All In One Biology Quiz To Teach You Everything About Our Body

23 Questions

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All In One Biology Quiz To Teach You Everything About Our Body

Biology is the study of life. The word "biology" is derived from the Greek words "bios" (meaning life) and "logos" (meaning "study"). In general, biologists study the structure, function, growth, origin, evolution and distribution of living organisms. This is an "All in One Biology Quiz to Teach you Everything About Our Body"


Questions and Answers
  • 1. 
    Platelets
    • A. 

      Are involved in all stages of hemostasis

    • B. 

      Produced by the lliver

    • C. 

      Plug formation is first stage of hemostasis

    • D. 

      Life span is longer than RBC life span

  • 2. 
    The buffy coat between plasma and RBC in centrifuged non-clotted blood contains 
    • A. 

      Serum and plasma protiens

    • B. 

      Leukocytes and platelets

    • C. 

      Leuckocytes and clotting factors 

    • D. 

      Platelets and clotting factors

    • E. 

      Plasma protiens 

  • 3. 
    Which leukocyte contains histamine ?
    • A. 

      Lymphocyte

    • B. 

      Basophils

    • C. 

      Monocytes

    • D. 

      Neutrophils

    • E. 

      Eosinophil

  • 4. 
    White blood cells 
    • A. 

      Can convert plasminogen into plasmin

    • B. 

      Can remove the cellular debris 

    • C. 

      Are the most abundant type of blood cell

    • D. 

      Activate clotting factor X||

    • E. 

      Are found only in the blood 

  • 5. 
    What chemical signal released by healthy endotheliial tissue prevent over growth of platelet plugs?
    • A. 

      Prostacyclin

    • B. 

      ADP

    • C. 

      ATP

    • D. 

      Thrombopoietin

  • 6. 
    Venticular filling 
    • A. 

      Depends mainly on artrial contraction

    • B. 

      70% is passive filling

    • C. 

      Begins during isometric venticular relaxation

    • D. 

      Can occur whe arterial pressure is greater that atmospheric pressure 

    • E. 

      Gives rise to the first heart sound 

  • 7. 
    If red blood cells are put in hypertonic solution
    • A. 

      They will be swollen

    • B. 

      Their size will be decreased

    • C. 

      Their size will be increased 

    • D. 

      They will be burst (broken)

    • E. 

      There will be no change in their size 

  • 8. 
    Which of the followiing vessels has the largest resistance to blood flow?
    • A. 

      Aorta

    • B. 

      Veins

    • C. 

      Arterioles

    • D. 

      Small arteries

    • E. 

      Large arteries 

  • 9. 
    Which of the following statements about the blood group is CORRECT 
    • A. 

      Erythroblastosis fetalis occurs with Rh positive mother and Rh negative fetus 

    • B. 

      The antigens Rh blood group are present in plasma

    • C. 

      No agglutination of RBCs will occur ,If a person with type B blood receives a transfusion of type O blood

    • D. 

      Antibodies against the Rh antigen develop when an Rh positive person is given Rh negative blood 

    • E. 

      A person with type O blood has booth the A and B antigens 

  • 10. 
    The Na+/K+ pump 
    • A. 

      Moves equal amounts of sodium ions out of the cell and potassium ions into the cell 

    • B. 

      Maintains a low intracellular concentration of sodium ions inside the cell 

    • C. 

      Is an example of a facilitated transportation 

    • D. 

      Is an example of co- transportation 

  • 11. 
    The biconcave shape of the erythrocyte 
    • A. 

      Prevents agglutination of the RBCs 

    • B. 

      Decreases the overall surface area 

    • C. 

      Increase the formation of more ATP molecules 

    • D. 

      Increase the diffusion of gases through RBC membrane 

    • E. 

      Prevents toxins from entering the cell 

  • 12. 
    Which of the following statements is WRONG about veins 
    • A. 

      They vasoconstrict on sudden standing up 

    • B. 

      Have a sympathetic vasoconstrictor innervations

    • C. 

      Have leess strechability than arteries 

    • D. 

      Their pressure gradually decrease to almost zero in vena cave 

  • 13. 
    Fibinogen 
    • A. 

      Causes clot retraction 

    • B. 

      Is produced by B lymphocytes 

    • C. 

      Is activated by thrombin 

    • D. 

      Is removed from the blood by tissue thromboplastin

    • E. 

      Production needs vitamin K

  • 14. 
    Which of the following statements is WRONG about arterioles
    • A. 

      Their pressure gradually decrease to almost zero

    • B. 

      Their walls have smooth muscle rich in sympathetic innervations 

    • C. 

      Contain most of the blood volume 

    • D. 

      They vasoconstrict on sudden standing up

    • E. 

      Have lower blood velocity than aorta 

  • 15. 
    The process by which the glucose molecules are moved into cells against their concentration gradient with the help of concentration gradient of sodium ions is called 
    • A. 

      Negative feedback mechanisim 

    • B. 

      Primary active transport 

    • C. 

      Secondary active transport 

    • D. 

      Facilitated diffusion 

  • 16. 
    Which organ removes most of the old red blood cells from the circulation 
    • A. 

      Spleen

    • B. 

      Bone marrow

    • C. 

      Lungs

    • D. 

      Liver 

    • E. 

      Kidneys

  • 17. 
    Which of the following does NOT affect cardiac output 
    • A. 

      The blood volume

    • B. 

      Standing up from sleeping position 

    • C. 

      The sympathetic activity 

    • D. 

      The venous return 

    • E. 

      The amount of oxygen in blood

  • 18. 
    Local metabolic activity is the chief factor determining blood flow to the:
    • A. 

      Liver 

    • B. 

      Skeletal muscle 

    • C. 

      Lung

    • D. 

      Kidney 

    • E. 

      Stomach 

  • 19. 
    The two systems concerned with the control of the body functioning are: 
    • A. 

      Nervous and endocrine

    • B. 

      Nervous and respiratory 

    • C. 

      Circulatory and endocrine

    • D. 

      Circulatory and respiratory 

  • 20. 
    Sinuatrial node SA is the pacemaker of the heart because : 
    • A. 

      It has the largest rate of activity 

    • B. 

      It has affected by hormones

    • C. 

      It has the largest resting membrane potential 

    • D. 

      It has autonomic innervations

    • E. 

      It is protected by surrounding tissues 

  • 21. 
    The intracellular fluid compartment contains about -------------- of the water of the body 
    • A. 

      2/3

    • B. 

      1/3

    • C. 

      1/2

    • D. 

      45%

  • 22. 
    In which of the following the pressures change from 80 mmHg to 120 mmHg 
    • A. 

      The right ventricle 

    • B. 

      The left ventricle

    • C. 

      The left atrium 

    • D. 

      The aorta

    • E. 

      The pulmonary artery 

  • 23. 
    White blood cells 
    • A. 

      Can convert plasminogen into plasmin 

    • B. 

      Can remove the cellular debris 

    • C. 

      Are the most abundant type of blood cells 

    • D. 

      Activate clotting factor Xll 

    • E. 

      Are found only in the blood 

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