ATI PEDIATRICS EXAM
2026/2027 | NURSING |
PEDIATRICS | 100 VERIFIED
Q&A | DETAILED
RATIONALES | NGN-ALIGNED
| PASS GUARANTEED – A+
GRADED
STUDYGUIDESOLUTIONS
,1
ATI PEDIATRICS EXAM 2026/2027 | NURSING | PEDIATRICS
| 100 VERIFIED Q&A | DETAILED RATIONALES | NGN-
ALIGNED | PASS GUARANTEED – A+ GRADED
SECTION 1: GROWTH AND DEVELOPMENT – Questions 1-15 (15% Weight)
Q1: Infant Development – Birth Weight
An infant's birth weight typically doubles by what age?
A. 3 months
B. 5 months
C. 6 months
D. 12 months
Correct Answer: B
Rationale: An infant's birth weight typically doubles by 5 months and triples by 12 months. This is a
key indicator of adequate nutrition and growth.
Q2: Infant Development – Head Circumference
Head circumference increases by approximately how much in the first year?
A. 2 cm
B. 5 cm
C. 10 cm
D. 15 cm
Correct Answer: C
Rationale: Head circumference increases by approximately 10 cm during the first year, reflecting
rapid brain growth. It is measured at each well-child visit.
Q3: Toddler Development – Gross Motor
At what age does a toddler typically begin to walk independently?
A. 6-8 months
B. 9-11 months
C. 12-15 months
D. 18-24 months
Correct Answer: C
Rationale: Most toddlers begin to walk independently between 12 and 15 months. By 18 months,
most can run and climb stairs with assistance.
Q4: Toddler Development – Language
How many words does a toddler typically have in their vocabulary by 2 years of age?
A. 10-20 words
B. 50-100 words
C. 200-300 words
D. 500-1000 words
, 2
Correct Answer: C
Rationale: By 2 years of age, a toddler typically has a vocabulary of 200-300 words and can speak in
two- to three-word sentences.
Q5: Preschool Development – Erikson
According to Erikson, what is the developmental task of the preschooler (3-6 years)?
A. Trust vs. Mistrust
B. Autonomy vs. Shame and Doubt
C. Initiative vs. Guilt
D. Industry vs. Inferiority
Correct Answer: C
Rationale: The preschooler's developmental task is Initiative vs. Guilt. They explore their
environment, initiate activities, and assert their independence, but may feel guilty if they overstep
boundaries.
Q6: School-Age Development – Erikson
According to Erikson, what is the developmental task of the school-age child (6-12 years)?
A. Initiative vs. Guilt
B. Industry vs. Inferiority
C. Identity vs. Role Confusion
D. Intimacy vs. Isolation
Correct Answer: B
Rationale: The school-age child's developmental task is Industry vs. Inferiority. They develop
competence through school, hobbies, and peer relationships, but may feel inferior if they fail to
meet expectations.
Q7: Adolescent Development – Piaget
According to Piaget, what is the cognitive developmental stage of the adolescent?
A. Sensorimotor
B. Preoperational
C. Concrete operational
D. Formal operational
Correct Answer: D
Rationale: Adolescents (11 years and older) are in Piaget's Formal Operational stage, characterized
by abstract thinking, hypothetical reasoning, and problem-solving.
Q8: Infant Reflexes – Moro
What is the Moro reflex?
A. A startle response where the infant extends arms and legs and then pulls them in
B. A rooting reflex
C. A sucking reflex
D. A grasp reflex
Correct Answer: A
Rationale: The Moro reflex is a startle response that occurs when the infant is startled or feels a
sudden change in position. The infant extends arms and legs, then pulls them in. It disappears by 4-6
months.
2026/2027 | NURSING |
PEDIATRICS | 100 VERIFIED
Q&A | DETAILED
RATIONALES | NGN-ALIGNED
| PASS GUARANTEED – A+
GRADED
STUDYGUIDESOLUTIONS
,1
ATI PEDIATRICS EXAM 2026/2027 | NURSING | PEDIATRICS
| 100 VERIFIED Q&A | DETAILED RATIONALES | NGN-
ALIGNED | PASS GUARANTEED – A+ GRADED
SECTION 1: GROWTH AND DEVELOPMENT – Questions 1-15 (15% Weight)
Q1: Infant Development – Birth Weight
An infant's birth weight typically doubles by what age?
A. 3 months
B. 5 months
C. 6 months
D. 12 months
Correct Answer: B
Rationale: An infant's birth weight typically doubles by 5 months and triples by 12 months. This is a
key indicator of adequate nutrition and growth.
Q2: Infant Development – Head Circumference
Head circumference increases by approximately how much in the first year?
A. 2 cm
B. 5 cm
C. 10 cm
D. 15 cm
Correct Answer: C
Rationale: Head circumference increases by approximately 10 cm during the first year, reflecting
rapid brain growth. It is measured at each well-child visit.
Q3: Toddler Development – Gross Motor
At what age does a toddler typically begin to walk independently?
A. 6-8 months
B. 9-11 months
C. 12-15 months
D. 18-24 months
Correct Answer: C
Rationale: Most toddlers begin to walk independently between 12 and 15 months. By 18 months,
most can run and climb stairs with assistance.
Q4: Toddler Development – Language
How many words does a toddler typically have in their vocabulary by 2 years of age?
A. 10-20 words
B. 50-100 words
C. 200-300 words
D. 500-1000 words
, 2
Correct Answer: C
Rationale: By 2 years of age, a toddler typically has a vocabulary of 200-300 words and can speak in
two- to three-word sentences.
Q5: Preschool Development – Erikson
According to Erikson, what is the developmental task of the preschooler (3-6 years)?
A. Trust vs. Mistrust
B. Autonomy vs. Shame and Doubt
C. Initiative vs. Guilt
D. Industry vs. Inferiority
Correct Answer: C
Rationale: The preschooler's developmental task is Initiative vs. Guilt. They explore their
environment, initiate activities, and assert their independence, but may feel guilty if they overstep
boundaries.
Q6: School-Age Development – Erikson
According to Erikson, what is the developmental task of the school-age child (6-12 years)?
A. Initiative vs. Guilt
B. Industry vs. Inferiority
C. Identity vs. Role Confusion
D. Intimacy vs. Isolation
Correct Answer: B
Rationale: The school-age child's developmental task is Industry vs. Inferiority. They develop
competence through school, hobbies, and peer relationships, but may feel inferior if they fail to
meet expectations.
Q7: Adolescent Development – Piaget
According to Piaget, what is the cognitive developmental stage of the adolescent?
A. Sensorimotor
B. Preoperational
C. Concrete operational
D. Formal operational
Correct Answer: D
Rationale: Adolescents (11 years and older) are in Piaget's Formal Operational stage, characterized
by abstract thinking, hypothetical reasoning, and problem-solving.
Q8: Infant Reflexes – Moro
What is the Moro reflex?
A. A startle response where the infant extends arms and legs and then pulls them in
B. A rooting reflex
C. A sucking reflex
D. A grasp reflex
Correct Answer: A
Rationale: The Moro reflex is a startle response that occurs when the infant is startled or feels a
sudden change in position. The infant extends arms and legs, then pulls them in. It disappears by 4-6
months.
