midterm 2 childhood nutrient requirements

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midterm 2 childhood nutrient requirements
2013-03-26 16:52:38
nutrition through life

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  1. T or F
    1st year is associated with rapid growth
  2. What happens to an infants size in the 1st 4 months?
  3. What happens to an infants size in the first year of life?
    it triples
  4. In the first year of life regular monitoring of ht and wt should occur. What are these indicators of?
    • health 
    • nutrition
  5. What happens to a child's growth in preschool and early school?
    gradual growth until adolescent growth spurt
  6. When shout length and wt measurements be taken?
    • w/in 1-2 weeks of birth
    • 1 month
    • 2 month
    • 4 months 
    • 6 months 
    • 9 months 
    • 12 months
    • 18 months 
    • 24 months
    • then yearly
  7. What are growth chats used for?
    • assessment of individual normal growth patterns 
    • not diagnostic  used with other information to assess general health
  8. Growth chart
    Ht/length and wt follow a _____________.
    Growth follows on or near the same ________. 
    1st couple of years infants shift their ________. majority reside near the ______________.
    • growth channel
    • same centile 
    • percentiles
    • 50th percentile
  9. Breast fed infants at 3-4 months tend to _______ than bottle fed infants
    • leaner 
    • this is a natural difference no clinical intervention necessary
  10. What are the eating developmental patterns?
    • nursing period 
    • transitional period 
    • modified adult period
  11. What is the nursing period?
    breast milk and/ or infant formula = complete source of nutrition (4-6 months)
  12. What is the transitional period?
    • Introduction of semisolid foods with high milk consumption (6-10 months) 
    • semi solid food with a spoon promote normal feeding development
  13. What is the modified adult period?
    most food comes from adult-type foods (>10 months)
  14. What are some cows milk feeding issues?
    • exclusive breastfeeding should be encourages for 1st 6 months 
    • cow's milk is not recommended in the 1st year
    • partly skimmed milk (1% and 2%) not recommended in the 1st 2 years of life 
    • low fat milk= reduced energy, vitamin and EFA content
  15. Compare the protein content in human milk an infant formula.
    • human milk 6%
    • infant formula 9%
  16. Compare the fat content in human milk an infant formula.
    • human milk 55%
    • infant formula 49%
  17. Compare the CHO content in human milk an infant formula.
    • human milk 39%
    • infant formula 42%
  18. Compare the protein content in human milk an recommended adult diet.
    • HM= 6%
    • RAD= 12%
  19. Compare the fat content in human milk an recommended adult diet.
    • HM 55%
    • RAD 30%
  20. Compare the CHO content in human milk an recommended adult diet.
    • HM= 39%
    • RAD= 58%
  21. What are some cows milk/formula feeding risks?
    • over dilution or under dilution of formula
    • sterile water for milk formula
    • microwaving formula
    • nursing bottle syndrome 
    • inappropriate milk substitues (soy beverages, goats milk)
  22. What risks are associated with under dilution?
    • caloric dense formula
    • exessive protein and solute 
    • increased risk of dehydration, metabolic acidosis, and hypernatremia (high Na and solute load)
  23. How long must water be boiled to be pathogen free?
    2 minutes
  24. What are the risks associated with microwaving formula?
    possible hot spots that can cause severe burns to infants
  25. What should be done to prevent nursing bottle syndrome?
    • avoid nocturnal and long term used of bottles containing fluids other than water 
    • do not dip pacifiers or nipples in sugar or honey --> leads to severe dental carries
  26. Why is goats milk an inappropriate milk substitute?
    • deficient folic acid, vit B6 and B12 
    • higher in protein (3.6g/100mL) vs human milk (1g/100mL) and formula (1.4 g/100 mL) --> risk of dehydration and higher renal solute load 
    • low Ca:P -> risk of hyperphosphatemic tendency (painful and prolonged contraction) in small immature infants
  27. Why are plant based beverages (soy milk, rice based beverages) inappropriate milk substitutes?
    • low energy density <80% energy density of infant formulas - malnutrition if SB/RB are sole source of nutrition
    • failure to thrive
    • insufficient vit D -> rickets, hypocalcemia
    • several (but nol all) products bear label statements that the product is not a substitute for infant formula
    • Mn content of these products -> risk of neurotoxicity (infants uniquely sensitive); Mn exposure associated with long term effects on learning ability until after 1 year of age
    • phosphate compounds, particularly phytic acid (phytate, hexaphosphoinositol) -> decrease the bioavailability of some nutrients
  28. At what age are infants developmentally ready for new foods? What has developed?
    • 4-6 months
    • teeth have developed 
    • ability to swallow solid foods
  29. What are indications of infant readiness for new foods?
    • the infants weight has doubled 
    • consumes >32 Fl. oz daily of formula and is still hungry
    • consumes 8 Fl. oz and is still hungry <4 hours later 
    • sits with support, controls head movments
  30. What does Beikost mean?
    introduction of solid foods in addition to breast milk and infant formula
  31. What are the risks of introducing weaning too early?
    • increased morbidity due to diarrhea and food allergies 
    • under-nutriton due to the normal decrease in maternal milk production as the infant is withdrawn from the breast 
    • may increase the risk for allergies and maybe diabetes 
    • increased risk of choking 
    • rejection of food leading to adverse relationship b/w child and caregiver
  32. What are the risks of introducing solid food too late?
    • growth faltering 
    • decreased immune protection
    • under nutrition when exclusive breast feeding or formula feeding becomes inadequate
    • inadequate energy and protein intake and deficiencies of Fe, Zn, vit A and vit D
    • feed adversion
  33. oral maturation develops upon _____________
    exposures to new textures and flavors
  34. 3- 12 months is an important developmental period where the infant learns to do what actions?
    • learns to chew
    • transfer food to the back of mouth and swallow
  35. What development occurs at 10 weeks?
    • tongue ceases to come forward 
    • extrusion reflex
  36. What development occurs at 3-6 months?
    palmar grasp
  37. At ___ months infant can move head forward and turn head away if full or disinterested
  38. At what ages does a greater need for additional protein and Fe coincide with more mature chewing patterns?
    6-8 months
  39. What is rotary chewing and when does it develop?
    • lateral jaw movements 
    • usually at 8 months when infant develops pairs of opposing teeth
  40. 6-8 months is a critical period of development in relation to eating. What does it require?
    • requires more specific stimulus of introduction of solid food
    • otherwise it is more difficult accepting foods later, increased risk of nutrient deficiencies (Fe)
    • child increasingly reluctant to try new tastes; manipulative behavior
  41. 1-3 years the child is still developing __________________________ increasing its ability to eat
    orally and muscularly
  42. at what age can the infant hold the bottle by itself
    8 months
  43. what foods should be added to the diet of a 4-6 month old child
    • iron fortified rice cereal, followed by other single-grain cereals, mixed with breast milk, formula, or water 
    • perhaps vegetables before fruits so the baby will learn to like their less sweet flavors
  44. what foods should be added to the diet of a 6-8 month old child
    • infant breads and crackers
    • mashed vegetables and fruits, and their juices
  45. if energy and protein requirements are met then _____________________________ deficiencies are unlikely.
    vitamin, mineral and trace element
  46. What actions during feeding are developmentally important for infants?
    • playing with food (splash, crumble, drop, etc.) 
    • learns about height and distances
  47. What action supports self feeding skills?
    the ability of the infant to transfer objects from hand to mouth such as breads, biscuts and crackers (6-8 months)
  48. What foods should be avoided before 4-5 months? Why?
    • spinach, collards, carrots, beets, and turnips
    • nitrates causes methemoglobinemia
  49. What is methemoglobinemia?
    impairs oxygen binding
  50. How do you test for allergies?
    What allergies account for 75% of all allergies?
    • wait 3 days after the introduction of new foods to check for allergic symptoms
    • cow's milk, egg whites, peanuts
  51. What reduces the risk of allergies?
    exclusive breast feeding in the first 6 months
  52. why should the use of fruit juices be limited?
    • excessive intake of sorbitol is harmful to infants 
    • dont feed before 6 months
    • grape juice is preferable as orange can cause allergies and apple and pear have too much sorbitol 
    • juice given in a bottle can lead to dental carries
  53. What is sorbitol? and why is it harmful to babies?
    • sorbitol is a reduced alcohol derivative of glucose (in fruit juices eg apple, peach, pear,and plum) 
    • sorbitol proceeds unchanged to the colon-> osmotic effect -> fluid enters the colon -> diarrhea
  54. What is infant colic associated with?
    • associated with CHO malabsorption from fruit juices containing sorbitol and a high fructose:glucose ratio
    • malabsorbed CHO produces excess hydrogen gas 
    • increase in breath hydrogen gas excretion levels
  55. Describe the amount of breast milk given to 4-6 month olds, 6-8 month olds, and 9-12 month old.
    • 4-6: breast feeding can continue 
    • 6-8: decreased from 150 mg/kg to 600-800mL/day
    • 9-12: 600-800 mL/day
  56. Describe the type of Fe fortified cereals for infants, cooked strained porridge given to 4-6 month olds, 6-8 month olds, and 9-12 month old.
    • 4-6: add
    • 6-8: add
    • 9-12: add different textures- infant cereals with fruit pieces, cereal bits
  57. Describe the type of meats, beans, egg yolk given to 4-6 month olds, 6-8 month olds, and 9-12 month old.
    • 4-6: none
    • 6-8: add strained
    • 9-12: gradually eliminate strained meats and introduce table meats.
  58. Describe the type of fruits given to 4-6 month olds, 6-8 month olds, and 9-12 month old.
    • 4-6: none
    • 6-8: add strained
    • 9-12: gradually eliminate strained and introduce chopped and well cooked
  59. Describe the type of vegetables given to 4-6 month olds, 6-8 month olds, and 9-12 month old.
    • 4-6: none
    • 6-8: add strained; prepare hygienically and with no added sugar, salt, fat, and oil
    • 9-12: gradually eliminate strained foods and introduce table foods
  60. Describe the type of juice or formula by cup given to 4-6 month olds, 6-8 month olds, and 9-12 month old.
    9-12: add
  61. Describe the type of finger foods such as biscuits or toast given to 4-6 month olds, 6-8 month olds, and 9-12 month old.
    • 6-8: add those that can be secured with a palmar grasp 
    • 9-12: increase the use of small finger foods as the pincer grasp develops
  62. Describe the type of well cooked mashed or chopped table food given to 4-6 month olds, 6-8 month olds, and 9-12 month old.
    9-12: add
  63. What skills do infants require for eating by 2nd year of life?
    • to develop a sense of taste and acceptance and enjoyment of different foods 
    • attitudes and practices which from basis for lifelong health promoting eating patterns
  64. How should food be served?
    • in a casual, relaxed manner
    • balanced food choices should be offered but child should be allowed to have food preferences (choices normally change as the child ages)
    • children that are pushed to eat new foods are less likely to try than if left by themselves
  65. What is a goal of early feeding?
    • establish eating in moderation 
    • let infant stop when he or she is full 
    • encourage eating in quite voice 
    • respect infants caution regarding eating
  66. What can forcing a child to eat result in?
    • frustration of care giver
    • making child resentful 
    • power struggle
  67. what controls how much a child chooses to eat?
    the appetite center of the brain
  68. How should new foods be introduced to childen?
    • introduce new foods at the beginning of the meal 
    • crunchy foods better liked than overcooked foods 
    • portion sizes: 1tbs/year of age 
    • do not force new foods on a child 
    • do not force a child to clean plate 
    • introduce foods one at a time no mixed dishes
    • see if allergy develops
  69. What foods should be avoiding in children under 3 due to their choking risk?
    • whole nuts
    • popcorn 
    • grapes
    • large berries
    • peanut butter
    • marshmellows 
    • ice cubes 
    • hot dogs in chunks 
    • in general hard, small, round smooth and sticky solid foods
    • no running or playing while eating
  70. Why should honey be avoided?
    • botulinum spores present in honey or corn syrup
    • spores resistant to pasteurization, can germinante in GI tract -> toxin
    • SIDS
    • decreased feeding, weakness, respiratory distress, and constipation
  71. why should caffeine consumption be avoided?
    • hyperactive behavior 
    • one 12-oz cola= 50 mg caffeine =>equivalent on a body weight basis of consuming 8 cups of coffee for the (175 lbs.) adult
    • sleepllessness, restlessness, irregular heartbeats, and decreased attention span
  72. Describe Iron Deficiency Anemia in children.
    • most preventable nutritional deficiency in children in North America
    • greatest risk is in children <5 years 
    • rapid growth in the 1st 1-2 years leads to an increased risk
    • difficulty chewing meats
    • associated with excessive cows milk intake (milk babies)
    • associated with excessive exposure to lead
  73. Why should cow's milk be limited to 2-3 cup/day in children?
    • it displaces Fe rich foods
    • microscopic GI bleeding caused by excessive unheated milk intake
  74. What are sources of lead for children?
    • factory pollution
    • power plant emissions
    • lead in water 
    • lead in air 
    • lead in pipes 
    • lead in oil paint 
    • lead dust on pets 
    • lead in food 
    • lead in soil 
    • lead dust on toys 
    • lead in food cants 
    • lead in old or imported pottery
    • waste incinerator fallout
  75. T or F
    nutritious food choices should be eliminated or restricted b/c of fat content
  76. For early adolescence emphasize energy intake ____________________________
    adequate to sustain growth with a gradual lowering of fat
  77. When are fat intakes currently recommended appropriate?
    when linear growth has stopped
  78. What are the health risks of low fat diets in children?
    • controversial effect on long-term modifications on serum CH
    • increased risk of micronutrient deficiencies (Ca, Zn, Vit A, Riboflavin) 
    • risk of growth stunting with excessively low fat diets
    • EFA deficiencies
    • higher intake of candy and sugar and lower intake of milk products leading to lower intake of protein, Ca, riboflavin, vit A
    • predisposed to increased risk of ED implied message that all fats are bad
  79. What is an effect of decreasing meat intake in children?
    • more fiber from complex CHO
    • increased fiber intake + Lower animal protein ---> decreased essential mineral bioavailability (phytates and oxalates)  
    • linear growth affected by Zn deficiencies cause by higher intake of plant foods
  80. What are feeding problems associated with?
    • diarrhea
    • constipation
    • colic 
    • refusal to eat 
    • some related to feeding difficulties induced by parents: high anxiety, ill health of mother, breast feeding problems
  81. refusal to eat is usually associate with:
    • behavioral problems
    • failure to thrive 
    • impaired growth 
    • recurrent infections at 2 years of age 
    • at 4 years of age may experience catch up of growth but may still have feeding difficulties and hyperactivity
  82. What are some consequences of lack of breakfast?
    • associated with poor attention span
    • decreased problem solving abilities 
    • my indicate poor nutritional intake in general
  83. What is failure to thrive?
    • a downward growth deviation from the age and gender norms 
    • responsible for 1-5% of pediatric hospitalizations
    • more common in children <1 year old
    • stunted= impaired height gain
    • wasted= weight loss of decreased rate of weight gain 
    • organic and non-organic causes; many cases are a mix of the 2 
    • causes: medical, psychological, nutritional, and developmental 
    • associated with delayed motor skills, language acquisition, social skills 
    • associated with refusal to eat
  84. What are organic causes of failure to thrive?
    • congenital heart defect
    • malabsorption syndromes 
    • infections 
    • anemia 
    • heart and renal problems 
    • endocrine problems
    • intellectual developmental delay
    • organic = disease
  85. What are non-organic causes of failure to thrive?
    • abnormal development and behavior of child 
    • distorted relationship b/w care giver and child
    • maybe associated with deprived background or high income parents with distorted health beliefs
    • nonorganic= causes external to infant= majority of FTT cases
  86. What are the 3 general patterns of FTT?
    • decreased head circumference, weight and height <5th percentile
    • -normally intellectually handicapped
    • - could be inpart due to mechanical feeding difficulties such aas extrusion response
    • normal head circumference; weight is impaired but height is normal
    • -constitutionally short stature, chronic disease such as malabsorption, endocrine disorders (cystic fibrosis)
    • -these disorders associated with poor utilization of calories and nutrients (CF, milk intolerance  allergy, parasites) or food not well retained
    • normal head circumference, lower weight and greatly lowered height
    • -normally malnutrition related including poverty or infant behavioral problems
    • -also macrobiotics (insufficient vit D [higher incidence of rickets], calories, protein, Fe, and riboflavin intake)