SentinelU SIM Pediatric Typical (Mateo Lopez) EXAM
MOST RECENT 300 QUESTIONS 2026-2027 WITH
SOLUTIONS & WELL DETAILED RATIONALES JUST
REALEASED
SentinelU SIM Pediatric Typical (Mateo Lopez) — Exam Coverage Summary
Core Domains Tested: Growth & development milestones • Pediatric abdominal pain
assessment • Acute appendicitis recognition • Dehydration classification & management •
Pediatric medication safety • Family-centered communication • Clinical judgment &
prioritization • NONPF core competencies • Immunization schedules • Red flag identification
300 Randomized Multiple-Choice Questions with Answers and Summarized Rationales
Questions 1–50: Growth, Development & Health Assessment
1. Mateo Lopez, age 3, is brought for a well-child visit. His mother reports he can pedal a
tricycle but cannot hop on one foot. The nurse recognizes this as:
A) Gross motor delay requiring immediate referral
B) Expected for age 3, as hopping emerges around age 4
C) Evidence of cerebral palsy
D) Fine motor delay
Answer: B — Hopping on one foot typically emerges at age 4; tricycle riding is a 3-year-old skill
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2. A preschooler's inability to understand that a tall thin glass holds the same amount of
liquid as a short wide glass demonstrates:
A) Attention deficit
B) Conservation failure, typical of Piaget's preoperational stage
C) Receptive language disorder
D) Visual-perceptual deficit
Answer: B — Conservation failure is a hallmark of the preoperational stage (ages 2–7)
3. Mateo speaks in 3–4 word sentences and asks "why" constantly. This language
development is typical for:
A) 18 months
B) 2 years
C) 3 years
D) 5 years
Answer: C — Three-year-olds use 3–4 word sentences and ask many questions
4. A 4-year-old should typically be able to:
A) Tie shoelaces
B) Draw a circle
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C) Write their first name
D) Skip
Answer: B — Drawing a circle is a 4-year-old fine motor milestone; tying shoelaces and writing
names emerge later
5. The nurse notes Mateo engages in associative play. This is characterized by:
A) Playing alone without awareness of others
B) Playing alongside others with similar toys but minimal interaction
C) Playing with others without formal organization
D) Organized play with rules and assigned roles
Answer: C — Associative play involves interacting with others without formal organization;
typical of 4-year-olds
6. According to Erikson, a 3-year-old is in which psychosocial stage?
A) Trust vs. mistrust
B) Autonomy vs. shame
C) Initiative vs. guilt
D) Industry vs. inferiority
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Answer: C — Initiative vs. guilt characterizes ages 3–6, where children assert control through
play and exploration
7. Mateo's mother reports he sometimes wets the bed at night despite being potty trained
during the day. The nurse should:
A) Refer for urology evaluation immediately
B) Reassure that nighttime enuresis is common and often resolves spontaneously
C) Restrict fluids after 4 PM
D) Diagnose a urinary tract infection
Answer: B — Nocturnal enuresis is common in preschoolers and typically resolves with
maturation
8. Which screening tool is most appropriate for developmental assessment of a 3-year-old?
A) M-CHAT
B) Denver II
C) PHQ-9
D) CAGE
Answer: B — The Denver II screens personal-social, fine motor-adaptive, language, and gross
motor domains
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