Blood Anatomy And Physiology Quiz Questions And Answers
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Ready to play our interesting blood quiz with anatomy and physiology trivia questions and answers? The human body is made up of two major liquids which are water and blood. Blood is made up of different components that are oxygen and nutrients from the food we consume. Blood is always in motion within the body and in this quiz, you will get a chance to test out how much you know about blood, its components, and some of the disorders affecting the blood. Give it a shot!
- 1.
This is a process that removes unneeded cloth when healing has occurred. Without this, blood vessels would gradually become completely blocked.
- A.
Hematopoiesis
- B.
Fibrinolysis
- C.
Leukopoiesis
- D.
Leukopenia
- E.
Thrombocytopenia
Correct Answer
B. FibrinolysisExplanation
Fibrinolysis is the process of breaking down fibrin, a protein involved in blood clot formation. When healing has occurred, excess fibrin needs to be removed to prevent the complete blockage of blood vessels. Fibrinolysis helps in dissolving these unnecessary blood clots and maintaining the proper flow of blood throughout the body.Rate this question:
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- 2.
This blood disease where hemoglobin becomes spiky and sharp due to a change in just one of the 287 amino acids in a beta chain of a globin molecule. These wrongly shaped blood cells tend to rupture easily and dam up blood vessels, preventing accurate oxygen flow to the body.
- A.
Infectious Mononucleosis
- B.
Leukemia
- C.
Thrombocytopenia
- D.
Sickle-Cell Anemia
- E.
Hemophilia
Correct Answer
D. Sickle-Cell AnemiaExplanation
Sickle-Cell Anemia is the correct answer because it is a blood disease where the hemoglobin becomes spiky and sharp due to a change in just one amino acid in the beta chain of a globin molecule. This causes the blood cells to become wrongly shaped, leading to easy rupture and blockage of blood vessels. This results in a lack of accurate oxygen flow to the body.Rate this question:
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- 3.
All of the following are types of anemia accept:
- A.
Hemorrhagic
- B.
Hemolytic
- C.
Aplastic
- D.
Reticulo
- E.
Iron-deficiency
Correct Answer
D. ReticuloExplanation
Reticulo is not a type of anemia. Hemorrhagic, hemolytic, aplastic, and iron-deficiency are all known types of anemia, but reticulo is not recognized as one.Rate this question:
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- 4.
This type of lymphocyte functions in the immune response by acting directly against virus-infected cells and tumor cells.
- A.
Neutrophils
- B.
T-cells
- C.
Monocytes
- D.
B-cells
- E.
Lymphoblasts
Correct Answer
B. T-cellsExplanation
T-cells are a type of lymphocyte that play a crucial role in the immune response. They are responsible for directly attacking and eliminating virus-infected cells and tumor cells. T-cells can recognize specific antigens on the surface of these abnormal cells and initiate an immune response to destroy them. This process is essential for the body's defense against infections and the development of cancer.Rate this question:
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- 5.
This type of lymphocyte gives rise to plasma cells, which produce antibodies that are released into the blood.
- A.
Neutrophills
- B.
B cells
- C.
Monocytes
- D.
T cell
- E.
Lymphoblasts
Correct Answer
B. B cellsExplanation
B cells are a type of lymphocyte that gives rise to plasma cells. Plasma cells are responsible for producing antibodies, which are released into the blood. This immune response is crucial for fighting off infections and providing long-lasting immunity. B cells play a vital role in the adaptive immune system by recognizing foreign antigens and producing specific antibodies to target and neutralize them. Therefore, B cells are the correct answer in this context.Rate this question:
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- 6.
Macrophages are all of the following except:
- A.
Actively photogenic.
- B.
Crucial in the body's defense against viruses, certain intracellular bacterial parasites, and chronic infections.
- C.
Provide a rough index of the rate at which RBCs are produced.
- D.
Activate lymphocytes to mount the immune response.
- E.
Monocytes differentiate into these.
Correct Answer
C. Provide a rough index of the rate at which RBCs are produced.Explanation
Macrophages are immune cells that play a crucial role in the body's defense against viruses, certain intracellular bacterial parasites, and chronic infections. They activate lymphocytes to mount the immune response and are derived from monocytes. However, macrophages do not provide a rough index of the rate at which red blood cells (RBCs) are produced. This function is primarily carried out by other cells, such as erythropoietin-producing cells in the kidneys.Rate this question:
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- 7.
Leukopoeisis is which of the following?
- A.
The production of WBCs stimulated by chemical messengers.
- B.
An abnormally low WBC count, commonly induced by drugs.
- C.
A group of cancerous conditions involving WBCs.
- D.
A type of leukemia involving abnormal myeloblasts.
- E.
The ability of a WBC to slip out of capillary blood vessels.
Correct Answer
A. The production of WBCs stimulated by chemical messengers.Explanation
Leukopoiesis refers to the process of producing white blood cells (WBCs) in the body. This production is stimulated by chemical messengers, such as cytokines and growth factors, which regulate the differentiation and proliferation of WBC precursors in the bone marrow. Therefore, the correct answer is "The production of WBCs stimulated by chemical messengers."Rate this question:
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- 8.
Leukopenia is what?
- A.
The production of WBCs stimulated by chemical messengers.
- B.
An abnormally low WBC count commonly induced by drugs.
- C.
A group of cancerous conditions involving WBCs.
- D.
A type of leukemia involving abnormal myeloblasts.
- E.
The ability of a WBC to slip out of capillary blood vessels.
Correct Answer
B. An abnormally low WBC count commonly induced by drugs.Explanation
Leukopenia refers to an abnormally low white blood cell (WBC) count, which is commonly induced by drugs. This condition can occur as a side effect of certain medications, such as chemotherapy drugs or immunosuppressants. Leukopenia can weaken the immune system and make individuals more susceptible to infections. It is important to monitor WBC counts and adjust medication dosages accordingly to prevent complications associated with leukopenia.Rate this question:
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- 9.
Leukemias are:
- A.
The production of WBCs stimulated by chemical messengers.
- B.
An abnormally low WBC count commonly induced by drugs.
- C.
A group of cancerous conditions involving WBCs.
- D.
WBCs that protect the body from damage by bacteria, viruses, parasites, toxins and tumor cells.
- E.
The ability of a WBC to slip out of capillary blood vessels.
Correct Answer
C. A group of cancerous conditions involving WBCs.Explanation
Leukemias are a group of cancerous conditions involving WBCs. Leukemia is a type of cancer that affects the bone marrow and results in the overproduction of abnormal white blood cells. These cancerous WBCs then crowd out healthy cells, leading to a decrease in the production of normal blood cells. Leukemias can be acute or chronic and are classified based on the type of WBC involved. Treatment for leukemia may include chemotherapy, radiation therapy, and stem cell transplantation.Rate this question:
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- 10.
A leukocyte is:
- A.
The production of WBCs stimulated by chemical messengers.
- B.
An abnormally low WBC count commonly induced by drugs.
- C.
A group of cancerous conditions involving WBCs.
- D.
WBCs that protect the body from damage by bacteria, viruses, parasites, toxins and tumor cells.
- E.
The ability of a WBC to slip out of capillary blood vessels.
Correct Answer
D. WBCs that protect the body from damage by bacteria, viruses, parasites, toxins and tumor cells.Explanation
The correct answer is WBCs that protect the body from damage by bacteria, viruses, parasites, toxins, and tumor cells. Leukocytes, also known as white blood cells (WBCs), are a part of the immune system and play a crucial role in defending the body against pathogens and foreign substances. They are responsible for identifying and destroying harmful bacteria, viruses, parasites, toxins, and even tumor cells to maintain the overall health and well-being of the body.Rate this question:
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- 11.
This type of Leukemia is chronic and slow-moving because it involves the proliferation of later cell stages.
- A.
Chronic Leukemia.
- B.
Lymphocytic Leukemia.
- C.
Myelocytic Leukemia.
- D.
Slow Moving Leukemia.
- E.
Acute leukemia.
Correct Answer
C. Myelocytic Leukemia.Explanation
Myelocytic Leukemia is the correct answer because it involves the proliferation of later cell stages. In this type of leukemia, there is an abnormal growth of myeloid cells, which are later cell stages in the development of white blood cells. This type of leukemia progresses slowly and is considered chronic. Lymphocytic Leukemia, on the other hand, involves the abnormal growth of lymphoid cells, and Acute Leukemia refers to a rapidly progressing form of the disease. Slow Moving Leukemia is not a recognized medical term.Rate this question:
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- 12.
Meaning "leaping across," this term refers to the ability of WBCs to slip out of capillary blood vessels.
- A.
Thrombocytopenia
- B.
Leukopenia
- C.
Leukopoiesis
- D.
Fibrinolysis
- E.
Diapedesis
Correct Answer
E. DiapedesisExplanation
Diapedesis refers to the ability of white blood cells (WBCs) to slip out of capillary blood vessels. This process allows the WBCs to migrate from the bloodstream to the surrounding tissues, where they can perform their immune functions.Rate this question:
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- 13.
This is a bleeding disorder where the number of circulating platelets is deficient, causing spontaneous blooding from small blood vessels all over the body.
- A.
Erythropenia
- B.
Leukopenia
- C.
Leukemia
- D.
Thrombocytopenia
- E.
Diapedesis
Correct Answer
D. ThrombocytopeniaExplanation
Thrombocytopenia is a condition characterized by a low number of platelets in the blood. Platelets play a crucial role in blood clotting, and when their numbers are deficient, it can lead to spontaneous bleeding from small blood vessels throughout the body. Erythropenia refers to a low number of red blood cells, leukopenia refers to a low number of white blood cells, leukemia is a type of cancer affecting the blood and bone marrow, and diapedesis is the process by which white blood cells leave the bloodstream and enter tissues.Rate this question:
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- 14.
A universal donor is a person who theoretically:
- A.
Has type A blood.
- B.
Has type B blood.
- C.
Has type AB blood.
- D.
Has type O blood.
- E.
Has a negative blood type.
Correct Answer
D. Has type O blood.Explanation
A universal donor is a person who can donate blood to any blood type recipient. Type O blood is considered the universal donor because it lacks both A and B antigens on the red blood cells, making it compatible with all blood types. People with type O blood do not have any antibodies against A or B antigens, so their blood can be safely transfused to individuals with any blood type.Rate this question:
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- 15.
This term refers to several different hereditary bleeding disorders that involve prolonged bleeding into tissues from even minor tissue trauma, which can be life-threatening.
- A.
Anemia
- B.
Leukemia
- C.
Hemophilia
- D.
Thrombocytopenia
- E.
Diapedesis
Correct Answer
C. HemophiliaExplanation
Hemophilia is the correct answer because it is a hereditary bleeding disorder that causes prolonged bleeding into tissues even from minor injuries. This condition can be life-threatening as it affects the body's ability to form blood clots and stop bleeding. Anemia refers to a deficiency of red blood cells, leukemia is a cancer of the blood and bone marrow, thrombocytopenia is a low platelet count, and diapedesis is the process by which white blood cells move out of blood vessels into tissues. None of these conditions specifically involve prolonged bleeding from minor trauma like hemophilia does.Rate this question:
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- 16.
The percentage of a blood's individual formed elements in comparison to the blood as a whole is known as:
- A.
An embolism.
- B.
The hematocrit.
- C.
An embolus.
- D.
The heparin.
- E.
A thrombus.
Correct Answer
B. The hematocrit.Explanation
The percentage of a blood's individual formed elements in comparison to the blood as a whole is known as the hematocrit. The hematocrit measures the volume of red blood cells in relation to the total blood volume and is commonly used to diagnose and monitor conditions such as anemia and polycythemia. It is an important indicator of the overall health and composition of the blood.Rate this question:
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- 17.
An embolism is which of the following:
- A.
The percentage of a blood's individual formed elements in comparison to the blood as a whole.
- B.
An embolus that is trapped in a narrow blood vessel.
- C.
A thromboembolic condition.
- D.
A side effect of aspirin.
- E.
A type of laceration.
Correct Answer
B. An embolus that is trapped in a narrow blood vessel.Explanation
An embolism refers to an embolus that becomes lodged in a narrow blood vessel. An embolus is a blood clot, air bubble, or other foreign material that travels through the bloodstream and gets stuck in a blood vessel, obstructing the flow of blood. This can lead to various health issues depending on the location and size of the embolus.Rate this question:
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- 18.
A CBC, or complete blood count is:
- A.
Routinely ordered during physical examinations and before hospital admissions.
- B.
Includes counts of different types of formed elements, a hematocrit, measurements of hemoglobin content and size of RBCs.
- C.
Provide a comprehensive picture of general health in relation to normal blood values.
- D.
A and C only.
- E.
All of the above.
Correct Answer
E. All of the above.Explanation
A CBC, or complete blood count, is a blood test that is routinely ordered during physical examinations and before hospital admissions. It includes counts of different types of formed elements, such as red blood cells, white blood cells, and platelets. Additionally, it provides measurements of hemoglobin content and size of red blood cells. By evaluating these different components, a CBC can provide a comprehensive picture of general health in relation to normal blood values. Therefore, the correct answer is "All of the above."Rate this question:
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- 19.
This is mainly composed of a soft network of reticular connective tissue bordering on extensive blood capillaries. It produces different numbers of each blood type as needed in response to body needs and regulatory factors.
- A.
Kidneys
- B.
White bone Marrow
- C.
Liver
- D.
Red Bone marrow
- E.
Leukocyte
Correct Answer
D. Red Bone marrowExplanation
Red bone marrow is the correct answer because it is mainly composed of a soft network of reticular connective tissue bordering on extensive blood capillaries. It is responsible for producing different numbers of each blood type as needed in response to body needs and regulatory factors.Rate this question:
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- 20.
This is a drug that inhibits thromboxane A2 formation. Studies show that, over several years, men taking low doses of this showed a 50% reduction in incidences of a heart attack.
- A.
Embolus
- B.
Thromboxan
- C.
Protein C
- D.
Aspirin
- E.
Vitamin C
Correct Answer
D. AspirinExplanation
Aspirin is the correct answer because it inhibits thromboxane A2 formation, which is a substance that promotes blood clotting. By inhibiting this substance, aspirin reduces the risk of blood clots forming and therefore reduces the risk of heart attacks. Studies have shown that men who take low doses of aspirin over several years have a 50% reduction in the incidence of heart attacks.Rate this question:
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- 21.
This is a straw-colored, sticky fluid 90% composed of water, found in the blood.
- A.
RBCs
- B.
Plasma
- C.
WBCs
- D.
Platelets
- E.
Antibodies
Correct Answer
B. PlasmaExplanation
Plasma is a straw-colored, sticky fluid that makes up about 90% of the blood. It is composed mostly of water and contains various proteins, electrolytes, hormones, and waste products. Plasma serves as a medium for transporting nutrients, hormones, and waste products throughout the body. It also plays a crucial role in maintaining blood pressure and regulating body temperature.Rate this question:
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- 22.
This is the protein that makes RBCs red. It binds easily with oxygen molecules and most oxygen being transported in the blood is bound to this.
- A.
Hemoglobin
- B.
Globulin
- C.
Platelets
- D.
T cells
- E.
Plasma
Correct Answer
A. HemoglobinExplanation
Hemoglobin is the correct answer because it is the protein responsible for giving red blood cells their color. It has a high affinity for oxygen molecules, allowing it to easily bind with them. As a result, most of the oxygen being transported in the blood is bound to hemoglobin.Rate this question:
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- 23.
The process of RBC production is called:
- A.
Hemopoeisis
- B.
Leukopoiesis
- C.
Erythropoiesis
- D.
Hematopoiesis
- E.
Monoparesis
Correct Answer
C. ErythropoiesisExplanation
Erythropoiesis is the correct answer because it refers to the process of red blood cell (RBC) production. During erythropoiesis, stem cells in the bone marrow differentiate and mature into RBCs. This process involves the synthesis of hemoglobin and the removal of the nucleus from the developing RBCs. Erythropoiesis is regulated by the hormone erythropoietin, which is produced by the kidneys in response to low oxygen levels in the body.Rate this question:
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- 24.
This type of agranulocyte contains a "U" shaped nucleus. They differentiate into macrophages that protect against viruses, certain intracellular bacterial parasites, and chronic infections.
- A.
Lymphocyte
- B.
Monocyte
- C.
Neutrophil
- D.
Basophil
- E.
Eosinophil
Correct Answer
B. MonocyteExplanation
Monocytes are a type of agranulocyte that have a "U" shaped nucleus. They are responsible for differentiating into macrophages, which play a crucial role in protecting against viruses, certain intracellular bacterial parasites, and chronic infections. Monocytes are part of the immune system and are involved in the process of phagocytosis, where they engulf and destroy pathogens.Rate this question:
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- 25.
Which of the following is/are NOT a type(s) of granulocyte?
- A.
Eosinophil
- B.
Neutrophil
- C.
Monocyte
- D.
Basophil
- E.
Lymphocyte
Correct Answer(s)
C. Monocyte
E. LymphocyteExplanation
Monocyte and lymphocyte are not types of granulocytes. Granulocytes are a type of white blood cell that contain granules in their cytoplasm. Eosinophil, neutrophil, and basophil are all examples of granulocytes. Monocytes and lymphocytes, on the other hand, are agranulocytes, which means they do not have these granules. Monocytes are responsible for phagocytosis and play a role in the immune response, while lymphocytes are involved in specific immune responses and produce antibodies.Rate this question:
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