HLTH 640 Quiz 3 With Complete Answers Latest Update 2024
Vegetable oils, avocados, nuts, and seeds are rich in - Answers NOT retinol equivalents
Bioavailability of individual vitamins varies based on the amount of the vitamin in the food, whether the
food is cooked, raw, or refined, the food's digestibility, an individual's nutrition status, and whether the
vitamin is a natural or synthetic form. - Answers True
Hypercalcemia, abnormalities in the nervous system, and severe depression may result from - Answers
Vitamin D megadoses
Excesses of water-soluble vitamins are excreted from the body in urine and therefore they rarely
accumulate to toxic levels. - Answers True
If individuals taking Coumadin suddenly increase the vitamin K in their diets, the vitamin can override
the effect of the drug, enabling the blood to - Answers clot too quickly
The vitamins which are more likely to lead to toxicity symptoms are the _______ vitamins. - Answers fat-
soluble
Vitamin E deficiencies and toxicities are rare. - Answers True
Water-soluble vitamins are ____ fat-soluble vitamins. - Answers More bioavailable than
Most water-soluble vitamins are not toxic because excesses are excreted in the - Answers urine
As long as individuals take nutritional supplements that have the USP label, it is not that important to
eat right. - Answers False
All vitamins are organic because they contain - Answers carbon
John is taking the anticoagulant medication Coumadin so he needs to monitor his vitamin K intake from -
Answers greens, vegetable oils, and margarine
Vitamins A, D, E, and K are the ______ vitamins, but the B vitamins are the ______ vitamins. - Answers
fat-soluble; water- soluble
Inadequate intake of this vitamin can lead to blindness: vitamin - Answers A.
To avoid toxicity symptoms, Dietary Reference Intakes include a tolerable upper intake level for most
vitamins, and this is the level which - Answers should not be exceeded.
Individuals who are underconsuming B vitamins are likely to feel - Answers tired.
Fruits and vegetables which are ______ have been linked to lower rates of cancer of the lung, mouth,
and esophageal, stomach, and colon. - Answers non-starchy
, Folate needs vitamin B12 to stop in cell division. - Answers False
Folate coenzymes accept and donate one-carbon compounds in DNA and amino acid synthesis. -
Answers True
The vitamin B6 which is found in meat, fish, poultry, legumes, bananas, and fortified cereals, act as a
coenzyme for over 1000 enzymes, most of which are involved in protein metabolism, glycogenolysis,
and red blood cell synthesis. - Answers False
Niacin supplements may lead to - Answers flushing
Vitamin ____ is rich in fruits and vegetables; assists in the formation of collagen, acts as an antioxidant,
supports the immune system, and improves the absorption of nonheme iron. - Answers NOT B12
Sore tongue, inflammation of the skin, depression, confusion, and small pale red blood cells represent
the deficiency symptoms of vitamin - Answers NOT riboflavin
Wernicke-Korsakoff syndrome is a thiamin deficiency which is seen among - Answers chronic alcohol
abusers
Without the B vitamins, energy production would come to a halt. - Answers True
A diet that is low in fruits and non-starchy vegetables increases the risk of developing cancer. - Answers
True
To reduce the risk of birth defects, Alisha, who plans to get pregnant in October, should increase folic
acid consumption in September, and she should continue until the early months of pregnancy. - Answers
True
Fortification of cereal grains has resulted in fewer cases of - Answers NOT Wernicke-Korsakoff syndrome
Vitamin C acts as an antioxidant and helps neutralize free radicals. - Answers True
____ functions as part of the phospholipid that makes up cell membranes; it functions in liver
metabolism; it participates in nerve transmission; it assists in the transport of lipids as part of the VLDL;
and it plays a key role in fetal development. - Answers Choline
Alcohol may not lead to dehydration because it is a liquid. - Answers False
Because of its _____ nature, water interacts with other nutrients, serves as an acid-base buffer,
transports oxygen and nutrients throughout the body, regulates body temperature, is a lubricant, and
participates in hydrolysis and condensation. - Answers polar
Excess water ingestion can result in water intoxication. - Answers True
_____ occurs when the amount of water consumed is less than the amount of water lost. - Answers
Dehydration
