Question 1

Which vitamin is needed to make coenzyme A?

Accepted Answer

Pantothenic acid is required to make coenzyme A.

Question 2

Which of the following foods is a good source of vitamin B-12?

Accepted Answer

Lean meats, such as beef, chicken, and pork, are good sources of vitamin B-12. Walnuts and whole-wheat bread do not contain significant amounts of vitamin B-12, and raw carrots contain none.

Question 3

Kevin is a bodybuilder who takes a variety of vitamin supplements.He often has diarrhea,and last week he was diagnosed with a kidney stone.Based on this information,which of his supplements is most likely contributing to his current health problems?

Accepted Answer

Excess intake of vitamin C is known to cause diarrhea and contribute to the formation of kidney stones. Thiamin, biotin, and vitamin B-6 are not known to cause these health issues.

Question 4

Which of the following foods is a rich source of vitamin C?

Accepted Answer

Papaya is a rich source of vitamin C, whereas chicken, eggs, and whole-wheat bread are not significant sources of vitamin C.

Question 5

Which of the following foods is a rich source of vitamin C?

Accepted Answer

Broccoli is a rich source of vitamin C, with one cup providing over 100% of the recommended daily intake. Fat-free milk, ground beef, and whole-wheat bread do not contain significant amounts of vitamin C.

Question 6

Your best friend eats plenty of meats and dairy products but avoids eating fruits and vegetables.She bruises easily,her sores take a long time to heal,and her gums bleed when she brushes her teeth.Based on this information,which of the following vitamins is most likely to be deficient in her diet?

Accepted Answer

The symptoms of bruising easily, slow wound healing, and bleeding gums are all indicative of a deficiency in Vitamin C, which is found in fruits and vegetables. While vitamins B-6, B-12, and pantothenic acid are also important for various functions in the body, they are not directly related to these specific symptoms.

Question 7

Charcoal-broiled meats may be a source of _____.

Accepted Answer

Charcoal-broiled meats have been found to contain heterocyclic amines (HCAs) which are carcinogenic compounds formed during the cooking process. Options A, B, and D are not typically associated with charcoal-broiled meats.

Question 8

____ is a carcinogen.

Accepted Answer

Regular consumption of alcohol is a known risk factor for many types of cancer, including breast, liver, and colorectal cancer. It is classified as a Group 1 carcinogen by the International Agency for Research on Cancer. Consuming alcohol in moderation is generally considered safe, but excessive alcohol intake can increase the risk of cancer and other health problems.

Question 9

Vitamin C _____.

Accepted Answer

Vitamin C is required for the synthesis of collagen, which is an important structural component of connective tissues such as skin, tendons, ligaments, and cartilage.

Question 10

Dorothy is a 65-year-old woman with pernicious anemia.What treatment would her doctor recommend?

Accepted Answer

Pernicious anemia is caused by a deficiency in vitamin B-12, which is essential for the production of red blood cells. The best treatment for pernicious anemia is vitamin B-12 injections, as the oral form of the vitamin is not well absorbed by people with this condition. Vitamin C supplements and a vegan diet are not directly relevant to the treatment of pernicious anemia. Iron supplements may be helpful for some types of anemia, but would not be effective for pernicious anemia specifically.

Question 11

Which of the following foods is a good source of vitamin C?

Accepted Answer

White potato is a good source of vitamin C. One medium-sized potato contains about 27 mg of vitamin C, which is 30% of the recommended daily intake (RDI) for adults. Fat-free milk, whole-wheat bread, and beef steak do not contain significant amounts of vitamin C.

Question 12

Marta is a teenager who doesn't eat fruits and vegetables.Her diet consists primarily of chicken,cottage cheese,yogurt,enriched bread,and butter.Furthermore,she doesn't take dietary supplements.Based on this information,Marta has a high risk of developing _____.

Accepted Answer

Marta's diet is lacking in fruits and vegetables, which are important sources of vitamin C. Without sufficient vitamin C, Marta is at risk of developing scurvy, a disease caused by a deficiency in vitamin C. Beriberi is a deficiency of thiamine (vitamin B1), which is found in enriched bread, so it is less likely. Pellegra is a deficiency of niacin (vitamin B3), which is not present in the foods listed in Marta's diet. Osteomalacia is a deficiency of vitamin D, which can be obtained from exposure to sunlight and from dietary sources such as fortified milk and fish, but is not typically associated with the foods in Marta's diet.

Question 13

Blake is a college student whose diet consists primarily of enriched white bread,chicken,meat,cheese,yogurt,and milk.Furthermore,he doesn't take dietary supplements.Based on this information,Blake has a high risk of developing _____.

Accepted Answer

The answer of Blake is a college student whose diet...

Question 14

Which of the following foods is a good source of vitamin B-12?

Accepted Answer

Eggs are a good source of vitamin B-12, which is primarily found in animal products. Whole-wheat bread, apples, and peanuts do not contain significant amounts of vitamin B-12.

Question 15

Routine vitamin C supplementation _____.

Accepted Answer

Routine vitamin C supplementation may help reduce the duration of cold symptoms by a day or so, but it does not prevent common colds, Alzheimer's disease, or reduce the risk of kidney stones.

Question 16

Edna is 70 years of age.She is very healthy,and the only medication she takes is a prescription drug that reduces her stomach's acid production.Her diet includes a variety of foods from all food groups.Based on this information,Edna is at risk of developing _____.

Accepted Answer

As people age, they may produce less stomach acid, which is necessary for absorbing vitamin B12. Edna's medication further reduces stomach acid, increasing her risk of vitamin B12 deficiency, which can lead to pernicious anemia.

Question 17

Intrinsic factor is needed to absorb vitamin _____.

Accepted Answer

Intrinsic factor is needed for the absorption of vitamin B-12. Without intrinsic factor, vitamin B-12 cannot be absorbed in the intestine and can lead to pernicious anemia. It is not required for the absorption of vitamins A, C, or B-6.

Question 18

When consumed with certain plant foods,vitamin C enhances the absorption of _____.

Accepted Answer

Vitamin C enhances the absorption of non-heme iron found in plant-based foods.

Question 19

Which of the following foods is a good source of vitamin B-12?

Accepted Answer

Fat-free milk is a good source of vitamin B-12, which is important for nerve function and healthy blood cells. Broccoli, grapefruit juice, and whole-wheat crackers do not contain significant amounts of vitamin B-12.

Question 20

_____ results from lack of intrinsic factor.

Accepted Answer

Pernicious anemia is a type of anemia that results from a lack of intrinsic factor, which is necessary for the absorption of vitamin B12.

Quiz 10: Water-Soluble Vitamins

Which vitamin is needed to make coenzyme A?

Which of the following foods is a good source of vitamin B-12?

Kevin is a bodybuilder who takes a variety of vitamin supplements.He often has diarrhea,and last week he was diagnosed with a kidney stone.Based on this information,which of his supplements is most likely contributing to his current health problems?

Which of the following foods is a rich source of vitamin C?

Which of the following foods is a rich source of vitamin C?

Your best friend eats plenty of meats and dairy products but avoids eating fruits and vegetables.She bruises easily,her sores take a long time to heal,and her gums bleed when she brushes her teeth.Based on this information,which of the following vitamins is most likely to be deficient in her diet?

Charcoal-broiled meats may be a source of _____.

____ is a carcinogen.

Vitamin C _____.

Dorothy is a 65-year-old woman with pernicious anemia.What treatment would her doctor recommend?

Which of the following foods is a good source of vitamin C?

Marta is a teenager who doesn't eat fruits and vegetables.Her diet consists primarily of chicken,cottage cheese,yogurt,enriched bread,and butter.Furthermore,she doesn't take dietary supplements.Based on this information,Marta has a high risk of developing _____.

Blake is a college student whose diet consists primarily of enriched white bread,chicken,meat,cheese,yogurt,and milk.Furthermore,he doesn't take dietary supplements.Based on this information,Blake has a high risk of developing _____.

Which of the following foods is a good source of vitamin B-12?

Routine vitamin C supplementation _____.

Edna is 70 years of age.She is very healthy,and the only medication she takes is a prescription drug that reduces her stomach's acid production.Her diet includes a variety of foods from all food groups.Based on this information,Edna is at risk of developing _____.

Intrinsic factor is needed to absorb vitamin _____.

When consumed with certain plant foods,vitamin C enhances the absorption of _____.

Which of the following foods is a good source of vitamin B-12?

_____ results from lack of intrinsic factor.