NURS 3345: Patho- Exam 1: Module 1-
Hemapoietic Questions And Answers 100%
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All blood cells start off as what? - Answer✔Hemocytoblast
From a hemocytoblast, blood cells are branched off into what 5 cells? -
Answer✔Proerythroblast, myeloblast, lymphoblast, Monoblast, and Megakaryoblast
Proerythroblast turn into what before becoming erythrocytes (RBCs) - Answer✔Polychromatic
Erythroblast
The myeloblast turns into what next which for which 3 granulocytes? - Answer✔The myeloblast
turns into the progranulocyte which then turns into Basophil, Eosinophil, and Neutrophil which
are all granulocytes.
The Lymphoblast turns into what? - Answer✔Turns into a lymphocyte which is a agranulocyte
which is a leukocyte.
The monoblast will turn into what? - Answer✔Monocyte, which turns into a agranulocyte which
is a type of leukocyte.
What are the 2 types of leukocytes? - Answer✔Granulocytes and Agranulocytes
What are the 3 types of granulocytes? - Answer✔Basophil, Eosinophil, or Neutrophil
What are the 2 types of agranulocytes? - Answer✔Lymphocyte and Monocyte
The megakaryoblast turns into what? - Answer✔a megakaryocyte which turns into
thrombocytes
The hemocytoblast is what type of cell? - Answer✔stim cell
The word blast means what - Answer✔Not a true mature cell
Stages of forming a RBC: - Answer✔Stem cell--committed cell (proerythroblast)--Phase 1:
Ribosome Synthesis(early erythroblast)----Phase 2: Hemoglobin Accumulation(late
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erythroblast)---Phase 3: Ejection of Nucleus(Normoblast)--- then Reticulocyte---then
Erythrocyte!
RBCs are carrying what to all of the tissues and providing oxygenation - Answer✔Hemoglobin
RBCs are very flexible and very what? - Answer✔thin
RBCs have a large surface area for the - Answer✔oxygen- which is bound to the hemoglobin
and is going to be readily diffused in the blood.
What percentage of oxygen is saturated and bound to the ion? - Answer✔95-98%
Normal RBC size - Answer✔7.5 micrometers width, 2.0 micrometers depth
What is normal O2 Saturation? - Answer✔95%
If blood is 90% saturated, it is what? - Answer✔It is dropping and has signs and symptoms of
low oxygen
How many hemoglobin molecules are there in the RBC? - Answer✔4
Each hemoglobin molecule should have what percentage of saturation? - Answer✔95%
Kidneys are producing which hormone for RBC production - Answer✔erythropoietin
Erythropoietin does what? - Answer✔Released by the kidney to stimulate bone marrow to
reelase more immature hemocytoblast which are going to mature to full RBC.
When does the kidney release erythropoietin? - Answer✔When there is reduced oxygen
Normal range for RBC count - Answer✔5-6 million
Normal range for WBCs - Answer✔5-10,000
Type of WBCs - Answer✔Basophil, Eosinophil, Lymphocyte, Monocyte, Neutrophil
Monocytes are what? - Answer✔Macrophage in the tissues
Normal range for Platelet count - Answer✔250,000-400,000
If you have too many neutrophils, it is almost certain that you have what going on? -
Answer✔Infection
If you have too many eisonphils it is almost certain that you have what going on? -
Answer✔Allergic response
If you have too many lymphocytes and monocytes, what could this indicate? -
Answer✔Immune system problem
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