Hematopoiesis

Question 1

Lines the inner walls of the blood vessels.

Answer 1

Simple squamous epithelial cells

Question 2

What are the two theories of progenitor cells?

Answer 2

Monophyletic and polyphyletic

Question 3

The theory that proposes that all blood cells are derived from single progenitor cells.

Answer 3

Monophyletic

Question 4

The widely accepted theory.

Answer 4

Monophyletic

Question 5

The pluripotential hematopoietic stem cells.

Answer 5

Monophyletic

Question 6

Theory that suggests that all cell lineages have its own stem cell of where it came from.

Answer 6

Polyphyletic

Question 7

The hematopoietic stem cell in the bone marrow gives rise to the two common progenitor cells: ______ and _____.

Answer 7

Myeloid and Lymphoid progenitor cells

Question 8

Gives rise to the RBCs, platelets and WBCs (except lymphocytes) precursors.

Answer 8

Myeloid Progenitor

Question 9

Platelets are formed through cytoplasmic fragmentation of megakaryocytes during thrombopoiesis/platelet shedding.

Answer 9

CFU-MegE (platelet precursor)

Question 10

Platelets has no nucleus but has a part that secretes the 2 granules. What are those?

Answer 10

alpha and the dense granules

Question 11

Gives rise to T cell, NK cell and B cell precursor.

Answer 11

Lymphoid Progenitor