HLTH 640 Quiz 3 Questions and Answers Fully Solved Latest Update 2025-2026
Vegetable oils, avocados, nuts, and seeds are rich in - AnswersNOT 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. - AnswersTrue
Hypercalcemia, abnormalities in the nervous system, and severe depression may result from -
AnswersVitamin D megadoses
Excesses of water-soluble vitamins are excreted from the body in urine and therefore they rarely
accumulate to toxic levels. - AnswersTrue
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 - Answersclot too quickly
The vitamins which are more likely to lead to toxicity symptoms are the _______ vitamins. -
Answersfat-soluble
Vitamin E deficiencies and toxicities are rare. - AnswersTrue
Water-soluble vitamins are ____ fat-soluble vitamins. - AnswersMore bioavailable than
Most water-soluble vitamins are not toxic because excesses are excreted in the - Answersurine
As long as individuals take nutritional supplements that have the USP label, it is not that
important to eat right. - AnswersFalse
All vitamins are organic because they contain - Answerscarbon
John is taking the anticoagulant medication Coumadin so he needs to monitor his vitamin K
intake from - Answersgreens, vegetable oils, and margarine
Vitamins A, D, E, and K are the ______ vitamins, but the B vitamins are the ______ vitamins. -
Answersfat-soluble; water- soluble
Inadequate intake of this vitamin can lead to blindness: vitamin - AnswersA.
To avoid toxicity symptoms, Dietary Reference Intakes include a tolerable upper intake level for
most vitamins, and this is the level which - Answersshould not be exceeded.
Individuals who are underconsuming B vitamins are likely to feel - Answerstired.
Fruits and vegetables which are ______ have been linked to lower rates of cancer of the lung,
mouth, and esophageal, stomach, and colon. - Answersnon-starchy
Folate needs vitamin B12 to stop in cell division. - AnswersFalse
, Folate coenzymes accept and donate one-carbon compounds in DNA and amino acid synthesis.
- AnswersTrue
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. - AnswersFalse
Niacin supplements may lead to - Answersflushing
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. -
AnswersNOT B12
Sore tongue, inflammation of the skin, depression, confusion, and small pale red blood cells
represent the deficiency symptoms of vitamin - AnswersNOT riboflavin
Wernicke-Korsakoff syndrome is a thiamin deficiency which is seen among - Answerschronic
alcohol abusers
Without the B vitamins, energy production would come to a halt. - AnswersTrue
A diet that is low in fruits and non-starchy vegetables increases the risk of developing cancer. -
AnswersTrue
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. - AnswersTrue
Fortification of cereal grains has resulted in fewer cases of - AnswersNOT Wernicke-Korsakoff
syndrome
Vitamin C acts as an antioxidant and helps neutralize free radicals. - AnswersTrue
____ 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. - AnswersCholine
Alcohol may not lead to dehydration because it is a liquid. - AnswersFalse
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. - Answerspolar
Excess water ingestion can result in water intoxication. - AnswersTrue
_____ occurs when the amount of water consumed is less than the amount of water lost. -
AnswersDehydration
Vegetable oils, avocados, nuts, and seeds are rich in - AnswersNOT 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. - AnswersTrue
Hypercalcemia, abnormalities in the nervous system, and severe depression may result from -
AnswersVitamin D megadoses
Excesses of water-soluble vitamins are excreted from the body in urine and therefore they rarely
accumulate to toxic levels. - AnswersTrue
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 - Answersclot too quickly
The vitamins which are more likely to lead to toxicity symptoms are the _______ vitamins. -
Answersfat-soluble
Vitamin E deficiencies and toxicities are rare. - AnswersTrue
Water-soluble vitamins are ____ fat-soluble vitamins. - AnswersMore bioavailable than
Most water-soluble vitamins are not toxic because excesses are excreted in the - Answersurine
As long as individuals take nutritional supplements that have the USP label, it is not that
important to eat right. - AnswersFalse
All vitamins are organic because they contain - Answerscarbon
John is taking the anticoagulant medication Coumadin so he needs to monitor his vitamin K
intake from - Answersgreens, vegetable oils, and margarine
Vitamins A, D, E, and K are the ______ vitamins, but the B vitamins are the ______ vitamins. -
Answersfat-soluble; water- soluble
Inadequate intake of this vitamin can lead to blindness: vitamin - AnswersA.
To avoid toxicity symptoms, Dietary Reference Intakes include a tolerable upper intake level for
most vitamins, and this is the level which - Answersshould not be exceeded.
Individuals who are underconsuming B vitamins are likely to feel - Answerstired.
Fruits and vegetables which are ______ have been linked to lower rates of cancer of the lung,
mouth, and esophageal, stomach, and colon. - Answersnon-starchy
Folate needs vitamin B12 to stop in cell division. - AnswersFalse
, Folate coenzymes accept and donate one-carbon compounds in DNA and amino acid synthesis.
- AnswersTrue
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. - AnswersFalse
Niacin supplements may lead to - Answersflushing
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. -
AnswersNOT B12
Sore tongue, inflammation of the skin, depression, confusion, and small pale red blood cells
represent the deficiency symptoms of vitamin - AnswersNOT riboflavin
Wernicke-Korsakoff syndrome is a thiamin deficiency which is seen among - Answerschronic
alcohol abusers
Without the B vitamins, energy production would come to a halt. - AnswersTrue
A diet that is low in fruits and non-starchy vegetables increases the risk of developing cancer. -
AnswersTrue
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. - AnswersTrue
Fortification of cereal grains has resulted in fewer cases of - AnswersNOT Wernicke-Korsakoff
syndrome
Vitamin C acts as an antioxidant and helps neutralize free radicals. - AnswersTrue
____ 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. - AnswersCholine
Alcohol may not lead to dehydration because it is a liquid. - AnswersFalse
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. - Answerspolar
Excess water ingestion can result in water intoxication. - AnswersTrue
_____ occurs when the amount of water consumed is less than the amount of water lost. -
AnswersDehydration
