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N158 nursing care of infants exam (paediatrics)

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Total Questions : 43

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Question 1:

A 9-year-old presents with scalp pruritus. The nurse finds oval white capsules attached to hair shafts within ¼ inch of the scalp. What is the best interpretation?

Answer and Explanation

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Question 2:

Identify which burns count toward total body surface area (TBSA) calculation. Select all that apply.

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Question 3:

An infant with GERD presents with frequent post-feed vomiting, irritability, and poor weight gain. Which nursing interventions are appropriate? Select all that apply.

Answer and Explanation

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Question 4:

An infant with classic salt-wasting congenital adrenal hyperplasia is admitted with vomiting and lethargy.Which findings should the nurse expect? Select all that apply.

Answer and Explanation

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Question 5:

Children with head lice should be ________

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Question 6:

A 2-month-old infant is diagnosed with a unilateral cleft lip. Which nursing interventions are appropriate to support feeding? Select all that apply.

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Question 7:

A 10-year-old burn patient with 30% TBSA shows the following changes in since the start of your shift three hours ago:

Parameter

Start of shift

Current

Heart rate (bpm)

105

145

Blood pressure (mm Hg)

110/70

88/54

Urine output

1.2 mL/kg/hr

0.3 mL/kg/hr

Which interpretation is most accurate?

Answer and Explanation

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Question 8:

A 12-year-old with type 1 diabetes mellitus is preparing to eat lunch. Their meal tray includes:

1 slice of bread = 15 g carbohydrates

1 medium apple = 25 g carbohydrates

1 cup milk = 12 g carbohydrates

1 granola bar = 23 g carbohydrates

Their pre-meal blood glucose is 193 g/dL. Insulin parameters are as follows:

Target blood glucose: 80-120 mg/dL

Insulin-to-carbohydrate ratio: 1 unit of insulin per 15 grams of carbohydrate (1:15)

Correction dose of insulin:

Pre-meal blood glucose 121-180 mg/dL: 1 unit

Pre meal blood glucose 181-200 mg/dL: 2 units

What is the total amount of insulin the patient will require?

Answer and Explanation
Correct Answer: "7" units

Explanation

Calculate the Carbohydrate Coverage Dose

Calculate the total amount of carbohydrates in the meal.

Bread: 15 g

Apple: 25 g

Milk: 12 g

Granola bar: 23 g

Total Carbohydrates = 15g+25g+12g+23g

=75g

Calculate the insulin dose for carbohydrate coverage.

The Insulin-to-Carbohydrate ratio is 1 unit per 15 grams (1:15).

Carbohydrate dose (units) = Total Carbohydrates (g) / Insulin-to-Carbohydrate ratio (g/unit)

= 75g/15g/unit

=5units

Calculate the Correction Dose

Determine the required correction dose based on the pre-meal blood glucose (BG).

Pre-meal BG: 193 mg/dL

Correction dose parameter: Pre-meal blood glucose 181-200 mg/dL: 2 units

Since 193mg/dL falls within the 181−200mg/dL range, the correction dose is 2 units.

Part 3: Calculate the Total Insulin Dose

Calculate the total amount of insulin required.

Total insulin = Carbohydrate dose + Correction dose

= 5units+2units=7units


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Question 9:

During patient and family teaching, the nurse explains that the most common cause of hemolytic uremic syndrome (HUS) in children is exposure to

and that long-term follow-up is important because children may later develop .

Answer and Explanation

Explanation

Rationale for Correct Choices:

  • E. coli: The most common cause of hemolytic uremic syndrome (HUS) in children is infection with Escherichia coli, particularly the Shiga toxin–producing strain O157:H7. This toxin damages endothelial cells, leading to hemolysis, thrombocytopenia, and acute kidney injury.
  • Chronic kidney disease: Although many children recover after an acute episode of HUS, long-term follow-up is critical because some develop chronic kidney disease. Persistent renal damage may lead to proteinuria, hypertension, or end-stage kidney disease years later.

Rationale for Incorrect Choices:

  • Vesicoureteral reflux (VUR): VUR is a urinary tract condition where urine flows backward into the ureters. It is not infectious and does not cause HUS.
  • Staphylococcus aureus: This bacterium is associated with skin infections, toxic shock syndrome, and sepsis, but it does not commonly trigger HUS in children.
  • Enuresis: Bedwetting is a urinary symptom, not a complication of HUS. It does not reflect the long-term renal outcomes of the disease.
  • Influenza: A viral respiratory infection, influenza is not linked to the development of HUS.
  • Appendicitis: This is an acute surgical condition and unrelated to the hemolysis and renal failure seen in HUS.
  • Varicella: Chickenpox is caused by the varicella-zoster virus. It is not a typical cause of HUS in pediatric patients

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Question 10:

A 2-year-old presents with fever, vomiting, poor appetite, and foul-smelling urine. Which additional findings support a likely diagnosis of a urinary tract infection?

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