BSC 2086 - Test 1 Questions and Answers Fully Solved Latest Update 2025-2026
A healthy adult male has approximately __________ liters of blood. - Answers The average
volume of circulating blood is approximately 5-6 liters in males and approximately 4-5 liters in
females.
Answer: 5-6
A major plasma protein that maintains the blood osmotic pressure is __________. - Answers
Answer: albumin
Albumin constitutes 60% of plasma protein and primarily functions in maintaining water balance
between blood and body tissues.
Diapedesis refers to __________. - Answers Answer:the movement of leukocytes from blood
vessels into tissue spaces
Granulocytes do NOT include __________. - Answers Answer: Monocytes
Monocytes lack granules in their cytoplasm and are agranulocytes.
Mature red blood cells in the circulating blood are filled with __________. - Answers Answer:
hemoglobin molecules
Pernicious anemia may result from __________. - Answers the lack of vitamin B12 in the diet or a
deficiency of the intrinsic factor needed to absorb B12
The final step in clot formation is __________. - Answers fibrinogen → fibrin
The most numerous leukocyte is the __________. - Answers Neutrophils make up 50-70% of the
leukocyte population.
The terms biconcave and anucleated apply to __________. - Answers red blood cells
Which leukocyte contains histamine in its granules? - Answers basophils
Which of the following is a protective function of blood? - Answers preventing infection
Which of the following statements about platelets is INCORRECT? - Answers Answer:The life
span of platelets is between 30 to 60 days.
, Actually....The life span of platelets is between 5 and 10 days.
Which property do white blood cells have in common? - Answers WBCs are nucleated and have
a protective function.
Individuals with malaria have a better chance of surviving if they have which type of anemia? -
Answers Answer:sickle-cell anemia
RBCs infected with malaria stick to walls of blood vessels and lose potassium, causing the
parasite to die.
Which of the following types of white blood cells kills parasitic worms, destroys antibody
complexes, and inactivates some inflammatory chemicals of allergy? - Answers Eosinophils do
all of the described actions.
Which of the following is a function of neutrophils? - Answers Neutrophils phagocytize bacteria.
Which of the following is a function of erythrocytes? - Answers transport oxygen and carbon
dioxide
Which of the following is a function of basophils? - Answers release histamine during allergic
reaction
Which of the following is a function of lymphocytes? - Answers destruction of virus-containing
cells
The percentage of total volume used to determine the number of erythrocytes in a blood sample
is referred to as the __________. - Answers hematocrit
The buffy coat that appears after a sample of blood has been centrifuged contains __________. -
Answers WBCs
Which of the following factors has the greatest effect on making RBCs very efficient oxygen
transporters? - Answers They generate ATP by anaerobic mechanisms and do not consume any
of the oxygen they carry.
Another term for reduced hemoglobin is __________. - Answers deoxyhemoglobin
_________ is an abnormal hemoglobin found in - Answers Hemoglobin S
Which type of anemia results from the destruction or inhibition of the red marrow by drugs,
chemicals, ionizing radiation, or viruses? - Answers aplastic anemia
The process of actively metabolizing oxygen by neutrophils to produce bleach and hydrogen to
kill bacteria is known as __________. - Answers the respiratory burst
A healthy adult male has approximately __________ liters of blood. - Answers The average
volume of circulating blood is approximately 5-6 liters in males and approximately 4-5 liters in
females.
Answer: 5-6
A major plasma protein that maintains the blood osmotic pressure is __________. - Answers
Answer: albumin
Albumin constitutes 60% of plasma protein and primarily functions in maintaining water balance
between blood and body tissues.
Diapedesis refers to __________. - Answers Answer:the movement of leukocytes from blood
vessels into tissue spaces
Granulocytes do NOT include __________. - Answers Answer: Monocytes
Monocytes lack granules in their cytoplasm and are agranulocytes.
Mature red blood cells in the circulating blood are filled with __________. - Answers Answer:
hemoglobin molecules
Pernicious anemia may result from __________. - Answers the lack of vitamin B12 in the diet or a
deficiency of the intrinsic factor needed to absorb B12
The final step in clot formation is __________. - Answers fibrinogen → fibrin
The most numerous leukocyte is the __________. - Answers Neutrophils make up 50-70% of the
leukocyte population.
The terms biconcave and anucleated apply to __________. - Answers red blood cells
Which leukocyte contains histamine in its granules? - Answers basophils
Which of the following is a protective function of blood? - Answers preventing infection
Which of the following statements about platelets is INCORRECT? - Answers Answer:The life
span of platelets is between 30 to 60 days.
, Actually....The life span of platelets is between 5 and 10 days.
Which property do white blood cells have in common? - Answers WBCs are nucleated and have
a protective function.
Individuals with malaria have a better chance of surviving if they have which type of anemia? -
Answers Answer:sickle-cell anemia
RBCs infected with malaria stick to walls of blood vessels and lose potassium, causing the
parasite to die.
Which of the following types of white blood cells kills parasitic worms, destroys antibody
complexes, and inactivates some inflammatory chemicals of allergy? - Answers Eosinophils do
all of the described actions.
Which of the following is a function of neutrophils? - Answers Neutrophils phagocytize bacteria.
Which of the following is a function of erythrocytes? - Answers transport oxygen and carbon
dioxide
Which of the following is a function of basophils? - Answers release histamine during allergic
reaction
Which of the following is a function of lymphocytes? - Answers destruction of virus-containing
cells
The percentage of total volume used to determine the number of erythrocytes in a blood sample
is referred to as the __________. - Answers hematocrit
The buffy coat that appears after a sample of blood has been centrifuged contains __________. -
Answers WBCs
Which of the following factors has the greatest effect on making RBCs very efficient oxygen
transporters? - Answers They generate ATP by anaerobic mechanisms and do not consume any
of the oxygen they carry.
Another term for reduced hemoglobin is __________. - Answers deoxyhemoglobin
_________ is an abnormal hemoglobin found in - Answers Hemoglobin S
Which type of anemia results from the destruction or inhibition of the red marrow by drugs,
chemicals, ionizing radiation, or viruses? - Answers aplastic anemia
The process of actively metabolizing oxygen by neutrophils to produce bleach and hydrogen to
kill bacteria is known as __________. - Answers the respiratory burst
