Which mineral is needed for healthy red blood cells?
(1 point)
Responses
iron
iron
calcium
calcium
potassium
potassium
sodium
iron
Where do nearly all of the body’s chemical reactions, including those that produce energy and build new tissues, take place?
(1 point)
Responses
in a water solution
in a water solution
in the blood
in the blood
in electrolytes
in electrolytes
in a fat solution
in a water solution
Which factor should you think about when you consider getting water from sports drinks?
(1 point)
Responses
whether you drink water from the tap or a bottle
whether you drink water from the tap or a bottle
the amount of time that you are going to exercise
the amount of time that you are going to exercise
whether you have eaten that day
whether you have eaten that day
the number of ounces of water you plan to drink
the amount of time that you are going to exercise
Which is the approximate percentage of your body weight that is water?
(1 point)
Responses
65 percent
65 percent
25 percent
25 percent
90 percent
90 percent
40 percent
65 percent
Why are additional fat-soluble vitamins often added to some low-fat and low-calorie products?
(1 point)
Responses
Fat-soluble vitamins can dissolve while the product is on the grocery shelf.
Fat-soluble vitamins can dissolve while the product is on the grocery shelf.
Some fat-soluble vitamins are hard to measure in small amounts.
Some fat-soluble vitamins are hard to measure in small amounts.
Some fat substitutes can prevent absorption of fat-soluble vitamins.
Some fat substitutes can prevent absorption of fat-soluble vitamins.
Fat-soluble vitamins are absorbed in the body very slowly.
Fat-soluble vitamins are absorbed in the body very slowly.
Some fat substitutes can prevent absorption of fat-soluble vitamins.
Why is it important to eat foods every day that contain water-soluble vitamins?
(1 point)
Responses
Water-soluble vitamins cannot be stored by the body.
Water-soluble vitamins cannot be stored by the body.
Water-soluble vitamins are found only in water.
Water-soluble vitamins are found only in water.
The body uses water-soluble vitamins very quickly.
The body uses water-soluble vitamins very quickly.
The body cannot absorb water-soluble vitamins very easily.
Water-soluble vitamins cannot be stored by the body.
Which is not a factor for why your body needs calcium in significant amounts?
(1 point)
Responses
Calcium is important in blood clotting.
Calcium is important in blood clotting.
Calcium maintains healthy red blood cells.
Calcium maintains healthy red blood cells.
Calcium is part of a functioning of the nervous system.
Calcium is part of a functioning of the nervous system.
Calcium helps form and maintains bones and teeth.
Calcium maintains healthy red blood cells.
How does water regulate body temperature?
(1 point)
Responses
by electrolyte balance
by electrolyte balance
by perspiration
by perspiration
by dehydration
by dehydration
by chemical reactions
by chemical reactions
by perspiration
Which is an example of homeostasis?
(1 point)
Responses
perspiring when the body overheats
perspiring when the body overheats
using caffeine to increase the amount of water the body excretes
using caffeine to increase the amount of water the body excretes
using exercise to get stronger muscles
using exercise to get stronger muscles
becoming dehydrated during very hot weather
becoming dehydrated during very hot weather
perspiring when the body overheats
which condition might result from eating a diet that is low in iron
scurvy
dehydration
anemia
homeostasis