Dietary factors affecting RBC production

Question 1

What is vitamin B12 and folic acid necessary for?

Answer 1

reproduction of all body cells, especially in hematopoietic tissue

Question 2

What is needed for haemoglobin synthesis?

Answer 2

Iron- comes from recycled old RBC

Question 3

What does a deficiency in RBC or quantity of haemoglobin result in?

Answer 3

Anaemia- reduces 02 carrying capacity of blood

Question 4

What happens to RBC with age?

Answer 4

Become increasingly fragile

damaged by passing through narrow capillaries

Question 5

Where is macrophage located and what is its role?

Answer 5

Found in liver and spleen

Phagocytize damaged RBC

Question 6

What is haemoglobin from decomposed RBC converted into?

Answer 6

heme+ globin

Question 7

What is heme composed into?

Answer 7

into iron and pigment biliverdin

Question 8

What is biliverdin converted into?

Answer 8

Bilirubin- pigment is excreted in bile

Question 9

What is globin broken down into?

Answer 9

Amino acids

Question 10

Where is iron stored and what is its function?

Answer 10

stored in liver

can recycle back to red bone marrow to synthesize new RBC