HCC BIOL1322 Chapter 8 Quiz Latest 2022

BIOL1322 Nutrition & Diet Therapy

Chapter 8 Quiz

Exposing milk to light can reduce its ________ content.

Riboflavin

niacin

thiamin

vitamin D

 

Which of the following statements is true about vitamins?

They are usually in foods that Americans commonly eat.

Compared to protein, the body requires vitamins in larger quantities.

Excesses can be converted to glucose for energy.

Chemically, they are the same as minerals.

 

A medical researcher is investigating the chemical and physical properties of substance that she isolated from the surface of charcoal-grilled meat. When the scientist mixes a small amount of the substance with living human cells, the chemical causes the rapid breakdown of the cells' plasma membranes. She is able to prevent this reaction by adding vitamin C to the mixture of the substance chemical and cells. Based on this information, the scientist has ________.

discovered that vitamin C is has pro-oxidant activity during in vivo experiments

determined that the chemical isolated from charcoal-grilled meat is an oxidizing agent

isolated a potential treatment for cancer in charcoal-grilled meat

conducted an in vitro experiment under poorly controlled conditions

 

________ are fat-soluble vitamins.

Vitamins K, E, and D

Niacin, riboflavin, and thiamin

Pantothenic acid, vitamin A, and choline

Vitamins B-12, B-6, and E

 

Adding a small amount of ________ to cooked vegetables can enhance the intestinal tract's ability to absorb the fat-soluble vitamins they contain.

sugar

water

butter

Wine

 

In general, yellow, red, and orange fruits and vegetables are rich sources of ________.

beta-carotene

vitamin D

essential amino acids

gelatine

 

Excessive vitamin D consumption can result in ________.

No particular health problems, because the vitamin is rapidly excreted in urine

deposition of calcium in soft tissues

megaloblastic anemia

increased blood clot formation

 

Which of the following statements is true?

Technically, vitamin E is not a vitamin because the body can make the nutrient.

According to scientific research, 75% of Americans consume diets that supply excessive amounts of vitamin E.

Premature infants are at risk of vitamin E deficiency.

Megadoses of vitamin E are associated with bone pain, general weakness, and death.

 

Vitamin ________ protects polyunsaturated fatty acids from being damaged by radicals.

D

B-12

E

K

 

Which of the following foods is a good dietary source of beta-carotene?

Hamburger 

Salmon

Broccoli

Bread

 

Which of the following vitamins functions as a hormone in the human body?

Niacin

Vitamin C

Vitamin D

Riboflavin

 

Of the following foods, which is the richest source of riboflavin?

Tomatoes

Corn oil margarine

Fat-free milk

Red delicious apples

 

The body needs folate to produce a coenzyme that ________.

helps form DNA

metabolizes vitamin E

transmits nervous impulses

protects fatty acids from oxidation

 

Which of the following vitamins is part of a coenzyme that participates in energy metabolism?

Vitamin A

Pantothenic acid

Vitamin K

Ascorbic acid

 

A person who does not produce intrinsic factor will develop ________.

osteomalacia

pellagra

cystic fibrosis

pernicious anemia

 

Which of the following foods is a good source of thiamin?

Cheddar cheese

Bread made from enriched wheat flour

Corn oil

Milk

 

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

Brown rice

Fat-free milk

Grapefruit juice

Broccoli

 

Routine vitamin C supplementation ________.

may reduce the risk of kidney stones

prevents common colds among the general population

prevents Alzheimer's disease

may reduce the duration of cold symptoms by a day or so

 

Jamal wants to lower his risk of cancer. He should ________.

drink less water

reduce his fiber intake

reduce his coffee intake

avoid drinking alcohol

 

Which of the following organs is the leading site for cancer deaths among American men and women?

Liver

Prostate

Lung

Breast