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<b>Question 1: Which immunization is routinely administered at birth?</b>
A. MMR B. HepB C. DTaP D. IPV
<b>CORRECT ANSWER: B. HepB</b>
Rationale: The Hepatitis B vaccine is given within 24 hours of birth.
<b>Question 2: What injection prevents hemorrhagic disease of the newborn?</b>
A. Vitamin D B. Vitamin K C. Vitamin E D. Vitamin A
<b>CORRECT ANSWER: B. Vitamin K</b>
Rationale: Vitamin K is given IM at birth to prevent bleeding.
<b>Question 3: Which topical agent prevents neonatal gonococcal conjunctivitis?</b>
A. Bacitracin B. Erythromycin C. Polymyxin B D. Neomycin
<b>CORRECT ANSWER: B. Erythromycin</b>
Rationale: Erythromycin 0.5% ointment is applied to both eyes at birth.
<b>Question 4: When is the second dose of HepB vaccine due?</b>
A. 1 to 2 months B. 4 months C. 6 months D. 12 months
<b>CORRECT ANSWER: A. 1 to 2 months</b>
Rationale: The second HepB dose is given at 1 to 2 months of age.
<b>Question 5: Which vaccines are given at 2 months of age?</b>
A. MMR, Varicella B. DTaP, IPV, Hib, HepB, PCV, RV C. HepA, HPV D. Influenza, MenACWY
<b>CORRECT ANSWER: B. DTaP, IPV, Hib, HepB, PCV, RV</b>
Rationale: These are the standard 2-month well-child immunizations.
<b>Question 6: What additional vaccine is given at 6 months?</b>
A. MMR B. Influenza C. Varicella D. HepA
<b>CORRECT ANSWER: B. Influenza</b>
,Rationale: Annual influenza vaccine begins at 6 months of age.
<b>Question 7: Which vaccines are administered at 12 months?</b>
A. MMR, Varicella, HepA B. DTaP, IPV C. HPV, MenACWY D. Tdap, MenB
<b>CORRECT ANSWER: A. MMR, Varicella, HepA</b>
Rationale: Live vaccines MMR and Varicella, plus HepA, start at 12 months.
<b>Question 8: When are the final boosters for DTaP, IPV, MMR, and Varicella given?</b>
A. 12 to 15 months B. 18 to 24 months C. 4 to 6 years D. 11 to 12 years
<b>CORRECT ANSWER: C. 4 to 6 years</b>
Rationale: These boosters are administered before school entry.
<b>Question 9: By what age does birth weight typically double?</b>
A. 3 months B. 5 months C. 9 months D. 12 months
<b>CORRECT ANSWER: B. 5 months</b>
Rationale: Infants usually double their birth weight by 5 to 6 months.
<b>Question 10: By what age does birth weight typically triple?</b>
A. 6 months B. 9 months C. 12 months D. 18 months
<b>CORRECT ANSWER: C. 12 months</b>
Rationale: Birth weight triples by the first birthday.
<b>Question 11: When does the posterior fontanelle typically close?</b>
A. 1 to 2 months B. 6 to 8 weeks C. 9 to 18 months D. 24 months
<b>CORRECT ANSWER: B. 6 to 8 weeks</b>
Rationale: The posterior fontanelle closes by 2 months of age.
<b>Question 12: When does the anterior fontanelle typically close?</b>
A. 2 to 3 months B. 6 to 9 months C. 9 to 18 months D. 24 to 36 months
<b>CORRECT ANSWER: C. 9 to 18 months</b>
Rationale: The anterior fontanelle closes between 9 and 18 months.
<b>Question 13: At what age does a social smile typically emerge?</b>
A. 1 month B. 2 months C. 4 months D. 6 months
,<b>CORRECT ANSWER: B. 2 months</b>
Rationale: A social smile is a key 2-month developmental milestone.
<b>Question 14: At what age do most infants roll from front to back?</b>
A. 2 months B. 4 months C. 8 months D. 10 months
<b>CORRECT ANSWER: B. 4 months</b>
Rationale: Rolling over typically occurs around 4 to 6 months.
<b>Question 15: At what age can an infant sit without support?</b>
A. 4 months B. 6 to 8 months C. 10 months D. 12 months
<b>CORRECT ANSWER: B. 6 to 8 months</b>
Rationale: Sitting without support is achieved by 6 to 8 months.
<b>Question 16: At what age do most children walk independently?</b>
A. 9 months B. 12 months C. 15 months D. 18 months
<b>CORRECT ANSWER: B. 12 months</b>
Rationale: Independent walking is a classic 12-month milestone.
<b>Question 17: At what age can a child run well?</b>
A. 12 months B. 15 months C. 18 months D. 24 months
<b>CORRECT ANSWER: C. 18 months</b>
Rationale: Running typically develops around 18 months of age.
<b>Question 18: At what age can a child hop on one foot?</b>
A. 2 years B. 3 years C. 4 years D. 5 years
<b>CORRECT ANSWER: C. 4 years</b>
Rationale: Hopping on one foot is a 4-year gross motor skill.
<b>Question 19: When do infants typically say their first words?</b>
A. 6 months B. 9 months C. 12 months D. 18 months
<b>CORRECT ANSWER: C. 12 months</b>
Rationale: First words with meaning appear around 12 months.
<b>Question 20: When do toddlers typically use two-word phrases?</b>
, A. 12 months B. 18 months C. 24 months D. 36 months
<b>CORRECT ANSWER: C. 24 months</b>
Rationale: Two-word phrases are a 24-month language milestone.
<b>Question 21: When do children typically speak in complete sentences?</b>
A. 2 years B. 3 years C. 4 years D. 5 years
<b>CORRECT ANSWER: B. 3 years</b>
Rationale: Three-year-olds typically use three-to-four-word sentences.
<b>Question 22: What type of play is characteristic of a 2-year-old?</b>
A. Solitary B. Parallel C. Associative D. Cooperative
<b>CORRECT ANSWER: B. Parallel</b>
Rationale: Toddlers engage in parallel play alongside peers.
<b>Question 23: What type of play emerges at 3 to 4 years?</b>
A. Parallel B. Associative C. Competitive D. Team
<b>CORRECT ANSWER: B. Associative</b>
Rationale: Preschoolers begin associative play with shared goals.
<b>Question 24: When does stranger anxiety typically peak?</b>
A. 3 to 4 months B. 6 to 9 months C. 12 to 15 months D. 18 to 24 months
<b>CORRECT ANSWER: B. 6 to 9 months</b>
Rationale: Stranger anxiety is normal between 6 and 9 months.
<b>Question 25: When should solid foods be introduced?</b>
A. 2 months B. 4 months C. 6 months D. 9 months
<b>CORRECT ANSWER: C. 6 months</b>
Rationale: Complementary foods are introduced around 6 months.
<b>Question 26: When can whole cow's milk be introduced?</b>
A. 6 months B. 9 months C. 12 months D. 18 months
<b>CORRECT ANSWER: C. 12 months</b>
Rationale: Cow's milk is introduced after the first birthday.