Growth & Development Pediatric Milestones
Practice Exam
(Questions 1–150)
1. At what age does a typical infant begin to smile socially?
a. Birth
b. 2 months
c. 4 months
d. 6 months
b. 2 months
Rationale: Social smiling usually appears around 6–8 weeks of age as
the infant responds to human faces.
2. When should an infant typically begin to roll from tummy to back?
a. 2 months
b. 4 months
c. 6 months
d. 8 months
b. 4 months
Rationale: Rolling from tummy to back generally emerges around 4
months as motor control improves.
3. At what age does an infant usually begin to sit without support?
a. 4 months
b. 6 months
c. 8 months
d. 10 months
c. 8 months
Rationale: Sitting independently typically occurs between 6–9 months,
with 8 months being average.
, 4. When do most infants start to babble consonant sounds like "ba"
or "da"?
a. 2 months
b. 4 months
c. 6 months
d. 9 months
c. 6 months
Rationale: Babbling with consonant sounds usually begins around 6
months as language development progresses.
5. At what age does the pincer grasp typically develop?
a. 6 months
b. 8 months
c. 10 months
d. 12 months
c. 10 months
Rationale: The pincer grasp emerges around 9–12 months, allowing
infants to pick up small objects between thumb and forefinger.
6. When does stranger anxiety commonly appear in infants?
a. 2 months
b. 4 months
c. 6–8 months
d. 12 months
c. 6–8 months
Rationale: Stranger anxiety develops around 6–8 months as infants
begin to distinguish familiar from unfamiliar faces.
7. At what age do most infants start to crawl?
a. 4–5 months
b. 6–7 months
, c. 8–10 months
d. 12 months
c. 8–10 months
Rationale: Crawling typically begins between 8–10 months, providing
mobility before walking.
8. When do children usually begin walking independently?
a. 9 months
b. 12 months
c. 15 months
d. 18 months
b. 12 months
Rationale: Most children take their first independent steps around 12
months, although 9–15 months is within normal range.
9. At what age do infants typically begin to say their first meaningful
word?
a. 6 months
b. 9 months
c. 12 months
d. 18 months
c. 12 months
Rationale: First words usually appear around the first birthday, often
referring to familiar people or objects.
10. When do toddlers typically begin to run steadily?
a. 12 months
b. 15 months
c. 18 months
d. 24 months
, d. 24 months
Rationale: Running requires balance and coordination, which most
toddlers achieve by 2 years.
11. At what age do children typically begin to use two-word
phrases?
a. 12 months
b. 18 months
c. 24 months
d. 30 months
c. 24 months
Rationale: Two-word phrases, such as "more milk," emerge around 2
years as language skills expand.
12. When does a child typically begin to draw simple shapes like
circles?
a. 2 years
b. 3 years
c. 4 years
d. 5 years
b. 3 years
Rationale: Around 3 years, fine motor control allows children to draw
basic shapes.
13. At what age does parallel play most commonly occur?
a. 1 year
b. 2 years
c. 3 years
d. 4 years
Practice Exam
(Questions 1–150)
1. At what age does a typical infant begin to smile socially?
a. Birth
b. 2 months
c. 4 months
d. 6 months
b. 2 months
Rationale: Social smiling usually appears around 6–8 weeks of age as
the infant responds to human faces.
2. When should an infant typically begin to roll from tummy to back?
a. 2 months
b. 4 months
c. 6 months
d. 8 months
b. 4 months
Rationale: Rolling from tummy to back generally emerges around 4
months as motor control improves.
3. At what age does an infant usually begin to sit without support?
a. 4 months
b. 6 months
c. 8 months
d. 10 months
c. 8 months
Rationale: Sitting independently typically occurs between 6–9 months,
with 8 months being average.
, 4. When do most infants start to babble consonant sounds like "ba"
or "da"?
a. 2 months
b. 4 months
c. 6 months
d. 9 months
c. 6 months
Rationale: Babbling with consonant sounds usually begins around 6
months as language development progresses.
5. At what age does the pincer grasp typically develop?
a. 6 months
b. 8 months
c. 10 months
d. 12 months
c. 10 months
Rationale: The pincer grasp emerges around 9–12 months, allowing
infants to pick up small objects between thumb and forefinger.
6. When does stranger anxiety commonly appear in infants?
a. 2 months
b. 4 months
c. 6–8 months
d. 12 months
c. 6–8 months
Rationale: Stranger anxiety develops around 6–8 months as infants
begin to distinguish familiar from unfamiliar faces.
7. At what age do most infants start to crawl?
a. 4–5 months
b. 6–7 months
, c. 8–10 months
d. 12 months
c. 8–10 months
Rationale: Crawling typically begins between 8–10 months, providing
mobility before walking.
8. When do children usually begin walking independently?
a. 9 months
b. 12 months
c. 15 months
d. 18 months
b. 12 months
Rationale: Most children take their first independent steps around 12
months, although 9–15 months is within normal range.
9. At what age do infants typically begin to say their first meaningful
word?
a. 6 months
b. 9 months
c. 12 months
d. 18 months
c. 12 months
Rationale: First words usually appear around the first birthday, often
referring to familiar people or objects.
10. When do toddlers typically begin to run steadily?
a. 12 months
b. 15 months
c. 18 months
d. 24 months
, d. 24 months
Rationale: Running requires balance and coordination, which most
toddlers achieve by 2 years.
11. At what age do children typically begin to use two-word
phrases?
a. 12 months
b. 18 months
c. 24 months
d. 30 months
c. 24 months
Rationale: Two-word phrases, such as "more milk," emerge around 2
years as language skills expand.
12. When does a child typically begin to draw simple shapes like
circles?
a. 2 years
b. 3 years
c. 4 years
d. 5 years
b. 3 years
Rationale: Around 3 years, fine motor control allows children to draw
basic shapes.
13. At what age does parallel play most commonly occur?
a. 1 year
b. 2 years
c. 3 years
d. 4 years