Lead in water is especially damaging to ____, in whom it can cause ____ damage.

Lead in water is especially damaging to ____, in whom it can cause ____ damage.
 a. the elderly; bone
 b. teenagers; hearing
 c. children; neurologic
 d. the elderly; epidermal
 e. adolescents; reproductive

Q. 2

A similar type of anemia is produced when there is a deficiency of either
 a. iron and zinc
  b. vitamin B12 or folate
  c. vitamin B6 or vitamin B12
  d. vitamin K or vitamin C

Q. 3

Inflammation of the liver is known as ____.
 a. cirrhosis
 b. pancreatitis
 c. alcoholic hepatitis
  d. gastritis
 e. fatty liver

Q. 4

To maintain good health, the average person needs to consume _____ liters of water in food and fluids each day.
 a. 1-2 liters
  b. 2-4 liters
  c. 4-6 liters
  d. > 6 liters

Q. 5

Night blindness is a risk associated with even moderate drinking. Why is this?
 a. Alcohol makes the eyelids droop.
 b. Alcohol blocks the formation of retinal.
 c. Alcohol makes the pupil of the eye very small.
 d. Alcohol inhibits dehydrogenase enzymes in the eye.
 e. Alcohol causes increased quantities of potassium to be excreted.

Q. 6

Scurvy is characterized by the breakdown of connective tissue, especially the skin, blood vessels, and gums. This is caused by a deficiency in vitamin _____.
 a. Vitamin A
  b. Vitamin B
  c. Vitamin C
  d. Vitamin D

Q. 7

Which water contaminant is not sensitive to chlorine and is a potential threat to people with weakened immune systems?
 a. Escherichia coli
 b. Cryptosporidium
 c. Salmonella
 d. Shigella
 e. Staphylococcus aureus

Q. 8

Vitamin _____ is the non-B water soluble vitamin that is involved in the production of collagen.
 a. Vitamin A
  b. Vitamin B
  c. Vitamin C
  d. Vitamin E

Q. 9

Acetaldehyde affects production of red blood cells by destroying vitamin ____.
 a. B12
 b. C
 c. D
 d. B6
 e. E