Study With Me : Introduction to Blood Transfusion 2

Question 10:

What are the specific blood cells that circulate in the bloodstream?

The answer: Red cells (erythrocytes), white cells (leucocytes), and platelets (thrombocytes).

Question 11:

Where do these formed elements of blood originate?

The answer: They originate from common ancestor stem cells in the bone marrow.

Question 12:

What are the precursor cells in blood cell formation called?

The answer: The precursor cells are known as blast cells.

Question 13:

Provide an example of a precursor lymphocyte.

The answer: A precursor lymphocyte is called a lymphoblast.

Question 14:

Do mature erythrocytes and platelets have nuclei?

The answer: No, mature erythrocytes and platelets are non-nucleated.

Question 15:

What does the term "erythropoiesis" describe?

The answer: Erythropoiesis describes the production of red blood cells.

Question 16:

What is the primary function of red blood cells?

The answer: Red blood cells transport oxygen in the bloodstream to all parts of the body.

Question 17:

Which type of hemoglobin is produced during fetal life?

The answer: Fetal hemoglobin F (HbF) is produced during fetal life.

Question 18:

When does adult hemoglobin A (HbA) predominantly appear?

The answer: Adult hemoglobin A (HbA) predominates after birth.

Question 19:

How is "anemia" broadly defined?

The answer: Anemia is broadly defined as a state of red cell deficiency, either in quantity or quality.