Greg says that he usually eats 1 medium carrot every day to ensure that he's consuming enough vitamin A. Today he said he didn't eat any carrots and is worried that there is not enough vitamin A in his system. What would you say to Greg to allay his fear?
a. Take a vitamin A supplement as soon as you can
b. As long as you eat some chicken tonight you will not develop chicken eyes.
c. Well, there isn't any vitamin A in carrots so you probably haven't consumed vitamin A for some time now.
d. Don't worry; fat-soluble vitamins are stored in the body. It takes a lot longer than one day to develop any adverse effects.
Question 2
_____ are white blood cells that have the ability to engulf and destroy pathogens.
a. Phagocytes b. Immunoglobulins
c. Lymphocytes d. Lysozymes
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