BSC 2086 - blood Test Questions Answered Correctly Latest Update 2025-2026
By volume, blood is typically ______% plasma and ______% formed elements. - Answers 55; 45
The production of the formed elements of the blood is called - Answers hematopoiesis
What is plasma? - Answers The water, proteins, nutrients, wastes, hormones and gases in blood
Name all of the potential locations for hematopoiesis the embryo and fetus. Select all that apply.
- Answers -Yolk sac
-Red bone marrow
-Spleen
-Lymph nodes
Cells and cell fragments (platelets) found in the plasma are also called - Answers formed
elements
After birth, hematopoiesis occurs in - Answers red bone marrow
Which is not a formed element of blood? - Answers plasma
Describe how blood helps maintain homeostasis. Select all that apply. - Answers Limits spread
of pathogens
Stabilization of body fluids
Transport of carbon dioxide
Transport of nutrients
The process of blood cell production is called - Answers hematopoiesis
In the fetus, hematopoiesis occurs in the yolk sac, lymph nodes, red bone marrow,
___________________________, and thymus. - Answers liver, spleen
Identify the formed elements of the blood. Select all that apply. - Answers Erythrocytes
Platelets
Leukocytes
All formed elements of blood are derived from a stem cell called a(n) - Answers hemocytoblast
Regulation of pH and body temperature, transport and protection are all functions of the -
Answers circulatory system
, Males have______ red blood cells than women. - Answers more
In the embryo and fetus, hematopoiesis occurs in - Answers several different tissues
Describe how the unique structure of the erythrocyte plays an important role in its function. -
Answers -Shape and the anucleate structure give the cell more flexibility to pass easily through
small vessels.
-The biconcave shape has greater surface area to allow increased diffusion.
Name the stem cell for all formed elements. - Answers hemocytoblast
Red blood cells______ their nuclei during maturation. - Answers lose
Blood's homeostatic functions include - Answers -maintenance of body temperature
-protection against foreign substances
-clot formation
Which of the following would be an abnormal RBC count for a man? - Answers 4.1 million
RBCs/microliter
The major component (protein) of red blood cells is - Answers hemoglobin
How does the shape of the red blood cell influence the cell's function? - Answers The biconcave
shape increases the surface-area-to-volume ratio and facilitates gas exchange.
What is the main function of red blood cells? - Answers Transport both oxygen and carbon
dioxide
Mature red blood cells are unable to divide or undergo protein synthesis. What feature of the cell
accounts for this? - Answers lack a nucleus and other organelles
Hemoglobin is a protein that consists of______ subunits. - Answers 4
Iron is critical for the synthesis of ____________, the oxygen-carrying protein in red blood cells. -
Answers hemoglobin
The main component of the red blood cell is - Answers hemoglobin
Fetal, embryonic and ______________ hemoglobin are the three forms of hemoglobin produced by
the human body. - Answers adult
The primary function of red blood cells is to transport______ from the lungs to the various body
tissues. - Answers oxygen
Name the form of hemoglobin that has the highest affinity for oxygen. - Answers fetal
By volume, blood is typically ______% plasma and ______% formed elements. - Answers 55; 45
The production of the formed elements of the blood is called - Answers hematopoiesis
What is plasma? - Answers The water, proteins, nutrients, wastes, hormones and gases in blood
Name all of the potential locations for hematopoiesis the embryo and fetus. Select all that apply.
- Answers -Yolk sac
-Red bone marrow
-Spleen
-Lymph nodes
Cells and cell fragments (platelets) found in the plasma are also called - Answers formed
elements
After birth, hematopoiesis occurs in - Answers red bone marrow
Which is not a formed element of blood? - Answers plasma
Describe how blood helps maintain homeostasis. Select all that apply. - Answers Limits spread
of pathogens
Stabilization of body fluids
Transport of carbon dioxide
Transport of nutrients
The process of blood cell production is called - Answers hematopoiesis
In the fetus, hematopoiesis occurs in the yolk sac, lymph nodes, red bone marrow,
___________________________, and thymus. - Answers liver, spleen
Identify the formed elements of the blood. Select all that apply. - Answers Erythrocytes
Platelets
Leukocytes
All formed elements of blood are derived from a stem cell called a(n) - Answers hemocytoblast
Regulation of pH and body temperature, transport and protection are all functions of the -
Answers circulatory system
, Males have______ red blood cells than women. - Answers more
In the embryo and fetus, hematopoiesis occurs in - Answers several different tissues
Describe how the unique structure of the erythrocyte plays an important role in its function. -
Answers -Shape and the anucleate structure give the cell more flexibility to pass easily through
small vessels.
-The biconcave shape has greater surface area to allow increased diffusion.
Name the stem cell for all formed elements. - Answers hemocytoblast
Red blood cells______ their nuclei during maturation. - Answers lose
Blood's homeostatic functions include - Answers -maintenance of body temperature
-protection against foreign substances
-clot formation
Which of the following would be an abnormal RBC count for a man? - Answers 4.1 million
RBCs/microliter
The major component (protein) of red blood cells is - Answers hemoglobin
How does the shape of the red blood cell influence the cell's function? - Answers The biconcave
shape increases the surface-area-to-volume ratio and facilitates gas exchange.
What is the main function of red blood cells? - Answers Transport both oxygen and carbon
dioxide
Mature red blood cells are unable to divide or undergo protein synthesis. What feature of the cell
accounts for this? - Answers lack a nucleus and other organelles
Hemoglobin is a protein that consists of______ subunits. - Answers 4
Iron is critical for the synthesis of ____________, the oxygen-carrying protein in red blood cells. -
Answers hemoglobin
The main component of the red blood cell is - Answers hemoglobin
Fetal, embryonic and ______________ hemoglobin are the three forms of hemoglobin produced by
the human body. - Answers adult
The primary function of red blood cells is to transport______ from the lungs to the various body
tissues. - Answers oxygen
Name the form of hemoglobin that has the highest affinity for oxygen. - Answers fetal
