reflex
- C. Turn his or her head to side when sound is at ear level
- D. Locate sound by turning his or her head in a curving arc
Correct answer: B
Rationale: At 2 months, infants typically react to loud noises with the Moro reflex, a startle response that is normal at this stage of development.
5. What factor predisposes an infant to fluid imbalances?
- A. Decreased surface area
- B. Lower metabolic rate
- C. Immature kidney functioning
- D. Decreased daily exchange of extracellular fluid
Correct answer: C
Rationale: Infants have immature kidneys that are less efficient at concentrating urine, making them more susceptible to fluid imbalances. Their higher surface area to volume ratio also contributes to greater insensible fluid losses.
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