Ohio School of Phlebotomy CH. 3 & 4 |COMPLETE QUESTIONS AND
ANSWERS | 2025 LATEST UPDATED | ALREADY GRADED A+
CBC - (answers)complete blood count
Why is order of draw important? - (answers)To prevent contaminating later tubes with the
additive from previous tubes.
Evacuated tubes - (answers)Tubes with air removed to produce a vacuum
Anticoagulant - (answers)prevents blood clotting
Fibrin - (answers)protein that forms the basis of a blood clot
PTT - (answers)partial thromboplastin time; patients ability to perform blood clots
PT/INR - (answers)prothrombin time test; diagnosing clotting diseases; monitors drug therapies
(Coumadin/Warfarin)
HbA1c - (answers)hemoglobin A1c; glycated hemoglobin; glycohemoglobin; average glucose
level within 120 days
Chem 7; Basic metabolic panel (BMP) - (answers)Check levels of 7 substances in the blood
BUN (blood urea nitrogen) - (answers)a measure of kidney function
Serum Potassium - (answers)K plays key role in cells and muscles, which is particularly relevant
to cardiac function
Erythrocytes - (answers)red blood cells
, Plasma - (answers)Water like portion of your blood that carries many vital components including
glucose, fats, metabolic waste, and antibodies; contains fibrin; light yellow fluid; 90% water,
10% solutes; STAT testing
serum - (answers)Plasma with the fibrin removed; 30 minute clot time; darker yellow in color
Hemopoiesis - (answers)producer of blood cells (marrow)
Leukocytes - (answers)white blood cells
Reticulocyte - (answers)immature erythrocyte
Neutrophils - (answers)Phagocyte; 1st responders to bacterial infections
Eosinophils - (answers)Attack parasites and certain infections
Basophils - (answers)Carry antihistamine ; least numerous
Monocytes - (answers)Largest of all WBCs; uses phagocytosis to attack and destroy foreign
cells; phagocyte
Phagocyte - (answers)Type of cell capable of engulfing and absorbing bacteria and other small
cells
Lymphocytes - (answers)T Cells- attack pathogen directly ; B Cells- release immunoglobulins
that produce antibodies
Hemostasis - (answers)Ability to clot and close an open wound
Vasoconstriction - (answers)the vessel that was damaged narrows in order to slow the blood flow
area
ANSWERS | 2025 LATEST UPDATED | ALREADY GRADED A+
CBC - (answers)complete blood count
Why is order of draw important? - (answers)To prevent contaminating later tubes with the
additive from previous tubes.
Evacuated tubes - (answers)Tubes with air removed to produce a vacuum
Anticoagulant - (answers)prevents blood clotting
Fibrin - (answers)protein that forms the basis of a blood clot
PTT - (answers)partial thromboplastin time; patients ability to perform blood clots
PT/INR - (answers)prothrombin time test; diagnosing clotting diseases; monitors drug therapies
(Coumadin/Warfarin)
HbA1c - (answers)hemoglobin A1c; glycated hemoglobin; glycohemoglobin; average glucose
level within 120 days
Chem 7; Basic metabolic panel (BMP) - (answers)Check levels of 7 substances in the blood
BUN (blood urea nitrogen) - (answers)a measure of kidney function
Serum Potassium - (answers)K plays key role in cells and muscles, which is particularly relevant
to cardiac function
Erythrocytes - (answers)red blood cells
, Plasma - (answers)Water like portion of your blood that carries many vital components including
glucose, fats, metabolic waste, and antibodies; contains fibrin; light yellow fluid; 90% water,
10% solutes; STAT testing
serum - (answers)Plasma with the fibrin removed; 30 minute clot time; darker yellow in color
Hemopoiesis - (answers)producer of blood cells (marrow)
Leukocytes - (answers)white blood cells
Reticulocyte - (answers)immature erythrocyte
Neutrophils - (answers)Phagocyte; 1st responders to bacterial infections
Eosinophils - (answers)Attack parasites and certain infections
Basophils - (answers)Carry antihistamine ; least numerous
Monocytes - (answers)Largest of all WBCs; uses phagocytosis to attack and destroy foreign
cells; phagocyte
Phagocyte - (answers)Type of cell capable of engulfing and absorbing bacteria and other small
cells
Lymphocytes - (answers)T Cells- attack pathogen directly ; B Cells- release immunoglobulins
that produce antibodies
Hemostasis - (answers)Ability to clot and close an open wound
Vasoconstriction - (answers)the vessel that was damaged narrows in order to slow the blood flow
area
