Vitamin K's primary role in the body is :

Vitamin K's primary role in the body is
 
  A) muscle contraction. B) enzyme action.
  C) blood clotting. D) nerve transmission.

Q. 2

Newborn infants receive a single injection of vitamin K at birth because
 
  A) newborns cannot absorb any of the vitamin K from breast milk or formula.
  B) the trauma of labor and delivery depletes the newborn's vitamin K stores.
  C) breast milk is a poor source of vitamin K.
  D) newborns do not have enough bacteria in their small intestine to make vitamin K.

Q. 3

The first B-vitamin discovered was
 
  A) folate. B) thiamin. C) vitamin B12. D) niacin.

Q. 4

What is the primary role of the B-vitamins?
 
  A) provide the body directly with energy B) maintain and repair body tissues
  C) act as coenzymes D) maintain acid-base balance

Q. 5

Which of the following is NOT a gender-specific factor affecting the risk of developing
  osteoporosis?
 
  A) Men have a lower absolute bone density than women.
  B) Women live longer than men.
  C) Men experience social pressure to lift weights to bulk up.
  D) Hormonal changes as men age do not affect bone density as dramatically as they do for
  women.

Q. 6

Which of the following would NOT be good advice to offer someone who is selecting a calcium
  supplement?
 
  A) Your body cannot absorb more than 500 mg at any given time.
  B) Look for a calcium supplement that is labeled lead-free.
  C) Select a calcium carbonate supplement as it contains the most calcium per dose.
  D) Take your calcium supplement on an empty stomach to increase absorption.