NUFD 10 EXAM 2 UPDATED ACTUAL Questions and CORRECT Answers

NUFD 10 EXAM 2 UPDATED ACTUAL
Questions and CORRECT Answers
The main function of Vitamin K is ... - CORRECT ANSWER - blood clotting



Fat soluble vitamins include the following except... - CORRECT ANSWER - Vitamin C



Main functions of Vitamin D include the following except... - CORRECT ANSWER --
regulation and absorption of Calcium
-bone growth and maintenance
-prevent a deficiency disease like rickets


Fortification of foods is... - CORRECT ANSWER - addition of vitamins and minerals to
foods


Cracks and redness of lips and corners of your mouth can be a result of deficiency in ... -
CORRECT ANSWER - Riboflavin



Vitamin ___ and Vitamin ___ are both antioxidants. - CORRECT ANSWER - A and E



In the conversion of glycogen to glucose, we need the vitamin... - CORRECT ANSWER -
B6 Pyridoxine


As discussed in class, when Calcium levels in the blood fall, ______ is produced by the
parathyroid gland which then stimulates production of active Vitamin D. - CORRECT
ANSWER - Parathyroid Hormone (PTH)



Folate helps with - CORRECT ANSWER - cell division and development

,Vitamins are... - CORRECT ANSWER - essential nutrients



Kimani - CORRECT ANSWER - -dying from a Vitamin D Deficiency.
-Rickets


What is Vitamins? - CORRECT ANSWER - -Micronutrients
-Essential Nutrients
-Already broken down into individual units
-Bioavailability
-Solubility


Vitamin D - CORRECT ANSWER - -"sunshine"
-made in skin, from cholesterol and UV light
-not enough sun exposure makes it essential to consume
-activated in the kidneys and liver


Vitamin D function - CORRECT ANSWER - -help bone growth and maintenance
-regulates Calcium
-regulate protein synthesis
-possibly regulates cardiovascular function


Regulation of Blood Calcium - CORRECT ANSWER - -Calcitriol: fully activated form of
Vitamin D from the kidneys
-Calcitriol increases absorption of calcium in the intestines
-Active Vitamin D and parathyroid hormone decrease calcium excretion by the kidneys


Deficiency in Vitamin D - CORRECT ANSWER - -May increase risk of...
-Rickets

,-Osteomalacia in adults
-Cancer -Autoimmune diseases
-Kidney Disease
-Type 2 Diabetes
-Cardiovascular disease


Vitamin A - CORRECT ANSWER - -Active forms include Retinoids



Functions of Vitamin A - CORRECT ANSWER - -Vision
-Cell Development
-Immune function
-Growth
-Bone health
-Reproduction


Vitamin A deficiency - CORRECT ANSWER - Hypovitaminosis A:
-Night blindness
-Permanent blindness
-Impaired immunity
-Rough, dry, or scaly skin
-Keratinization


Golden rice - CORRECT ANSWER - -Enhancing rice crops in countries where rice is
critical for survival
-Fortification
-Approximately 250M preschool children are deficient in Vitamin A
-Biofortification

, Vitamin A Toxicity - CORRECT ANSWER - Hypervitaminosis A
-Comes mostly from supplements
-UL for adults is 3000mcg RAE
- Pregnant women need to be cautious
-Birth Defects
-Excess of plant sources do not cause toxicity
-Beta carotene can turn your skin yellow


Vitamin E - CORRECT ANSWER - -Tocopherols
-Dietary Sources: sunflower oil, almonds, canola oil, avocados
-Function: Antioxidant, cell protection, immunity


Toxicity of Vitamin E - CORRECT ANSWER - -UL=1000mg or 1500 IU
-Caused by high supplement intake
-Increase tendency to bleed


Vitamin K - CORRECT ANSWER - -Produced by Bacteria in the intestines
-Function: Blood clotting, bone metabolism
-Dietary sources: leafy green vegetables, prunes


Vitamin K deficiency - CORRECT ANSWER - Hemorrhaging



Vitamin B - CORRECT ANSWER - Most are coenzymes in energy metabolism
-B1: Thiamin
-B2: Riboflavin
-B3: Niacin
-B5: Pantothenic Acid
-B6: Pyridoxine