a nurse is performing a developmental screening on a 4 year old child which of the following tasks should the nurse expect the child to perform

ATI RN

ATI Pediatrics Proctored Exam 2023

1. During a developmental screening, a 4-year-old child is asked to perform a task. Which of the following tasks should the nurse expect the child to perform?

A. Draw a stick figure with seven body parts
B. Draw a circle
C. Identify right from left hand
D. Tie their shoelaces

Correct answer: B

Rationale: At 4 years old, children are typically able to draw a circle, which is a developmental milestone for their age. Drawing a stick figure with specific body parts might be beyond their developmental level, identifying right from left hand can be challenging, and tying shoelaces requires more advanced motor skills.

2. The renin-angiotensin-aldosterone system plays an important role in maintaining blood pressure. Which compound in this system is most powerful at raising blood pressure?

A. Angiotensin I
B. Angiotensin II
C. Angiotensin III
D. Renin

Correct answer: B

Rationale: Angiotensin II is the most potent compound in the renin-angiotensin-aldosterone system for raising blood pressure. It acts as a powerful vasoconstrictor, leading to increased systemic vascular resistance. Angiotensin II is formed from angiotensin I through the action of the angiotensin-converting enzyme. While renin initiates the cascade by converting angiotensinogen to angiotensin I, it is angiotensin II that exerts the strongest pressor effect.

3. Why is the specific gravity for infants lower than for older children?

A. Infants have a greater body surface area.
B. Infants have a higher basal metabolic rate.
C. Infants have a greater percentage of body weight that is water.
D. Infants' kidneys are less able to concentrate urine.

Correct answer: D

Rationale: The correct answer is D because infants' kidneys are less developed compared to older children, making them less efficient at concentrating urine. This results in a lower specific gravity in infants. The other choices do not directly explain why the specific gravity is lower in infants.

4. A child is being treated for dehydration with intravenous fluids. The child currently weighs 13 kg and is estimated to have lost 7% of his normal body weight. The nurse is double-checking the IV rate the healthcare provider prescribed. The formula the healthcare provider used was for maintenance fluids: 1000 mL for 10 kg of body weight plus 50 mL for every kilogram over 10 for 24 hours. Replacement fluid is the percentage of lost body weight � 10 per kg of body weight. According to the calculation for maintenance plus replacement fluid, which hourly IV rate will the nurse implement for 24 hours?

A. 88 mL/hr
B. 86 mL/hr
C. 81 mL/hr
D. 83 mL/hr

Correct answer: B

Rationale: For 13 kg, the maintenance fluid is 1150 mL (1000 mL for first 10 kg + 3*50 mL for the remaining 3 kg). Replacement fluid is 910 mL (0.07 * 13000 mL). Total fluid is 2060 mL, divided by 24 hours is 86 mL/hr.

5. What side effect should the nurse include in the parent teaching for a child prescribed a baclofen pump for cerebral palsy?

A. Diarrhea
B. Hypertonia
C. Hypotonia
D. Restlessness

Correct answer: C

Rationale: When a child is prescribed a baclofen pump for cerebral palsy, one of the common side effects to include in parent teaching is hypotonia. Baclofen, a muscle relaxant, can lead to decreased muscle tone, resulting in hypotonia. It is important for parents to be aware of this potential side effect and know how to respond accordingly.