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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.
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What will the nurse weighing the infant today expect her weight to be?
- A. At least 12 pounds
- B. At least 16 pounds
- C. At least 20 pounds
- D. At least 24 pounds
Correct Answer: B
Rationale: Birth weight is usually doubled by 6 months, so an infant with a birth weight of 8 pounds, 2 ounces should weigh at least 16 pounds.
What would the nurse expect to observe?
- A. Speaking in 2-word sentences
- B. Grasping objects with palmar grasp
- C. Creeping along the floor
- D. Beginning to use a spoon rather sloppily
Correct Answer: C
Rationale: A 9-month-old infant typically creeps along the floor, has developed a pincer grasp, and can hold a spoon without keeping food on it.
What is the most helpful measure the nurse can suggest to the mother?
- A. Sing songs to the infant in a soft voice.
- B. Place the infant in a well-lit room.
- C. Walk around and massage the infant's back.
- D. Rock the fussy infant slowly and gently.
Correct Answer: D
Rationale: Rocking the infant gently and slowly, while avoiding sudden movements, is an effective technique to soothe a colicky infant.
How might the nurse demonstrate the parachute reflex with an infant?
- A. Lifting the infant high in the air above her head
- B. Holding the infant in a football hold, cradling the head
- C. Seating the infant in a stroller in an upright position
- D. Placing the infant downward into the crib
Correct Answer: D
Rationale: The parachute reflex is demonstrated by placing the infant downward in a prone position, prompting protective arm extension.
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.