BIOS 255 Exam 4 Questions and Answers | 2026
Update | 100% Correct.
A type of white blood cell that protects the body from parasites, allergens, foreign bacteria
and outside organisms
Eosinophils
Phagocytosis
White Blood Cells
An enzyme that converts fibrinogen to fibrin during blood clotting
Thrombin
Eosinophils, Basophils, Neutrophils
Granulocytes
The plasma protein primarily responsible for maintaining blood viscosity and osmolarity
Albumin
Albumin, Globulin, Fibrinogen
Plasma Proteins
What results from inadequate absorption of vitamin B12
as a result of reduced production of intrinsic factor by the stomach
Pernicious anemia
What's needed for the production of red blood cells?
, iron, vitamin b12, magnesium, vitamin c
when blood is centrifuged, what is the middle layer?
The Buffy coat
A measure of the percentage of whole blood occupied by red blood cells (Erythrocytes)
Hematocrit (HCT)
The process of producing red blood cells is stimulated by the secretion the hormone
erythropoietin
Produced by the kidneys
Erythropoietin is a hormone that stimulates the production of red blood cells (erythrocytes)
in the bone marrow
•
Erythropoietin
A type of white blood cell that play a vital role in the innate immune response
Capable of phagocytosis which is the process of engulfing and digesting cellular debris,
pathogens, and dead cells
Macrophages are derived from monocytes which are responsible for engulfing and
digesting pathogens, dead cells, and cellular debris
Macrophages
Update | 100% Correct.
A type of white blood cell that protects the body from parasites, allergens, foreign bacteria
and outside organisms
Eosinophils
Phagocytosis
White Blood Cells
An enzyme that converts fibrinogen to fibrin during blood clotting
Thrombin
Eosinophils, Basophils, Neutrophils
Granulocytes
The plasma protein primarily responsible for maintaining blood viscosity and osmolarity
Albumin
Albumin, Globulin, Fibrinogen
Plasma Proteins
What results from inadequate absorption of vitamin B12
as a result of reduced production of intrinsic factor by the stomach
Pernicious anemia
What's needed for the production of red blood cells?
, iron, vitamin b12, magnesium, vitamin c
when blood is centrifuged, what is the middle layer?
The Buffy coat
A measure of the percentage of whole blood occupied by red blood cells (Erythrocytes)
Hematocrit (HCT)
The process of producing red blood cells is stimulated by the secretion the hormone
erythropoietin
Produced by the kidneys
Erythropoietin is a hormone that stimulates the production of red blood cells (erythrocytes)
in the bone marrow
•
Erythropoietin
A type of white blood cell that play a vital role in the innate immune response
Capable of phagocytosis which is the process of engulfing and digesting cellular debris,
pathogens, and dead cells
Macrophages are derived from monocytes which are responsible for engulfing and
digesting pathogens, dead cells, and cellular debris
Macrophages
