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Anatomy And Physiology Questions - The Cardiovascular System: The Blood

45 Questions
Anatomy And Physiology Questions - The Cardiovascular System: The Blood

Questions about components of blood (RBCs, WBCs, platelets) and haemostasis. It covers aspects from the 'Fetal', 'Infancy', and 'Childhood' case units.

Questions and Answers
  • 1. 
    Which is NOT a major function of the blood?
    • A. 

      Transportation of nutrients

    • B. 

      Regulation of blood pH

    • C. 

      Protection against disease infection

    • D. 

      Transportation of heat

    • E. 

      Production of oxygen

  • 2. 
    The normal average temperature of blood is around
    • A. 

      98.6ºF (37ºC)

    • B. 

      100.4ºF (38ºC)

    • C. 

      90.8ºF (32.7ºC)

    • D. 

      89.6ºF (32ºC)

    • E. 

      101.6ºF (38.7ºC)

  • 3. 
    The normal pH range for blood is
    • A. 

      7.35 - 8.5

    • B. 

      7.35 - 9.45

    • C. 

      6.35 - 7.35

    • D. 

      6.35 - 9.35

    • E. 

      7.35 - 7.45

  • 4. 
    Which of the following is not a component of blood?
    • A. 

      Blood plasma

    • B. 

      Formed elements

    • C. 

      Carbon dioxide

    • D. 

      Platelets

    • E. 

      White blood cells

  • 5. 
    The haematocrit is composed of
    • A. 

      WBC

    • B. 

      Platelets

    • C. 

      RBC

    • D. 

      Plasma

    • E. 

      Proteins

  • 6. 
    How much of blood plasma is water (approximately)?
    • A. 

      95%

    • B. 

      91%

    • C. 

      88%

    • D. 

      80%

    • E. 

      50%

  • 7. 
    Which of the following plasma proteins plays a role in disease resistance?
    • A. 

      Albumins

    • B. 

      Globulins

    • C. 

      Fibrinogens

    • D. 

      Myoglobin

    • E. 

      Haemoglobin

  • 8. 
    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

  • 9. 
    A haemocrit measures
    • A. 

      Percentage of RBC in packed blood

    • B. 

      Percentage of WBC in packed blood

    • C. 

      Percentage of platelets in packed blood

    • D. 

      Percentage of RBC and WBC in packed blood

    • E. 

      None of the above

  • 10. 
    The process by which formed elements of the blood develop is called:
    • A. 

      Haematocritation

    • B. 

      Haemopoiesis

    • C. 

      Albumin genesis

    • D. 

      Immunology

    • E. 

      None of the above

  • 11. 
    A megakaryoblast will develop into
    • A. 

      RBC

    • B. 

      WBC

    • C. 

      Platelet

    • D. 

      WBC and platelet

    • E. 

      Any of the above

  • 12. 
    During haemopoiesis, some of the myeloid stem cells differentiate into
    • A. 

      Progenitor cells

    • B. 

      Enzymes

    • C. 

      Plasma proteins

    • D. 

      Haeme molecules

    • E. 

      Nitric oxide

  • 13. 
    This hormone stimulates proliferation of red blood cells in red bone marrow
    • A. 

      EPO

    • B. 

      TPO

    • C. 

      Human growth hormone

    • D. 

      Calcitonin

    • E. 

      Follicle stimulating hormone

  • 14. 
    How many haemoglobin moleculs are in each RBC?
    • A. 

      50 million

    • B. 

      100 million

    • C. 

      280 million

    • D. 

      320 million

    • E. 

      430 million

  • 15. 
    Ferritin is used to
    • A. 

      Transport iron

    • B. 

      Store iron

    • C. 

      Convert iron

    • D. 

      Synthesize iron

    • E. 

      Digest iron

  • 16. 
    A red blood cell's function is
    • A. 

      Nutrient transport

    • B. 

      Cytokine stimulation

    • C. 

      Blood cell proliferation

    • D. 

      Gas transport

    • E. 

      Disease resistance

  • 17. 
    A red blood cell without a nucleus, but with other cell organelles is called a
    • A. 

      Proerythroblast

    • B. 

      Cytokine

    • C. 

      Precursor cell

    • D. 

      Interleukin

    • E. 

      Reticulocyte

  • 18. 
    Which of the following is a phagocyte?
    • A. 

      Monocyte

    • B. 

      Lymphocyte

    • C. 

      Basophil

    • D. 

      Platelet

    • E. 

      Eosinophil

  • 19. 
    Which of the following reduces blood loss?
    • A. 

      Erythrocyte

    • B. 

      Platelet

    • C. 

      Lymphocyte

    • D. 

      Basophil

    • E. 

      Neutrophil

  • 20. 
    • A. 

      Eosinophil

    • B. 

      Monocyte

    • C. 

      Lymphocyte

    • D. 

      Basophil

    • E. 

      Neutrophil

  • 21. 
    Which of the following destroys antigen-antibody complexes?
    • A. 

      Eosinophil

    • B. 

      Monocyte

    • C. 

      Lymphocyte

    • D. 

      Basophil

    • E. 

      Neutrophil

  • 22. 
    Which of the following provides immune responses against parasites?
    • A. 

      Eosinophil

    • B. 

      Macrophage

    • C. 

      Lymphocyte

    • D. 

      Basophil

    • E. 

      Platelet

  • 23. 
    Which of the following is not an agranular leukocyte?
    • A. 

      Monocyte

    • B. 

      Macrophage

    • C. 

      Lymphocyte

    • D. 

      Basophil

    • E. 

      All of the above

  • 24. 
    The process of a white blood cell squeezing between cells to exit the blood vessel is called
    • A. 

      Emigration

    • B. 

      Wandering

    • C. 

      Adhesion

    • D. 

      Haemopoiesis

    • E. 

      Phagocytosis

  • 25. 
    Which of the following do mast cells not release?
    • A. 

      Heparin

    • B. 

      Histamine

    • C. 

      Nitric oxide

    • D. 

      Protease

    • E. 

      All of the above

  • 26. 
    This hormone causes the development of megakaryoblasts.
    • A. 

      Erythropoietin

    • B. 

      Thrombopoietin

    • C. 

      Nitric oxide

    • D. 

      Human growth hormone

    • E. 

      Heparin

  • 27. 
    Which methods provide haemostasis?
    • A. 

      Vascular spasm, clotting, polycythaemia

    • B. 

      Haemolysis, vascular spasm, platelet plug formation

    • C. 

      Emigration, clotting, haemolysis

    • D. 

      Platelet plug formation, vascular spasm, clotting

    • E. 

      Anaemia, haemogenesis, platelet plug formation

  • 28. 
    Once this is formed, the intrinsic and extrinsic pathways are identical.
    • A. 

      Thromboplastin

    • B. 

      Prothrombinase

    • C. 

      Fibrinogen

    • D. 

      Fibrin

    • E. 

      Calcium

  • 29. 
    Which of the following clotting factors has the most to do with strengthening and stabilizing a blood clot?
    • A. 

      Factor V

    • B. 

      Factor VII

    • C. 

      Factor XI

    • D. 

      Factor XIII

    • E. 

      Factor XIV

  • 30. 
    Considering RH blood types, which of the below situations would result in maternal antibodies attacking the fetus?
    • A. 

      Mum is Rh negative and fetus is Rh negative

    • B. 

      Mum is Rh negative and fetus is Rh positive

    • C. 

      Mum is Rh positive and fetus is Rh negative

    • D. 

      Mum is Rh positive and fetus is Rh positive

  • 31. 
    Which of the following opposes the action of thromboxane A2?
    • A. 

      Heparin

    • B. 

      Fibrinogen

    • C. 

      Plasmin

    • D. 

      Antithrombin

    • E. 

      Prostacyclin

  • 32. 
    Which of the following is an anticoagulant?
    • A. 

      Heparin

    • B. 

      Fibrinogen

    • C. 

      Protease

    • D. 

      Prostacyclin

    • E. 

      Plasmin

  • 33. 
    Which of the following cells will develop into macrophages?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

    • E. 

      E

  • 34. 
    Which of the following cells will increase the number of nuclear lobes as they age?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

    • E. 

      E

  • 35. 
    Which of the following cells is normally classified as small or large?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

    • E. 

      E

  • 36. 
    Which one is a WBC?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      B and C

    • E. 

      A, B and C

  • 37. 
    Which one is the pluripotent stem cell?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

    • E. 

      G

  • 38. 
    Which cell is the myeloid stem cell?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

    • E. 

      G

  • 39. 
    Which cell is the reticulocyte?
    • A. 

      D

    • B. 

      G

    • C. 

      E

    • D. 

      F

    • E. 

      H

  • 40. 
    • A. 

      C

    • B. 

      J

    • C. 

      K

    • D. 

      L

    • E. 

      A

  • 41. 
    Which cell is the natural killer cell?
    • A. 

      A

    • B. 

      C

    • C. 

      J

    • D. 

      K

    • E. 

      L

  • 42. 
    What is this figure demonstrating?
    • A. 

      Erythropoiesis

    • B. 

      RBC differentiation

    • C. 

      Emigration

    • D. 

      Clot formation

    • E. 

      Clot retraction

  • 43. 
    What does this figure represent?
    • A. 

      Erythropoiesis

    • B. 

      RBC differentiation

    • C. 

      Emigration

    • D. 

      Clot formation

    • E. 

      Clot retraction

  • 44. 
    What antibodies does a person with type O blood have in their plasma?
    • A. 

      A

    • B. 

      B

    • C. 

      A and B

    • D. 

      No antibodies

    • E. 

      Not enough information to answer

  • 45. 
    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