2026|2027 Questions and Answers
1.
Which vaccine protects against diphtheria, tetanus, and pertussis?
A. Hib
B. DTaP
C. IPV
D. MMR
Rationale: DTaP is the combined vaccine for diphtheria, tetanus, and pertussis.
2.
Caloric requirement for infants birth–6 months:
A. 100 kcal/kg/day
B. 120 kcal/kg/day
C. 90 kcal/kg/day
D. 150 kcal/kg/day
Rationale: Rapid growth requires higher caloric intake in early infancy.
3.
Vitamin D supplementation for exclusively breastfed infants should begin at:
A. Birth
B. 2 months
C. 6 months
D. 12 months
Rationale: 400 IU/day prevents rickets and supports bone development.
4.
Iron supplementation is required for:
A. Formula-fed infants
B. Exclusively breastfed infants
C. Toddlers only
D. Adolescents only
Rationale: Breast milk is low in iron; supplementation prevents anemia.
5.
Adolescent caloric requirement:
A. 30 kcal/kg/day
B. 60 kcal/kg/day
C. 45 kcal/kg/day
D. 75 kcal/kg/day
Rationale: Supports growth spurts and increased activity.
6.
Which vaccine is contraindicated in pregnancy?
,A. Influenza (inactivated)
B. MMR
C. Tdap
D. Hepatitis B
Rationale: Live vaccines are contraindicated during pregnancy.
7.
At what age should infants double their birth weight?
A. 3 months
B. 5 months
C. 9 months
D. 12 months
Rationale: Normal growth trajectory is doubling by 5 months, tripling by 12 months.
8.
Which screening is recommended at 12 months?
A. Lead level
B. Hemoglobin/hematocrit
C. Cholesterol
D. Thyroid function
Rationale: Screens for iron-deficiency anemia.
9.
Which vaccine is given at birth?
A. DTaP
B. Hepatitis B
C. Hib
D. Rotavirus
Rationale: First dose is administered within 24 hours of birth.
10.
Which developmental milestone occurs at 9 months?
A. Walking independently
B. Crawling
C. Sitting without support
D. Saying two-word phrases
Rationale: Crawling typically develops around 9 months.
11.
At what age should infants be able to sit without support?
A. 4 months
B. 6 months
C. 8 months
D. 12 months
Rationale: Most infants achieve independent sitting around 8 months.
, 12.
Which vaccine is first given at 2 months of age?
A. Hepatitis B
B. DTaP
C. MMR
D. Varicella
Rationale: DTaP series begins at 2 months.
13.
Which developmental milestone occurs at 12 months?
A. Crawling
B. Sitting without support
C. Walking with assistance
D. Saying sentences
Rationale: Most infants begin assisted walking around 12 months.
14.
Which screening is recommended at 24 months?
A. Thyroid function
B. Autism spectrum disorder
C. Cholesterol
D. Lead level
Rationale: Early detection improves outcomes.
15.
Which vaccine is given at 12–15 months?
A. Hepatitis B
B. MMR
C. DTaP
D. Rotavirus
Rationale: First dose of MMR is given at 12–15 months.
16.
At what age should infants triple their birth weight?
A. 6 months
B. 9 months
C. 12 months
D. 18 months
Rationale: Normal growth trajectory is tripling by 1 year.
17.
Which developmental milestone occurs at 18 months?
A. Walking independently
B. Running
C. Crawling
D. Sitting without support