ALL DOMAINS JEAN INMAN DOMAIN 1,2,3 AND 4
LATEST 2023-2024 COMPLETE EXAMS QUESTIONS
AND CORRECT DETAILED ANSWERS WITH
RATIONALES|AGRADE
JEAN INMAN DOMAIN 1
what programs does the Child Nutrition Reauthorization cover? –
ANSWER- NSLP, SBP, CACFP, SFSP, SMP, WIC
What bill covers national and international nutrition education and
research funding? – ANSWER- farm bill
what lab value measures the activity of the thyroid gland? – ANSWERprotein bound iodine (PBI), which indicates level of thyroxine produced.
BMR is elevated with high value.
simple carbohydrates in order of sweetness (9) – ANSWER- fructose,
invert sugar, sucrose, glucose, sorbitol, mannitol, galactose, maltose,
lactose
sorbitol is converted to __ – ANSWER- fructose
legumes are low in what 3 amino acids? – ANSWER- methionine,
cysteine, and tryptophan
what amino acids are limited or missing in gelatin? – ANSWER- low in
methionine & lysine, no tryptophan
linoleic acid (n-6) deficiency signs – ANSWER- eczema, poor growth,
petechiae
a-linolenic (n-3) deficiency signs – ANSWER- neurological changes,
numbness, blurred vission,
what happens if linoleic acid replaces CHO in the diet? – ANSWERdecreased LDL & increased HDL
what happens if linoleic acid replaces sat fat in the diet? – ANSWERdecreased total cholesterol including HDL
medium chain triglyceride length – ANSWER- 6-12 carbons
vitamin A deficiency – ANSWER- night blindness/ nyctalopia
(reversible), xerophthalmia (irreversible, corneal damage), bitots spots,
hyperkeratosis (dry, scaly skin)
vitamin E deficiency – ANSWER- hemolytic anemia
which vitamin is a precursor to tryptophan? – ANSWER- niacin
thiamin (b1) deficiency & associated lab – ANSWER- beriberi, muscle
weakness, foot drop, memory loss, tachycardia. labs that indicate
deficiency are low erythrocyte transketolase, increased plasma pyruvate
riboflavin (b2) deficiency – ANSWER- growth failure, cheilosis
(cracked lips), angular stomatitis, magenta tongue; affects cells with
rapid turnover
Niacin (B3) deficiency – ANSWER- 4 D’s / pellagra (dementia,
dermatitis, diarrhea, death), beefy bright red tongue, symmetrical
pigmented rash in sunlight
folate (b5) deficiency – ANSWER- megaloblastic macrocytic anemia,
diarrhea, fatigue
which vitamin is a coenzyme in amino acid metabolism? – ANSWERpyridoxine (b6)
which vitamins are coenzymes in fatty acid synthesis? – ANSWERpantothenic acid, biotin
which vitamin is a coenzyme in protein synthesis? – ANSWER- b12
pyridoxine (b6) deficiency symptoms? – ANSWER- seizures, anemia,
dermatitis, glossitis, peripheral neuropathy
__ is the most abundant mineral – ANSWER- calcium
excess zinc can lead to deficiency in what minerals? – ANSWER- copper
and iron
symptoms of zinc deficiency – ANSWER- reduced immune function,
alopecia, poor wound healing, hypoguesia
calcium helps iron absorption if what substance is present? – ANSWERoxalates; the oxalates will bind calcium rather than iron
what mineral is part of chlorophyll? – ANSWER- magnesium
functions of magnesium – ANSWER- protein and fatty acid synthesis,
stabilizes structure of ATP
deficiency of what mineral may lead to tetany? – ANSWER- calcium
functions of calcium – ANSWER- blood clotting, cardiac fxn, nerve
transmission, smooth muscle contractility
functions of copper – ANSWER- hgb synthesis, aids iron absorption
symptoms of copper deficiency – ANSWER- microcytic anemia,
neutropenia
Wilson’s disease – ANSWER- copper deficiency 2/2 genetic absence of
liver enzyme.
_ inhibit c. botulinum spores – ANSWER- nitrites about % of protein can be converted into glucose – ANSWER- 58%
what micronutrient is a component of lecithin – ANSWER- choline
what amino acids contain sulfur – ANSWER- cysteine, cystine,
methionine
An increase in __ in the diet requires an increase in thiamin – ANSWERCHO
Isaniozid, a drug that treats TB, interferes with metabolism of what
vitamin? – ANSWER- pyridoxine
what is the most easily destroyed vitamin – ANSWER- C (ascorbic acid)
what vitamins are synthesized by intestinal bacteria? – ANSWERbiotin, b12, thiamin, riboflavin, vitamin K
what mineral moves fat in/out of cells? – ANSWER- phosphorous
what is the best lab for assessing iron status? – ANSWER- serum ferritin
what minerals are involved in glucose metabolism – ANSWER- zinc,
chromium
function of chromium – ANSWER- enhances insulin action; deficiency
sign is insulin resistance