Blood (Circulatory System)

49 Questions | Total Attempts: 467

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Circulatory System Quizzes & Trivia

A questions to test yourself about circulatory system ( the blood).


Questions and Answers
  • 1. 
    How much of blood plasma is water (approximately)?
    • A. 

      95%

    • B. 

      91%

    • C. 

      88%

    • D. 

      80%

    • E. 

      50%

  • 2. 
    Which of the following plasma proteins plays a role in disease resistance?
    • A. 

      Myoglobin

    • B. 

      Hemoglobin

    • C. 

      Albumins

    • D. 

      Fibrinogens

    • E. 

      Globulins

  • 3. 
    Which of the following plasma proteins plays a role in blood clotting?
    • A. 

      Albumins

    • B. 

      Globulins

    • C. 

      Fibrinogens

    • D. 

      Prostaglandins

    • E. 

      None of the above

  • 4. 
    A hematocrit measures
    • A. 

      Percentage of total blood volume occupied by RBC

    • B. 

      Percentage of total blood volume occupied by WBC

    • C. 

      Percentage of total blood volume occupied by platelets

    • D. 

      Both A and B

    • E. 

      All of the above

  • 5. 
    The process by which formed elements of the blood develop is called:
    • A. 

      Hematocritation

    • B. 

      Hemopoiesis

    • C. 

      Albumin genesis

    • D. 

      Immunology

    • E. 

      None of the above

  • 6. 
    A megakaryoblast will develop into
    • A. 

      Red blood cell

    • B. 

      White blood cell

    • C. 

      Platelet

    • D. 

      Both b and c

    • E. 

      Any of the above

  • 7. 
    During hemopoiesis, some of the myeloid stem cells differentiate into
    • A. 

      Nitric oxide

    • B. 

      Progenitor cells

    • C. 

      Enzymes

    • D. 

      Plasma proteins

    • E. 

      Heme molecules

  • 8. 
    This hormone stimulates proliferation of red blood cells in red bone marrow
    • A. 

      TPO

    • B. 

      Follicle stimulating hormone

    • C. 

      EPO

    • D. 

      Human growth hormone

    • E. 

      Calcitonin

  • 9. 
    Ferritin is used to
    • A. 

      Transport iron

    • B. 

      Synthesize iron

    • C. 

      Digest iron

    • D. 

      Store iron

    • E. 

      Convert iron

  • 10. 
    A red blood cell's function is
    • A. 

      Gas transport

    • B. 

      Disease resistance

    • C. 

      Blood cell proliferation

    • D. 

      Cytokine stimulation

    • E. 

      Nutrient transport

  • 11. 
    An immature red blood cell that lacks a nucleus is called a
    • A. 

      Precursor cell

    • B. 

      Cytokine

    • C. 

      Interleukin

    • D. 

      Reticulocyte

    • E. 

      Proerythroblast

  • 12. 
    Which of the following is a phagocyte?
    • A. 

      Lymphocyte

    • B. 

      Basophil

    • C. 

      Mast cell

    • D. 

      Macrophage

    • E. 

      Platelet

  • 13. 
    Which of the following reduces blood loss?
    • A. 

      Platelets

    • B. 

      Lymphocyte

    • C. 

      Neutrophil

    • D. 

      Basophil

    • E. 

      Erythrocyte

  • 14. 
    Which of the following provides immune responses?
    • A. 

      Platelet

    • B. 

      Eosinophil

    • C. 

      Lymphocyte

    • D. 

      Basophil

    • E. 

      Macrophage

  • 15. 
    Which of the following is not an agranular leukocyte?
    • A. 

      Monocytes

    • B. 

      Macrophage

    • C. 

      Lymphocyte

    • D. 

      Basophil

    • E. 

      All of the above

  • 16. 
    The process of a white blood cell squeezing between endothelial cells to exit the blood vessel is called
    • A. 

      Hempoiesis

    • B. 

      Emigration

    • C. 

      Wandering

    • D. 

      Adhesion

    • E. 

      Phagocytosis

  • 17. 
    Which of the following do mast cells not release?
    • A. 

      Heparin

    • B. 

      Histamine

    • C. 

      Nitric oxide

    • D. 

      Protease

    • E. 

      All of the above

  • 18. 
    This hormone causes the development of megakaryoblasts.
    • A. 

      Erythropoietin

    • B. 

      Human growth hormone

    • C. 

      Nitric oxide

    • D. 

      Heparin

    • E. 

      Thrombopoietin

  • 19. 
    Once this is formed, the intrinsic and extrinsic pathways are identical.
    • A. 

      Thromboplastin

    • B. 

      Calcium

    • C. 

      Prothrombinase

    • D. 

      Fibrinogen

    • E. 

      Fibrin

  • 20. 
    Considering Rh blood types, which of the below situations would result in maternal antibodies attacking the fetus?
    • A. 

      Mom is Rh negative and fetus is Rh positive

    • B. 

      Mom is Rh negative and fetus is Rh negative

    • C. 

      Mom is Rh positive and fetus is Rh negative

    • D. 

      Mom is Rh positive and fetus is Rh positive.

  • 21. 
    Which of the following is an anticoagulant?
    • A. 

      Thromboxane A2

    • B. 

      Plasmin

    • C. 

      Heparin

    • D. 

      Fibrinogen

    • E. 

      Protease

  • 22. 
    What blood group antibodies does a person with type O blood have in their plasma?
    • A. 

      Anti-A

    • B. 

      Anti-B

    • C. 

      Anti-A and Anti-B

    • D. 

      No blood group specific antibodies

    • E. 

      Varies in different type O people

  • 23. 
    What antigens does a person have on their RBC if their plasma has antibody A?
    • A. 

      A

    • B. 

      B

    • C. 

      O

    • D. 

      A and B

    • E. 

      No antigens

  • 24. 
    Most of the plasma proteins are synthesized in the
    • A. 

      Liver

    • B. 

      White blood cells

    • C. 

      Bone marrow

    • D. 

      Kidneys

    • E. 

      Spleen

  • 25. 
    Inappropriate use of erythropoietin by athletes may cause cardiac and vascular abnormalities as a result of increased blood viscosity.
    • A. 

      True

    • B. 

      False

  • 26. 
    Which of the following molecules is correctly matched with its description?
    • A. 

      Transferrin: stores iron ions in the liver

    • B. 

      Ferritin: transports iron ions in the bloodstream

    • C. 

      Biliverdin: pigment derived from heme that is released by the liver into bile

    • D. 

      Urobilinogen: end product of bacterial conversion of bilirubin in the large intestine

    • E. 

      Stercobilin: yellow pigment excreted in the urine

  • 27. 
    Agranular leukocytes include
    • A. 

      Lymphocytes

    • B. 

      Monocytes

    • C. 

      Neutrophils

    • D. 

      A and B

    • E. 

      A,B, and C

  • 28. 
    Lysozyme, superoxide anion, hydrogen peroxide, and defensins are all part of the pathogen-destroying chemicals used by
    • A. 

      Neutrophils

    • B. 

      Eosinophil

    • C. 

      Basophil

    • D. 

      Lymphocytes

    • E. 

      Monocytes

  • 29. 
    Increased numbers of _________ may occur in allergic reactions, parasitic infections, and some autoimmune diseases.
    • A. 

      Basophils

    • B. 

      Monocytes

    • C. 

      Eosinophils

    • D. 

      Lymphocytes

    • E. 

      Neutropils

  • 30. 
    Which of the following does NOT contain a nucleus while in the peripheral blood?
    • A. 

      Erythrocytes

    • B. 

      Thrombocytes

    • C. 

      Megakaryocytes

    • D. 

      A and B are correct.

    • E. 

      A, B, and C are correct.

  • 31. 
    Stem cells obtained from cord blood may be preferred over those obtained from red bone marrow because
    • A. 

      Stem cells are found in greater numbers in cord blood.

    • B. 

      Fetal and neonatal lymphocytes found in cord blood are less likely to cause graft-versus-host disease.

    • C. 

      Infections occur less frequently with stem cells derived from cord blood.

    • D. 

      Stem cells from cord blood can be stored indefinitely.

    • E. 

      All of the above are correct.

  • 32. 
    During the platelet release reaction, serotonin and ADP from the platelets activate nearby platelets while thromboxane A2 acts as a vasoconstrictor.
    • A. 

      True

    • B. 

      False

  • 33. 
    Which of the following places events involved in blood clot formation following tissue trauma in the correct order?
    • A. 

      Activation of Factor X; formation of fibrin; formation of thrombin; formation of prothrombinase; clot retraction

    • B. 

      Activation of Factor X; formation of prothrombinase; formation of thrombin; formation of fibrin; clot retraction

    • C. 

      Activation of Factor X; formation of thrombin; formation of prothrombinase; formation of fibrin; clot retraction

    • D. 

      Formation of prothrombinase; activation of Factor X; formation of thrombin; formation of fibrin; clot retraction

    • E. 

      Formation of prothrombinase; formation of thrombin; formation of fibrin; activation of Factor X; clot retraction

  • 34. 
    The enlargement of clot to the point where it could block blood flow in undamaged blood vessels is controlled by all of the following EXCEPT:
    • A. 

      Positive feedback loop involving thrombin and factor V.

    • B. 

      Inhibition of platelet adhesion and release by prostacyclin.

    • C. 

      Availability of antithrombin and activated protein C.

    • D. 

      Absorption of thrombin by fibrin in the clot.

    • E. 

      Dispersal of clotting factors by blood flow.

  • 35. 
    After testing your blood in the lab, you found that your red cells agglutinated with both anti-A and anti-B antisera. This means that you
    • A. 

      Have A and B antigens on your RBC.

    • B. 

      Have anti-A and anti-B antibodies in your plasma.

    • C. 

      Are AB positive.

    • D. 

      Choices A and B are correct.

    • E. 

      Choices A, B, and C are correct.

  • 36. 
    An ABO mismatched blood transfusion can cause acute renal failure because the
    • A. 

      Antibodies in the transfusion damage the cells in the kidney.

    • B. 

      Antigens in the transfusion damage the cells in the kidney.

    • C. 

      Agglutinated red cells get stuck in the capillaries of the kidneys.

    • D. 

      Hemoglobin released from lysed RBC clogs the filtration membrane of the kidneys.

    • E. 

      None of the above are correct.

  • 37. 
    If your blood type is O negative, you will have in your plasma antibodies to A, B, and Rh antigens.
    • A. 

      True

    • B. 

      False

  • 38. 
    A woman who is Rh negative and a man who is Rh positive had a child who was Rh negative. This means that the next child born to this couple will be at a high risk of developing hemolytic disease of the newborn.
    • A. 

      True

    • B. 

      False

  • 39. 
    What is the volume of blood in an average adult male?
    • A. 

      5 to 6 gallons

    • B. 

      5 to 6 liters

    • C. 

      5 to 6 quarts

    • D. 

      A little less than 1 gallon

  • 40. 
    A hemopoietic growth factor:
    • A. 

      Are lymphoid cells used in the immune system's defense mode

    • B. 

      Are precursor cells

    • C. 

      Is a hormone that regulates bone growth

    • D. 

      Stimulates absorption of nutrients in the small intestine

    • E. 

      Is a hormone that aids in proliferation of progenitor cells

  • 41. 
    The substance that stimulates formation of platelets is:
    • A. 

      Antibodies

    • B. 

      Thrombopoietin

    • C. 

      Cytokines

    • D. 

      Immunoglobulins

    • E. 

      Erythropoietin

  • 42. 
    Which of the following statements is true?
    • A. 

      Hypoxia increases the secretion of erythropoietin by the kidneys

    • B. 

      Loss of the nucleus causes swelling of an erythrocyte

    • C. 

      Normally, erythropoiesis outpaces the production of red blood cell destruction

    • D. 

      A reticulocyte has a multilobed nucleus

    • E. 

      Erythropoiesis is the production of white blood cells

  • 43. 
    Which of the following is not a factor in destroying attacking pathogens?
    • A. 

      Emigration

    • B. 

      The release of lysozymes

    • C. 

      Erythropoiesis

    • D. 

      Phagocytosis

    • E. 

      Chemotaxis

  • 44. 
    An increase in white blood cell count above normal levels is called:
    • A. 

      Erythrocytosis

    • B. 

      Emigration

    • C. 

      Leukopenia

    • D. 

      Erythropoiesis

    • E. 

      Leukocytosis

  • 45. 
    The primary responsibility of this white blood cell is to destroy newly formed tumor cells.
    • A. 

      Natural killer cells

    • B. 

      Basophils

    • C. 

      B-cells

    • D. 

      Neutrophils

    • E. 

      T-cells

  • 46. 
    Which are the most numerous white blood cells?
    • A. 

      Basophils

    • B. 

      Lymphocytes

    • C. 

      Eosinophils

    • D. 

      Neutrophils

    • E. 

      Monocyte

  • 47. 
    Which of the following is not involved in platelet plug formation?
    • A. 

      Platelets sticking to the walls of an injured vessel

    • B. 

      Vasoconstriction due to serotonin release

    • C. 

      Release of platelet-derived-growth-factor (PDGF)

    • D. 

      The release of ADH to make the platelets bind to each other

    • E. 

      All the above occur in platelet plug formation

  • 48. 
    A thrombus is:
    • A. 

      A narrowing of the lumen of a vessel

    • B. 

      A medicine used to treat heart attacks

    • C. 

      An air bubble traveling in the blood stream

    • D. 

      A collection of platelets and other cells on the endothelial surface

    • E. 

      A substance that dissolves blood clots

  • 49. 
    Hemolytic disease of the newborn does not affect the first-born child because the Rh- mother has not had a chance to build up anti-Rh antibodies to the newborn's Rh+ blood.
    • A. 

      True

    • B. 

      False