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FSHN 362 Exam 4 With Complete Solution
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FSHN 362 Exam 4 With Complete Solution...
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FSHN 362 Exam 4 WithComplete Solution
What 5 things are vit A required for? - ANSWER 1. Normal functioning of
visual system
2. Maintenence of cell fn & growth
3. Epithelial integrity
4. RBC production
5. Immunity & reproduction
Vit A deficiency is common in lower income countries mostly due to -
ANSWER low intake
What are 2 symptoms for vit A deficiency? - ANSWER 1. Xerophthalmia/dry
eyes- leading preventable cause of blindness in children
2. Dec. resistance to infection
98% of Ca is in the - ANSWER bone
What 2 things decrease Ca absorption? What increases Ca absorption? -
ANSWER Dec: *Phytic acid* (in high fiber and soy) & *oxalic acid*
Inc: Lactose
Zinc is essential for what 2 things? - ANSWER 1. normal protein synthesis
2. Growth
,Zn deficiency has 3 serious consequences: - ANSWER 1. Growth retardation
2. Impaired wound healing
3. Cell mediated immunity
What two things decrease zinc absorption? - ANSWER Phytate and fiber
Fluoride is part of hydroxyfluoroapatite on the enamel, which is a mixture of
fluoride, _________, and ________. - ANSWER 1. Calcium carbonate
2. Calcium phosphate
What two things are "dental caries"? - ANSWER cariogenic bacteria &
fermentable CHO
Fluoride protects dental caries by what 3 ways? - ANSWER 1. Supressing
sugar metab. by bact.
2. Make enamel more resistant to acid
3. Stimulating mineralization of teeth
What are some groups of children that are at risk and would need vit
supplementation? - ANSWER deprived families
anorexia/poor eating habits
chronic disease
dietary regimen to manage obesity
pregnant teens
vegan diet
Undernutrition can override genetics; growth retardation happens in
,developing countries from what 2 ways? 4 ways in developed countries? -
ANSWER inadequate food intake & infection
Developed:
1. Dec. absorption
2. chronic disease
3. psychological stress
4. nonorganic growth failure
_________, _________, and ________ of deficiency is important to have an effect on
growth. - ANSWER type, timing, duration
Bayley Scale of Mental and Motor Development commonly measures what? -
ANSWER cognition
(reflection of intelligence & mental competence)
-like IQ, learning tasks, school achievement, cognitive development
Breakfast is an example of short term fasting. Breakfast is important because:
- ANSWER Dec glucose supply --> dec. Ach (neurotransmitter) --> dec.
memory fn
What is the def. of ADHD? What is a side effect of the medications for this? -
ANSWER persistent pattern of inattention with and without hyperactivity
-has to have 6 + symptoms of inattention or hyperactivity
-dec. food intake
Why does a high carbohydrate diet have an effect on behavior? - ANSWER
inc. insulin --> dec. muscle uptake --> inc. tryptophan crosses blood brain
, barrier --> serotonin (sleepiness)
What happens in food allergies? - ANSWER antigens --> immune competent
cells --> antibody --> IgE is produced resulting in sensitization
What 2 things make up a diagnosis for food allergies? - ANSWER Wheal:
swollen
&
Flare: redness
________ synthesis decreases with lead toxicity in a child. - ANSWER
hemoglobin
Brain development can be impaired with irreversible damage to the nervous
system because what 3 things are interfered with lead? - ANSWER glial cell,
cerebellar, myelination
What 2 things could reduce lead toxicity, but does not have strong evidence?
Also, adequate _______ in diet decreases lead absorption. - ANSWER Ca &
Phosphate;
iron
What treatment can you use for lead poisoning? - ANSWER Chelation
agents/therapy @ 45 ug
(start therapy if they have 45 ug/dL lead in blood *old recommendation* )
5 ug/dL in blood is considered high levels *new recommendation*
What do androgens do in puberty? - ANSWER stimulate masculine
characteristics:
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