ATI RN
RN Nursing Care of Children Online Practice 2019 A
1. What is the most critical physiologic change required of newborns at birth?
- A. Transition from fetal to neonatal breathing
- B. Body temperature maintenance
- C. Stabilization of fluid and electrolytes
- D. Closure of fetal shunts in the heart
Correct answer: A
Rationale: The correct answer is A: Transition from fetal to neonatal breathing. The onset of breathing is the most immediate and critical physiologic change required for the transition to extrauterine life. Factors that interfere with this normal transition increase fetal asphyxia, which is a condition of hypoxemia, hypercapnia, and acidosis. While body temperature maintenance, stabilization of fluid and electrolytes, and closure of fetal shunts in the heart are crucial changes in the transition to extrauterine life, breathing and the exchange of oxygen for carbon dioxide must take precedence as they are essential for newborn survival.
2. What name is given to inflammation of the bladder?
- A. Cystitis
- B. Urethritis
- C. Urosepsis
- D. Bacteriuria
Correct answer: A
Rationale: Cystitis is the medical term for inflammation of the bladder. Urethritis refers to inflammation of the urethra, urosepsis to a systemic infection stemming from the urinary tract, and bacteriuria to the presence of bacteria in the urine.
3. Apgar scoring is conducted at 1 minute and 5 minutes after birth. It is used to determine:
- A. Major body systems’ responses at birth
- B. Future intelligence of the newborn
- C. Level of parent and newborn interaction
- D. Gestational age of the newborn
Correct answer: A
Rationale: The Apgar score assesses a newborn's physical condition immediately after birth by evaluating heart rate, respiratory effort, muscle tone, reflex response, and color. Therefore, the correct answer is A. The other choices are incorrect because B) the Apgar score does not predict future intelligence, C) it does not measure parent and newborn interaction, and D) it is not used to determine gestational age.
4. What is the best age to introduce solid food into an infant’s diet?
- A. 2 to 3 months
- B. 4 to 6 months
- C. When birth weight has tripled
- D. When tooth eruption has started
Correct answer: B
Rationale: The introduction of solid foods is recommended at 4 to 6 months when the infant's digestive system is more developed and ready for solids.
5. The LPN is assessing for fontanels on the head of a 6-month-old. Which fontanel is expected to still be present?
- A. Posterior
- B. Anterior
- C. Sphenoid
- D. Lambdoid
Correct answer: B
Rationale: The correct answer is B: Anterior. The anterior fontanel usually remains open until about 12-18 months of age, while the posterior fontanel closes by 2-3 months. Choices A, C, and D are incorrect as the posterior fontanel closes by 2-3 months of age, and the sphenoid and lambdoid fontanels are not typically assessed in routine infant head examinations.
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