Nokea
What teeth will the nurse explain are the first deciduous teeth to erupt?
- A. Lower central incisors
- B. Upper central incisors
- C. Lower lateral incisors
- D. Upper lateral incisors
Correct Answer: A
Rationale: The lower central incisors are the first deciduous teeth to erupt, typically around 7 months of age.
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What is the earliest age at which an infant is able to sit steadily alone?
- A. 4 months
- B. 5 months
- C. 8 months
- D. 15 months
Correct Answer: C
Rationale: An infant can sit alone without support at about 8 months of age, indicating sufficient muscle strength and coordination.
What is an abnormal finding in an evaluation of growth and development for a 6-month-old infant?
- A. Weight gain of 4 to 7 ounces per week
- B. Length increase of 1 inch in 2 months
- C. Head lag present
- D. Can sit alone for a few seconds
Correct Answer: C
Rationale: Head lag at 6 months is abnormal as infants should hold their head up well by 5 months, warranting further evaluation.
Which statement indicates the mother of an 8-month-old infant understands infant sleep patterns?
- A. I put the baby in my bed until she falls asleep, then I put her in her crib.'
- B. I let the baby skip an afternoon nap so that she will fall asleep earlier.'
- C. I put the pacifier in the crib so that she can find it when she wakes up.'
- D. I rock the baby back to sleep if she wakes up at night.'
Correct Answer: C
Rationale: Placing a pacifier in the crib supports the infant's ability to self-soothe and return to sleep independently.
What does this behavior indicate the infant has developed?
- A. The pincer grasp
- B. A grasp reflex
- C. Prehension ability
- D. The parachute reflex
Correct Answer: A
Rationale: The ability to pick up cereal with the index finger and thumb at 10 months indicates the development of the pincer grasp.
What would the nurse expect a 4-month-old infant to be able to accomplish?
- A. Hold a cup.
- B. Stand with assistance.
- C. Lift head and shoulders.
- D. Sit with back straight.
Correct Answer: C
Rationale: Due to cephalocaudal development, a 4-month-old infant can lift their head and shoulders, mastering this skill before others listed.