ATI RN
Nursing Care of Children ATI
1. Which characteristic best describes the fine motor skills of an infant at age 5 months?
- A. Neat pincer grasp
- B. Strong grasp reflex
- C. Builds a tower of two cubes
- D. Able to grasp object voluntarily
Correct answer: D
Rationale: By 5 months, infants develop the ability to grasp objects voluntarily, showing improved motor control. The neat pincer grasp and building towers are skills that develop later.
2. Which finding suggests fluid volume deficit in an infant presenting with vomiting and diarrhea for 2 days?
- A. Increased blood pressure
- B. A sunken fontanel
- C. Decreased pulse rate
- D. Low urine specific gravity
Correct answer: B
Rationale: A sunken fontanel is a classic sign of dehydration in infants, indicating a fluid volume deficit. In dehydration, the fontanel sinks due to decreased fluid volume in the body. Increased blood pressure (Choice A) is not typically associated with dehydration in infants. Decreased pulse rate (Choice C) is not a common finding in fluid volume deficit, as the body tries to increase the heart rate to compensate for decreased volume. Low urine specific gravity (Choice D) may be seen in dehydration, but it is not as specific or as easily observable as a sunken fontanel.
3. By which age should the nurse expect that an infant will be able to pull to a standing position?
- A. 5 to 6 months
- B. 7 to 8 months
- C. 11 to 12 months
- D. 14 to 15 months
Correct answer: C
Rationale: Pulling to a standing position typically occurs between 11 to 12 months, marking the progression towards walking.
4. Which pediatric disorder is associated with a 'boot-shaped' heart on a chest x-ray?
- A. Tetralogy of Fallot
- B. Transposition of the great arteries
- C. Coarctation of the aorta
- D. Ventricular septal defect
Correct answer: A
Rationale: The correct answer is A: Tetralogy of Fallot. Tetralogy of Fallot is often associated with a 'boot-shaped' heart appearance on a chest x-ray due to the characteristic heart anatomy in this condition. This appearance is caused by the combination of pulmonary stenosis, overriding aorta, ventricular septal defect, and right ventricular hypertrophy. Choice B, Transposition of the great arteries, is incorrect because it presents with a 'egg-on-a-string' appearance on x-ray due to the abnormal position of the aorta and pulmonary artery. Choice C, Coarctation of the aorta, typically presents with rib notching on x-ray. Choice D, Ventricular septal defect, does not produce the 'boot-shaped' heart appearance seen in Tetralogy of Fallot.
5. What major complication is associated with a child with chronic renal failure?
- A. Hypokalemia
- B. Metabolic alkalosis
- C. Water and sodium retention
- D. Excessive excretion of blood urea nitrogen
Correct answer: C
Rationale: Water and sodium retention is a major complication in chronic renal failure, leading to hypertension and edema. Hypokalemia and metabolic alkalosis are less common, and while BUN levels rise, retention rather than excretion is problematic in chronic renal failure.
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