Jennifer says she drinks bottled water because it is safer than tap water. You tell her that bottled water:
a. has been withdrawn from an underwater spring and is naturally pure.
b. has been filtered by the manufacturer to remove contaminants.
c. all tastes exactly the same as tap water.
d. may be treated tap water.
e. is a sound environmental decision.
Q. 2What statement is true regarding water chlorination?
a. It has no effect on many harmful microorganisms found in water.
b. It has been documented to cause cancer in people who drink it regularly.
c. Alternative treatment systems for water are much less expensive and faster to use than chlorination.
d. Deaths from organisms in non-chlorinated water are common in some parts of the world.
e. It does not easily kill disease-causing organisms in water.
Q. 3A friend informs you that she is planning to purchase a water softener. Which statement is most appropriate for you to make to your friend?
a. Hard water makes more bubbles with less soap than soft water and is more desirable.
b. Soft water leaves a ring in the tub and a gray residue in the wash, which are undesirable.
c. Soft water appears to aggravate hypertension, which is undesirable.
d. Soft water has higher concentrations of calcium and magnesium than hard water, which is desirable.
e. There is no difference in mineral content of soft and hard waters.
Q. 4Which is the most accurate statement about beverage consumption practices in the U.S.?
a. The average calorie intake from beverages among U.S. adults over 20 years old increases with age.
b. Vegetable juices are a concern because their intake adds a significant amount of discretionary calories.
c. The mild diuretic effect of a moderate intake of caffeinated beverages does not prevent people from meeting fluid needs.
d. Artificially sweetened carbonated beverages do not crowd more nutritious foods out of the diet.
e. Sports beverages are beneficial because most exercisers need the extra carbohydrate for fuel.
Q. 5What is the best beverage choice?
a. sports drinks because they replace important minerals missing from the diet
b. hard water because it has a high concentration of calcium and magnesium
c. soft water because it replaces sodium that is lost from the body
d. fruit juices because they naturally contain vitamins and minerals
e. bottled water because it is guaranteed to be safe
Q. 6When your body gives the thirst signal, it is important to:
a. consider drinking fluids in the near future to prevent dehydration.
b. ignore the signal because you just had a large glass of water.
c. drink fluids to relieve the symptoms of dehydration.
d. drink large volumes of plain water to prevent water intoxication.
e. drink a sports beverage because thirst is a signal of electrolyte imbalance.
Q. 7When you eat pizza, the body will respond to the sodium you ingest by:
a. controlling water movement tightly to prevent any fluctuations in body weight.
b. turning off the thirst signal to reduce additional intake of fluids.
c. signaling the kidneys to immediately begin removing fluid from the body.
d. shifting water back into the bloodstream to reduce the sodium concentration.
e. first signaling immediate thirst to offset the sodium intake.
Q. 8During physical activity, the body will cool down by:
a. sweating to carry heat away from the surface of the body.
b. increasing urination to carry heat away through the kidneys.
c. drawing the blood away from the surface of the skin to let the body core cool it.
d. using the water from metabolism to cool the body core.
e. inhaling oxygen and cooling the blood as it flows through the oxygenated lungs.