CPEN Basic Exam 5

Question 1

Which blood glucose level is considered hypoglycemia in a term neonate during the first 24 hours of life?

Accepted Answer

< 45 mg/dL

Answer

In neonates during the first 24 hours, blood glucose below 45 mg/dL is considered hypoglycemia requiring intervention.

Question 2

A 6-year-old is stung by multiple bees and develops urticaria, angioedema, and wheezing. His blood pressure is 70/40 mmHg. Which route of epinephrine administration is PREFERRED?

Accepted Answer

Intramuscular injection into the anterolateral thigh

Answer

IM epinephrine into the anterolateral thigh is the preferred route for anaphylaxis as it provides the fastest absorption compared to subcutaneous injection.

Question 3

Which finding differentiates bronchiolitis from asthma in an 8-month-old presenting with wheezing and respiratory distress?

Accepted Answer

First episode of wheezing during RSV season with upper respiratory prodrome

Answer

Bronchiolitis typically occurs in infants under 2 years during RSV season, presents as a first wheezing episode with viral URI symptoms, and is distinct from recurrent asthmatic episodes.

Question 4

During a pediatric code, the cardiac monitor shows ventricular fibrillation in a 5-year-old (20 kg). What is the correct initial defibrillation dose?

Accepted Answer

2 J/kg

Answer

The initial defibrillation dose for pediatric VF/pulseless VT is 2 J/kg; subsequent doses are 4 J/kg.

Question 5

A 14-year-old female presents with right lower quadrant pain, nausea, and missed menstrual period. Which diagnostic test is MOST critical to obtain FIRST?

Accepted Answer

Urine or serum pregnancy test

Answer

A pregnancy test must be performed first in any adolescent female with lower abdominal pain to rule out ectopic pregnancy before other imaging.

CPEN - Certified Pediatric Emergency Nurse Practice Test

CPEN - Certified Pediatric Emergency Nurse Practice Test

CPEN Basic Exam 5