Exam V4 Latest Update Questions Answers Grade

Certified Pediatric Nurse (CPN) Exam V4 (Latest Update 2025 / 2026) Questions & Answers | Grade A | 100% Correct (Verified Answers)

Question:

Which of the following would NOT be considered a pediatric patient at high risk for dehydration?

• 4-year-old male with 30% body surface area burn.
• 7-year-old female with diabetic ketoacidosis
• 12-year-old male with hyperventilation due to anxiety
• 8-year-old male with cellulitis in the right arm.

Answer:

D: Cellulitis, a bacterial skin infection, is not associated with dehydration.

Burns, diabetic ketoacidosis, and hyperventilation may all contribute to dehydration in children.

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Question:

A 15-year-old female is evaluated for an intentional overdose of aspirin. The excessive ingestion of this medication puts the patient at risk for what acid- base disorder?

• Metabolic acidosis.
• Metabolic alkalosis.
• Respiratory acidosis.
• Respiratory alkalosis.

Answer:

A: The ingestion of aspirin (salicylic acid) puts the patient at risk for a

metabolic acidosis due to the acidic medication. Symptoms include drowsiness, confusion, headache, decreased blood pressure, flushed skin, nausea, vomiting, diarrhea and tachypnea.

Question:

Symptoms consistent with a diagnosis of dehydration in children would

include all of the following EXCEPT:

• Thirst.
• Bradycardia.
• Dry mucous membranes.
• Depressed fontanelles.

Answer: 2 / 4

B: Tachycardia, not bradycardia, is a common sign of dehydration in pediatric

patients.Children with dehydration typically are thirsty and have dry mucous membranes, reduced skin turgor, and depressed fontanelles (in infants).

Question:

A 6-year-old female with dehydration due to vomiting is evaluated with a complete blood count (CBC). What lab finding is expected?

• Decreased mean corpuscular (cell) volume (MCV).
• Increased MCV.
• Increased hematocrit.
• Normal red cell distribution width (RDW).

Answer:

C: Due to volume loss, the hematocrit will be elevated as red blood cells

become more concentrated in the blood. The MCV test shows the average size of the red blood cells and helps to determine the type of anemia while RDW shows the variations in cell size, important for some types of anemia (such as pernicious anemia).

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Question:

What is the leading cause of death in children in developing countries?

• Accidental trauma.

B. TB.

C. AIDS.

• Infectious diarrhea.

Answer:

D: Infectious diarrhea remains the leading cause of death in developing

countries.Outbreaks of diarrhea are common in areas with poor sanitation that allows food and water to become contaminated with bacteria, such as E. coli or Shigella.

Question:

What is the most common cause of viral (non-bacterial) diarrhea in pediatric patients?

• Rotavirus.
• Parainfluenza.
• Influenza.
• Parvovirus B19.

Answer:

A: Rotavirus is the most common cause for viral diarrhea in children and may

be

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