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Subjects/Pediatrics/Pediatrics
Pediatrics
medium
smile Pediatrics

Ponderal index is:

A. Square root of height in feet by weight in grams
B. Weight in kilograms by cube of height in meters
C. Mid-upper arm circumference to head circumference ratio
D. Head circumference to abdominal circumference ratio

Explanation

Ans: B. Weight in kilograms by cube of height in meters(Ref Dafiary Manual of Obstetrics 3/e p199)Ponderal Index:Calculated by multiplying weight in grams by hundred and then dividing by cube of length in cm.Ponderal index = Bih weight (gm)/ Length (cm)3 x 100Interpretation:Usually less than 2 in asymmetric growth retardation.2 or more in babies with normal growth or symmetric growth retardation.

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