L2

Question 1

Blood cells are formed through a process
called Hematopoiesis in the bone marrow
from the original stem cell called:

Answer 1

Pluripotential hematopoietic stem cells

Question 2

The normal hemoglobin concentration is
about —- grams/100 milliliters of blood
cells
- The normal of hemoglobin level in men is
about ——- gram/dl of blood, and ——
gram/dl of blood, in women.

Answer 2

34 grams/100 milliliters
14-16 gram/dl
12-14gram/dl

Question 3

Iron is very important for the formation
of:

Answer 3

1.hemoglobin
2.myoglobin
3.cytochromes
4.cytochrome oxidase
5.peroxidase
6.catalase

Question 4

the total quantity of iron in the body is
about ______ grams.
- _____% of which is in the form of
hemoglobin.
- ______% of which is in the form of myoglobin.
- ______% of which is combined with the protein transferring in the blood plasma
- _______% is stored for later use,

Answer 4

the total quantity of iron in the body is
about 4-5 grams.
- 65 % of which is in the form of
hemoglobin.
- 4 % of which is in the form of myoglobin.
- 0.1 % of which is combined with the
protein transferring in the blood plasma
- 15-30 % is stored for later use,

Question 5

15-30 % is stored for later use, mainly in reculoendothelial system and liver, in the form of:

Answer 5

ferritin.

Question 6

• In men, ______ mg of iron is excreted into
  the feces each day.
• In women, ______ mg of iron is excreted into
  the feces and in menses

Answer 6

• In men, 0.6 mg
• In women, 1.3 mg