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Rationales 2026 Q&A | Instant
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Question 1
The primary purpose of a well-child visit is to:
A. Treat acute illness only
B. Monitor growth and development
C. Perform surgery
D. Prescribe antibiotics
Correct Answer: B. Monitor growth and development
Rationale: Well-child visits focus on preventive care, developmental screening,
immunizations, and health education.
Question 2
Which growth measurement is routinely recorded during infant well-child visits?
A. Waist circumference only
B. Head circumference
C. Foot length
D. Hand circumference
Correct Answer: B. Head circumference
Rationale: Head circumference is measured regularly during infancy to monitor
brain growth and development.
,Question 3
The anterior fontanel in most infants typically closes between:
A. Birth and 2 months
B. 12–18 months
C. 3–4 years
D. 5–6 years
Correct Answer: B. 12–18 months
Rationale: The anterior fontanel usually closes between 12 and 18 months of age.
Question 4
At approximately what age do most infants begin sitting without support?
A. 2 months
B. 4 months
C. 6 months
D. 12 months
Correct Answer: C. 6 months
Rationale: Sitting independently is a typical gross motor milestone around 6
months.
Question 5
The best first food to introduce to most infants is:
A. Honey
B. Iron-fortified infant cereal
C. Whole grapes
D. Cow's milk
Correct Answer: B. Iron-fortified infant cereal
Rationale: Iron-fortified cereal is commonly recommended when complementary
foods are introduced around 6 months.
,Question 6
Exclusive breastfeeding is generally recommended for approximately:
A. 1 month
B. 3 months
C. 6 months
D. 12 months
Correct Answer: C. 6 months
Rationale: Exclusive breastfeeding for about the first six months is widely
recommended for healthy infants.
Question 7
Which vitamin supplement is commonly recommended for exclusively breastfed
infants?
A. Vitamin A
B. Vitamin C
C. Vitamin D
D. Vitamin K daily
Correct Answer: C. Vitamin D
Rationale: Breastfed infants commonly receive vitamin D supplementation to
support healthy bone development.
Question 8
The safest sleep position for a healthy infant is:
A. On the stomach
B. On the side
, C. On the back
D. Sitting upright
Correct Answer: C. On the back
Rationale: Placing infants on their backs for sleep reduces the risk of sudden
infant death syndrome (SIDS).
Question 9
Which toy is most appropriate for a 6-month-old infant?
A. Small marbles
B. Soft rattle
C. Sharp scissors
D. Coins
Correct Answer: B. Soft rattle
Rationale: Age-appropriate toys should be safe, too large to swallow, and
encourage sensory development.
Question 10
A toddler commonly begins using two-word phrases at approximately:
A. 6 months
B. 12 months
C. 24 months
D. 5 years
Correct Answer: C. 24 months
Rationale: Around age two, children commonly combine two words into simple
phrases.