ATI RN
RN Nursing Care of Children Online Practice 2019 A
1. What physiologic state(s) produces the clinical manifestations of nervous system stimulation and excitement, such as overexcitability, nervousness, and tetany?
- A. Metabolic acidosis
- B. Respiratory alkalosis
- C. Metabolic and respiratory acidosis
- D. Metabolic and respiratory alkalosis
Correct answer: D
Rationale: Both metabolic and respiratory alkalosis can cause overexcitability and nervous system stimulation due to a decrease in ionized calcium levels, which can cause symptoms such as tetany and paresthesias. Acidosis typically has the opposite effect, leading to depression of the nervous system.
2. The nurse is assessing a 3-day-old breastfed newborn who weighed 3400 g (7 pounds, 8 oz) at birth. The infant’s mother is now concerned because the infant weighs 3147 g (6 pounds, 15 oz). The most appropriate nursing intervention is what?
- A. Recommend supplemental feedings of formula.
- B. Explain that this weight loss is within normal limits.
- C. Assess the child further to determine the cause of excessive weight loss.
- D. Encourage the mother to express breast milk for bottle-feeding the infant.
Correct answer: B
Rationale: A neonate normally loses about 10% of the birth weight by age 3 to 4 days. The birth weight is usually regained by the 10th day of life. In this case, the weight loss from 3400 g to 3147 g is within the expected range. Therefore, the most appropriate action is to explain to the mother that this weight loss is within normal limits. Choice A is incorrect because supplemental feedings of formula are not indicated for this expected weight loss in a breastfed newborn. Choice C is incorrect as there is no evidence to suggest excessive weight loss at this point. Choice D is unnecessary at this stage and may not align with the current situation of normal weight loss post-birth.
3. Which heart sound is produced by vibrations within the heart chambers or in the major arteries from the back-and-forth flow of blood?
- A. S1 and S2
- B. S3 and S4
- C. Murmur
- D. Physiologic splitting
Correct answer: C
Rationale: A murmur is produced by turbulent blood flow within the heart or major arteries, resulting in audible vibrations.
4. The nurse is providing anticipatory guidance to the parent of a 9-month-old infant during a well-baby visit. Which topic would be most appropriate?
- A. Cautioning about putting the infant in a walker
- B. Advising how to create a toddler-safe home
- C. Instructing on safety procedures during baths
- D. Warning about leaving small objects on the floor
Correct answer: D
Rationale: The correct answer is D because at 9 months, infants become more mobile, increasing the risk of choking hazards from small objects left on the floor. Cautioning about putting the infant in a walker (Choice A) is not as crucial at this age as warning about choking hazards. While advising how to create a toddler-safe home (Choice B) is essential, the most critical concern at 9 months is small objects. Instructing on safety procedures during baths (Choice C) is important but does not address the immediate risk of choking hazards associated with small objects.
5. 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.
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