BIOL 252 Exam 3 2026 – 169 Most Tested Questions |
Latest Update 2026 | 100% Verified Answers | Real Exam
Prep
1. If a patient has a condition that impairs depolarization, what effect would this
likely have on heart function?
It would likely lead to ineffective pumping of blood.
It would cause the heart to beat faster.
It would have no effect on heart function.
It would enhance the heart's ability to pump blood.
2. In a patient experiencing an allergic reaction, which type of white blood cell
would you expect to be elevated, and what is its primary function?
Lymphocytes; they produce antibodies.
Neutrophils; they engulf bacteria and fungi.
Eosinophils; they secrete chemicals that harm parasites and mediate
allergic responses.
Monocytes; they differentiate into macrophages.
3. If a patient has a clotting disorder that impairs clot retraction, what might be a
potential consequence for wound healing?
Delayed healing due to insufficient stabilization of the clot.
Rapid healing due to excessive clot formation.
Enhanced blood flow to the wound area.
Increased risk of infection at the wound site.
4. Which types of white blood cells are classified as agranulocytes?
, Basophils and platelets
Neutrophils and eosinophils
Lymphocytes and monocytes
Erythrocytes and leukocytes
5. Describe the role of clotting factors in the intrinsic pathway of coagulation.
Clotting factors are not involved in the intrinsic pathway.
Clotting factors are only activated by external injuries.
Clotting factors in the blood become activated, leading to a
cascade that results in clot formation.
Clotting factors only function in the extrinsic pathway.
6. The intrinsic clotting pathway is triggered by the presence of collagen
activating factor:
XII
IX.
VIll.
V.
7. Describe how clot retraction contributes to the overall healing process of a
wound.
Clot retraction increases the number of platelets in the blood.
Clot retraction helps to stabilize the clot and reduces the distance
between the wound edges, which is essential for tissue repair.
Clot retraction allows for the exchange of nutrients in the wound area.
Clot retraction prevents blood from leaking out of the wound.
,8. Which one of the following is the most common blood disorder that may
result from a variety of causes?
Polycythemia
Leukemia
Thrombocytopenia
Anemia
9. Describe how inadequate erythropoiesis contributes to the development of
anemia.
Inadequate erythropoiesis leads to insufficient production of red
blood cells, resulting in decreased oxygen transport in the body.
Inadequate erythropoiesis causes an increase in white blood cells,
leading to infection.
Inadequate erythropoiesis results in excessive platelet production,
causing clotting issues.
Inadequate erythropoiesis has no effect on blood oxygen levels.
10. In the context of blood transfusions, why is ABO compatibility important?
O is a strong antigen
The A and B antigens are present in all cells
There are 3 antigens in this system
When an individual's RBC lacks the A or B antigen, the
corresponding antibody is invariably present in serum.
11. If a patient has a deficiency in fibrinogen, what effect would this have on the
blood clotting process?
, Impaired blood clot formation
Increased blood viscosity
Enhanced immune response
Accelerated erythropoiesis
12. Describe the role of tissue damage in the initiation of the extrinsic pathway
of coagulation.
Tissue damage increases the production of red blood cells.
Tissue damage has no effect on the coagulation process.
Tissue damage causes blood vessels to dilate, preventing clot
formation.
Tissue damage releases chemicals that activate the extrinsic
pathway, leading to clot formation.
13. If a patient presents with a low hematocrit level, what condition might this
indicate, and what further tests could be recommended?
Leukemia; further tests could include a bone marrow biopsy.
Anemia; further tests could include a complete blood count and
reticulocyte count.
Dehydration; further tests could include a blood glucose test.
Polycythemia; further tests could include a liver function test.
14. What is anemia?
It is when the amount of iron in the blood is elevated.
The oxygen supply in the blood is limited by reduced hemoglobin,
iron, or some other factor.
Latest Update 2026 | 100% Verified Answers | Real Exam
Prep
1. If a patient has a condition that impairs depolarization, what effect would this
likely have on heart function?
It would likely lead to ineffective pumping of blood.
It would cause the heart to beat faster.
It would have no effect on heart function.
It would enhance the heart's ability to pump blood.
2. In a patient experiencing an allergic reaction, which type of white blood cell
would you expect to be elevated, and what is its primary function?
Lymphocytes; they produce antibodies.
Neutrophils; they engulf bacteria and fungi.
Eosinophils; they secrete chemicals that harm parasites and mediate
allergic responses.
Monocytes; they differentiate into macrophages.
3. If a patient has a clotting disorder that impairs clot retraction, what might be a
potential consequence for wound healing?
Delayed healing due to insufficient stabilization of the clot.
Rapid healing due to excessive clot formation.
Enhanced blood flow to the wound area.
Increased risk of infection at the wound site.
4. Which types of white blood cells are classified as agranulocytes?
, Basophils and platelets
Neutrophils and eosinophils
Lymphocytes and monocytes
Erythrocytes and leukocytes
5. Describe the role of clotting factors in the intrinsic pathway of coagulation.
Clotting factors are not involved in the intrinsic pathway.
Clotting factors are only activated by external injuries.
Clotting factors in the blood become activated, leading to a
cascade that results in clot formation.
Clotting factors only function in the extrinsic pathway.
6. The intrinsic clotting pathway is triggered by the presence of collagen
activating factor:
XII
IX.
VIll.
V.
7. Describe how clot retraction contributes to the overall healing process of a
wound.
Clot retraction increases the number of platelets in the blood.
Clot retraction helps to stabilize the clot and reduces the distance
between the wound edges, which is essential for tissue repair.
Clot retraction allows for the exchange of nutrients in the wound area.
Clot retraction prevents blood from leaking out of the wound.
,8. Which one of the following is the most common blood disorder that may
result from a variety of causes?
Polycythemia
Leukemia
Thrombocytopenia
Anemia
9. Describe how inadequate erythropoiesis contributes to the development of
anemia.
Inadequate erythropoiesis leads to insufficient production of red
blood cells, resulting in decreased oxygen transport in the body.
Inadequate erythropoiesis causes an increase in white blood cells,
leading to infection.
Inadequate erythropoiesis results in excessive platelet production,
causing clotting issues.
Inadequate erythropoiesis has no effect on blood oxygen levels.
10. In the context of blood transfusions, why is ABO compatibility important?
O is a strong antigen
The A and B antigens are present in all cells
There are 3 antigens in this system
When an individual's RBC lacks the A or B antigen, the
corresponding antibody is invariably present in serum.
11. If a patient has a deficiency in fibrinogen, what effect would this have on the
blood clotting process?
, Impaired blood clot formation
Increased blood viscosity
Enhanced immune response
Accelerated erythropoiesis
12. Describe the role of tissue damage in the initiation of the extrinsic pathway
of coagulation.
Tissue damage increases the production of red blood cells.
Tissue damage has no effect on the coagulation process.
Tissue damage causes blood vessels to dilate, preventing clot
formation.
Tissue damage releases chemicals that activate the extrinsic
pathway, leading to clot formation.
13. If a patient presents with a low hematocrit level, what condition might this
indicate, and what further tests could be recommended?
Leukemia; further tests could include a bone marrow biopsy.
Anemia; further tests could include a complete blood count and
reticulocyte count.
Dehydration; further tests could include a blood glucose test.
Polycythemia; further tests could include a liver function test.
14. What is anemia?
It is when the amount of iron in the blood is elevated.
The oxygen supply in the blood is limited by reduced hemoglobin,
iron, or some other factor.
