Flashcards in Nutrients in Immunity Deck (58)
What are the 4 major components of the immune system?
2. Gut-associated lymphoid tissue (GALT)
3. White blood cells (WBCs)
4. Lymphoid tissue
What is a nearly continuous barrier to invading pathogens?
What are the 2 main types of white blood cells (WBCs)?
2. T and B cells
Which type of white blood cell ingests and digests pathogens?
Which type of white blood cell is a lymphocyte that recognizes specific pathogens and mounts immune responses?
T and B cells
What are the 3 lymphoid tissues in the body?
1. Bone marrow
Which lymphoid tissue produces immune stem cells?
The bone marrow
Which lymphoid tissue is the location of T cell maturation?
Which lymphoid tissue has an abundance of macrophages?
What percentage of the immune system does the gut-associated lymphoid tissue (GALT) make up?
What is an anti-bacteria agent?
What does the skin secrete?
Which lymphoid tissue is the site of B cell maturation?
The bone marrow
Which lymphoid tissue clears damaged RBCs?
What are rapidly dividing cells in the body?
Which nutrients are needed to maintain immune cells?
Protein, vitamin B6, folate, vitamin B12 and iron
Which 2 vitamins work together to regulate gene expression in immune cells?
Vitamin D and vitamin A
Which vitamin promotes immune cell division?
Why are antioxidants important to the health of WBCs?
They protect the oxidizing agents that kill pathogens
True vitamin A is only found in what type of food?
What is the molecule that is found in plant foods that can be converted to vitamin A?
How effective is the conversion of carotenoids?
What are animal sources of true vitamin A?
Liver, egg yolks and full fat dairy
What are plant sources of true vitamin A?
Carrots and sweet potatoes
What percentage of carotenoids is effectively converted in true vitamin A?
What does vitamin A help skin cells become?
Mature, functional cells
What does Vitamin A deficiency cause?
The breakdown of protective barriers
Why is vitamin A referred to as the “anti-infection” vitamin?
It supports the activity of T cells to fight off bacteria and it improves vaccine efficacy
What is the role of zinc in immunity?
It's vital for WBC formation and function