22 Questions
When should the measuring tape be placed around the infant's head to measure the head circumference?
Around the largest circumference of the infant's head, across the occiput and the forehead.
At what age may the newborn's head circumference equal or exceed the chest circumference by 2 cm?
Until 5 months of age.
When should the chest circumference measurement be read?
Midway between inspiration and expiration.
What should be considered if an infant's head circumference is smaller than the chest circumference?
Microcephaly.
Between what ages are the infant's chest circumference and head circumference close to the same size?
Between 5 months and 2 years.
Why does the chest circumference exceed the head circumference after 2 years of age?
Because the chest grows faster than the head.
How is gestational age determined?
By calculating the number of completed weeks between the first day of the mother's last menstrual period and the date of birth.
What tool is used to evaluate gestational age in newborns within 36 hours of birth?
Ballard Gestational Age Assessment Tool
How accurate is the Ballard Gestational Age Assessment Tool within the assigned gestational age?
Within 2 weeks
When is the assessment more accurate for extremely preterm newborns?
Within 12 hours of birth
At what gestational ages are newborns considered term?
37 through 41 weeks
What percentage of infants in the United States were born at gestational age less than 37 weeks in 2006?
12.8%
What is the current rate of premature birth in the United States?
Just below 10%
What is used to determine a newborn's fetal growth pattern and size for gestational age?
Intrauterine growth curve
What is the recommended age range for tracking premature growth using the Fenton Growth Chart?
Until 50 weeks postmenstrual age
How is an infant classified as small, appropriate, or large for gestational age based on percentile curve placement?
By percentile curve placement for weeks of gestation
What weight percentile range categorizes an infant as 'Appropriate for gestational age'?
10th to 90th weight percentile
What weight percentile range categorizes an infant as 'Small for gestational age'?
Less than 10th weight percentile
What weight percentile range categorizes an infant as 'Large for gestational age'?
Greater than 90th weight percentile
What increased risks do small for gestational age infants who are full term face?
Respiratory distress, hypoglycemia, and other health problems
What are the increased risks faced by infants who are small or large for gestational age?
Increased risk for morbidity and mortality
What percentage of infants were born at low birth weight in 2014?
8.0%
Learn about growth assessment in infants including how to measure head circumference and chest circumference. Discover the importance of head and chest circumference measurements for monitoring growth and development.
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