A nurse is collecting data from a 6-week-old infant. Which of the following findings should the nurse expect?
Absence of Babinski reflex
Absence of Moro reflex
Closure of the posterior fontanel
Closure of the anterior fontanel
The Correct Answer is C
A. Absence of Babinski reflex: The Babinski reflex (a fanning of the toes when the sole of the foot is stroked) is normal in infants and should be present until around 12 months of age. Its absence at 6 weeks would be atypical.
B. Absence of Moro reflex: The Moro reflex (a startle response) is typically present in newborns and may begin to disappear by 3-6 months of age. Its absence at 6 weeks would be concerning and could indicate neurological issues.
C. Closure of the posterior fontanel: The posterior fontanel typically closes by 6-8 weeks of age. This is a normal finding for a 6-week-old infant.
D. Closure of the anterior fontanel: The anterior fontanel typically closes between 12 and 18 months of age, not by 6 weeks. Therefore, closure of the anterior fontanel at 6 weeks would be unusual.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Hopscotch: Hopscotch typically requires the ability to hop on one foot and follow a structured set of rules, which may be too advanced for a 2-year-old. Toddlers are still developing coordination and motor skills, so activities like hopscotch are not age-appropriate.
B. Beginner sports: While toddlers can start developing coordination, organized sports (even beginner ones) usually require more advanced skills like following directions and teamwork, which may not be suitable for a 2-year-old.
C. Finger paints: Finger painting is an ideal activity for a 2-year-old. It encourages creativity, helps with fine motor skills, and is enjoyable for toddlers as they explore textures and colors. It is a developmentally appropriate form of play.
D. 30-piece puzzle: A 30-piece puzzle may be too complex for a 2-year-old. Toddlers typically enjoy simpler puzzles with larger pieces, which are easier for their developing fine motor skills and cognitive abilities. A simpler puzzle would be more appropriate.
Correct Answer is B
Explanation
Point A: Represents the third intercostal space at the right sternal border, which corresponds anatomically to the aortic valve area. This is a key auscultation site used during cardiac assessment to listen for murmurs and abnormalities related to the aortic valve. It is not used for palpation.
Point B: Fourth intercostal space at the left midclavicular line and is the correct location for palpating the point of maximal impulse (PMI) in infants and young children. In this age group, the PMI is typically found here due to the more horizontal position of the heart in the chest.
Point C: This location is at the 2nd or 3rd intercostal space, which is too high to assess the PMI in an infant. This area is used more for evaluating pulmonic valve sounds, not the apex of the heart.
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