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A nurse is assessing a 6-month-old infant at a well-child visit. Which of the following findings should the nurse expect?

A.

Lateral incisors

B.

Closed posterior fontanel

C.

Sitting steadily without support

D.

Uses thumb and index fingers in a pincer grasp

Answer and Explanation

The Correct Answer is B

The posterior fontanel, located on the back of the head, usually closes by the age of 2-3 months. By 6 months of age, it is expected to be closed. 

By 6 months of age, infants typically do not have their lateral incisors. The primary incisors, which are the central incisors in the lower and upper jaw, usually erupt first around 6-10 months of age. 

At around 8 months of age, most infants are able to sit steadily without support. They can maintain an upright sitting position and may even start to reach for objects or play in a sitting position. 

At 6 months of age, infants are still in the developmental stage of exploring objects and refining their motor skills. They typically use a palmar grasp, where they grasp objects with their entire hand. The pincer grasp, which involves using the thumb and index finger to pick up small objects, usually develops around 9-10 months of age. 


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Related Questions

Correct Answer is A

Explanation

The nurse should include information that growth spurts in height occur toward the end of mid puberty. Gynecomastia is not a common change in boys during puberty, but it might occur in some cases. Changes in the voice and pubic hair growth signal the beginning of puberty. If scrotal changes have not occurred by the age of 14 years, puberty might be considered delayed.

Correct Answer is D

Explanation

Using an infant model car seat that is properly anchored in the car is the recommended practice for a 6-month-old infant. Rear-facing positioning in the back seat is also the safest option for infants to protect them in the event of a collision. Ensuring that the harness is snug and there is no space between the baby and the car seat harness is also important for optimal safety.

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