Nutrition: Part 2 Quiz 4

Adequate fluoride intake during infancy and childhood cuts the incidence of tooth decay by up to ___ percent.

30 to 60

Overall, water comprises somewhere between ___ percent of a person's body weight.

45 to 75

The most sodium in a typical American diet comes from ..

processed foods

Which of the following choices is not a function of water?

providing caloric energy in the body

Chinese scientists demonstrated that ___ supplements could prevent Keshan disease.

selenium

Which one of the following minerals found in amino acids helps stabilize the three-dimensional shapes of proteins such as those in skin, hair, and nails?

sulfur

Factors that determine how much water intake is needed on a daily basis include all of the following except ..

age

When water intake is low, spinal cells in the brain signal the pituitary to release ..

antidiuretic hormone

Research indicates that lowering sodium may reduce ..

blood pressure

Calcitriol, parathyroid hormone, and calcitonin regulate ___ status.

calcium

Which mineral is responsible for making muscles contract or relax?

calcium

As a result of excessive vomiting, people with bulimia nervosa often have low ___ levels.

chloride

Sensors in the kidneys can detect a rapid loss of fluid after the occurrence of ..

drop in blood pressure

When in sync with the movement of ___, water is able to flow back and forth through the cell membrane.

electrolytes

All of the following characteristics are functions of chloride except ..

increasing absorption in a person with high blood pressure

When minerals or salts dissolve in water, they form ..

ions

Too much ___ for children can be toxic, including symptoms of nausea, vomiting, rapid heartbeat, and diarrhea.

iron

Optimal calcium intake throughout life reduces chances of ..

osteoporosis

Why is it recommended that pregnant women meet the RDA of 27 milligrams of iron per day?

to help ensure the baby receives adequate iron