Test 3 review guide

Which of the following impairs iron absorption?​

phytates

Adults in the United States consume an average of _____ milligrams per day of sodium

3400 (page 313)

Breast-fed infants absorb about _____ percent of ingested calcium

60 (page 307)

Which food provides the least amount of available zinc?​

Legumes

Which food has the lowest percentage of water?

margarine

Which element stabilizes bones and makes teeth resistant to decay?​

Fluoride (page 327)

Which statement is true about groundwater as a drinking water supply?

It comes from deep, protected underground aquifers

Water excretion is regulated by the brain and the:​

Kidneys

Sulfate is adequate in a diet that contains sufficient:

Protein

The principal food source of chloride is:

Salt (page 317)

The chief ion used to maintain the volume of fluid outside cells is

Sodium

Water assists in:​

Temperature Regulation

The first sign of dehydration is:​

Thirst

Which of the following makes up about 60 percent of the body's weight?

Water

Which of the following holds the key to maintaining the best possible immune system support?

adequate nutrition

The best source of phosphorus is:​

animal protein. (page 310)

Which of the following must be given careful attention when feeding the person with AIDS?

food safety

Which characteristic or function of water allows it to act as a lubricant?​

incompressibility (page 295)

Which element must be available for thyroxine to be synthesized?​

iodine

Which agency is responsible for ensuring that public water systems meet minimum standards for protection of public health?​

​Environmental Protection Agency

Over half of the body's magnesium is stored in the

​bones. (page 310)

What is the most abundant mineral in the body?

​calcium

Hard water has high concentrations of:​

​calcium and magnesium.

Calcium in the body's fluids performs all of the following major roles except:​

​facilitating muscle contraction. (Page 307)

When you eat pizza, the body will respond to the sodium you ingest by:​

​first signaling immediate thirst to offset the sodium intake. (Page 312)

A zinc toxicity reduces ____.​

​iron absorption (page 325)

A person's absorption of calcium varies based on:​

​protein intakes. (page 307)

Which food provides the highest amount of zinc?​

​shellfish

During physical activity, the body will cool down by:

​sweating to carry heat away from the surface of the body.