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Unformatted text preview: Learning Objectives: Chapter 8 - Infancy Define key words o Full term infant, failure to thrive, rooting reflex, suckling reflex, motor development, hydrolyzed protein, food allergy, food intolerance Full term infant: born 37-42weeks (typically40weeks); weighs 5.5-8.5 pounds; 18.5-21.5inches long Failure to thrive: inadequate weight or height gaindue to inadequate Calorie intake Rooting reflex: when one cheek is touched,infant turns his/her head toward that cheek and opens mouth Suckling reflex: tongue movement (reflex) forfeeding Motordevelopment: Hydrolyzed protein: enzymatically digested protein,or single amino acids (proteins already broken down) not found in foodsnaturally Food allergy: abnormal immunological responseto a specified food Food intolerance: adverse reaction to foods bydigestive system and metabolism Recognize a healthy birth weight, a low birth weight (small for gestational age / preterm) and a high birth weight (large for gestational weight / macrosomia) A healthy birth weight is 5.5 to 8.5 lbs with a range of 37 to 42 weeks gestation. A low birth weight is less than 5.5 lbs. High birth weight is more than 8.5 lbs, or greater than 90 percentile Define Adequate Intake (Dietary Reference Intakes) for infants. Infants dont have a dietary reference intake, they have adequate intake that are followed because each child is different and have different needs Average nutrients for thriving/healthy babies Higher in All vitamins associated with growth Vitamin D 10x adults needed for bone growth Vitamin C 5x adults needed for bone growth Vitamin A Iodine 7x adults Needs are higher during 0-6months compared to 6-12months Energy (100kCal/kg) adults 40kCal/kg Protein (2.0g/kg) - adults need 0.5g/kg Fat (50% of total Kcal) adults <35% Describe methods used to physically assess growth in infants. Some of the methods used to assess growth are measuring birth weight, length, and head circumference for gestational age Recognize a normal pattern of growth for an infant (height / weight) over a 12- month period as plotted on a weight / age and height / age growth chart. On the chart, a child weight (measured on bottom) and length (measured on top) follows a curve. If the childs growth pattern falls under the curve, the child is at risk and needs to be watched. No child, even those in the 95% should evergo under his/her curve. Describe the growth rate of an infant during the first year of life. Compare the metabolic rate/ kcal needs of an infant to an adult....
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- Spring '08