Human Body and Nutrition Quiz

What organ retains or releases body fluids, thereby regulating blood volume and blood pressure?

• bladder

• liver

• heart

• kidneys

• pancreas

What fluid fills the spaces between the cells as seen in the diagram as A

• Interstitial fluid

• Intravascular fluid

• Blood

• Lymph

Salt added at the table is the greatest single source of sodium in the diet.

• TRUE

• FALSE

Cations carry a __________ charge, while anions carry a __________ charge.

• electron; proton

• proton; electron

• positive; negative

• negative; positive

What does chloride do in the body?

• Helps to form muscle

• Helps to keep the body free from bacteria

• Helps to form blood

• Helps to form stomach acid

__________ is lost and sodium is gained as foods become more processed.

• Chloride

• Iron

• Potassium

• Phosphorus

75% of the body’s calcium can be found in our bones.

• TRUE

• FALSE

What is the strongest predictor of bone density?

• genetics

• physical activity

• age

• nutrition

What is osteoporosis?

• Weak muscle due to lack of exercise

• Stunt in growth due to protein deficiency

• Softening of the bones due to calcium deficiency

• Brittle bones due to calcium deficiency

What are magnesium's roles in the body?

• Participates in blood clotting

• Helps maintain gastric acidity

• Stabilizes protein shape

• Assists in energy metabolism

• Supports immune system function