Chapters 7-8 Flashcards
.
. The body will signal thirst before dehydration occurs to prevent problems with fluid loss.
a. True
b. False
.
FALSE
Low salt intakes have been linked with lower rates of stomach cancer.
a. True
b. False
TRUE
. A deficiency of sodium is not harmful.
a. True
b. False
FALSE
The B vitamins work together with enzymes in the metabolism of energy nutrients and in the making of new cells.
a. True
b. False
TRUE
- The main source of iodine in the U.S. is plants grown in the middle part of the country.
a. True
b. False
FALSE
Whether a person develops osteoporosis seems to depend partly on heredity and partly on the environment, including nutrition.
a. True
b. False
TRUE
The primary role of fluoride is to prevent dental caries throughout life.
a. True
b. False
TRUE
- Some minerals act as buffers to help maintain body fluids at the correct pH to permit life’s processes.
a. True
b. False
TRUE
. Soft water contains sodium, which may aggravate hypertension.
a. True
b. False
TRUE
- Vitamin D deficiency in children can cause bowed legs, an abnormality seen in the disease rickets.
a. True
b. False
TRUE
Which individuals should avoid vitamin C supplements because of above-normal risk of negative effects?
a. smokers with low produce intakes
b. people with too much cholesterol in their blood
c. people with colds
d. people with kidney disorders
e. people with burn injuries
d. people with kidney disorders
Water-soluble vitamins:
a. are stored in body tissues to a large extent.
b. often result in toxicities among infants and children.
c. are not damaged by high temperatures or oxygen exposure.
d. dissolve in body fluids but not in cooking water.
e. are easily excreted in the urine.
e. are easily excreted in the urine.
. Research suggests that deficiency of vitamin D may lead to:
a. low blood pressure.
b. cardiovascular disease.
c. gallbladder disease.
d. kidney stones.
e. blood disorders.
b. cardiovascular disease.
- Water excretion is regulated by the brain and the:
a. bloodstream.
b. kidneys.
c. stomach.
d. salivary glands.
e. pituitary gland.
e. pituitary gland.
The main reason for fortifying enriched grain products with folic acid is to:
a. reduce the incidence of birth defects called neural tube defects.
b. help lower serum folate concentrations during pregnancy.
c. make up for the lack of prenatal care.
d. prevent mental retardation from developing late in the pregnancy.
e. prevent cardiovascular disease.
a. reduce the incidence of birth defects called neural tube defects.
A young woman wanting to build maximum bone density should do all of the following except:
a. reduce her intake of protein.
b. reduce her sodium intake.
c. limit her intake of regular cola drinks.
d. participate in regular weight-bearing exercise.
a. reduce her intake of protein.
. Important roles of vitamin D include all of the following except:
a. cell growth and specialization.
b. influence over hair follicles.
c. influence over reproductive system cells.
d. health of the retina in the eye.
e. bone health.
d. health of the retina in the eye.
. Sulfate is adequate in a diet that contains sufficient:
a. fat.
b. protein.
c. carbohydrate.
d. vitamins.
e. calcium.
b. protein.
By definition, a vitamin is all of the following except:
a. an organic compound.
b. indispensable to body function.
c. needed in minute amounts.
d. an energy-yielding nutrient.
e. required to prevent deficiency diseases.
d. an energy-yielding nutrient.
- Which of the following impairs iron absorption?
a. heme
b. MFP factor
c. vitamin C
d. phytates
e. sodium
d. phytates
Which food has the lowest percentage of water?
a. Chinese cabbage
b. fresh apple
c. ready-to-eat cereals
d. lean steak
e. margarine
c. ready-to-eat cereals 1-4%
- Which agency is responsible for ensuring that public water systems meet minimum standards for protection of public health?
a. Food and Drug Administration
b. Environmental Protection Agency
c. Food Safety and Inspection Service
d. World Health Organization
e. Water Protection Agency
b. Environmental Protection Agency
- Because this cereal has been made using whole-grain wheat:
a. it has not been fortified with thiamin, riboflavin, or niacin.
b. 100% of its B vitamins will be absorbed into the body.
c. it will require less fortification than a refined wheat cereal to reach 100% of the DV.
d. absorption of its B vitamins will be blocked because of the fiber content.
e. it also contains all the fat-soluble vitamins because it includes the germ layer.
c. it will require less fortification than a refined wheat cereal to reach 100% of the DV.
- When a child has a virus that has caused vomiting and diarrhea over several days’ time, it is critical for her to receive medical care because:
a. her fever will cause her to retain too much extra fluid.
b. she may need help in replacing extreme fluid losses.
c. in the cells, sodium concentration increases, leading to danger of swelling.
d. her kidneys will pump extra fluids into the bloodstream.
e. the illness may have been caused by contaminated drinking water.
b. she may need help in replacing extreme fluid losses.