Human Biology Exam Questions: Quiz!

50 Questions | Total Attempts: 224

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Human Biology Exam Questions: Quiz!

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Questions and Answers
  • 1. 
    A tendon is indicated by arrow number _____?
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      5

  • 2. 
    The insertion site is indicated by arrow number _____?
    • A. 

      1

    • B. 

      3

    • C. 

      4

    • D. 

      5

  • 3. 
    Remember to use the arrows in the figure above to answer the following. The type of structure found in the illustration below would be found at arrow number ________ in the illustration above?
    • A. 

      1

    • B. 

      2

    • C. 

      4

    • D. 

      5

  • 4. 
    The basic units of contraction in a muscle are attached together to form the:
    • A. 

      Sarcomeres.

    • B. 

      Myosin molecules.

    • C. 

      Myofibrils.

    • D. 

      Actin molecule.

  • 5. 
    Which of the following ions will cause the actual contraction of a muscle cell?
    • A. 

      Na+

    • B. 

      Ca++

    • C. 

      K+

    • D. 

      H+

  • 6. 
    The myosin-binding site on the actin filament is no longer blocked when ______ is moved.
    • A. 

      Troposin

    • B. 

      Tropomyosin

    • C. 

      Acetylcholine

    • D. 

      Calsequestrin

  • 7. 
    The figure in which one can be sure Calcium has first attached to troponin is:
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

  • 8. 
    ATP is necessary to cause the result seen in Fig. ______.
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

  • 9. 
    Which is true of Fig 3?
    • A. 

      Actin is binding to Ca++.

    • B. 

      Troponin is binding to Ca++.

    • C. 

      Myosin is binding to tropomyosin.

    • D. 

      Myosin heads are moving to cause contraction.

  • 10. 
    The figure in which it is clear that myosin has assumed the unenergized state is:
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

  • 11. 
    The letter A in Fig 1 indicates that ________:
    • A. 

      The muscle is in a fully contracted state.

    • B. 

      Ca++ may not be present.

    • C. 

      Myosin has neither ATP nor ADP + P attached to it.

    • D. 

      Tropomyosin is covering myosin rather than actin.

  • 12. 
    In a human heart one can measure diastolic and systolic blood pressures. Systolic pressure is measured in the arm when ----------------------- contract(s).
    • A. 

      Right atrium

    • B. 

      Left atrium

    • C. 

      Right ventricle

    • D. 

      Left ventricle

  • 13. 
    Which of the following chambers of the heart receives blood from the lungs?
    • A. 

      Right atrium

    • B. 

      Left atrium

    • C. 

      Right ventricle

    • D. 

      Left ventricle

  • 14. 
    Blood leaves the human heart from:
    • A. 

      Left and right atria.

    • B. 

      Left ventricle only.

    • C. 

      Right ventricle only.

    • D. 

      Right ventricle and left ventricle.

  • 15. 
    Both non-specific and specific defense responses involve the use of:
    • A. 

      Red blood cells.

    • B. 

      Platelets.

    • C. 

      White blood cells.

    • D. 

      Histamine.

  • 16. 
    Histamine which is released by mast cells:
    • A. 

      Causes capillaries to leak.

    • B. 

      Causes fibrin to attach to the wound.

    • C. 

      Causes release of platelets.

    • D. 

      Prevents blood from reaching the wound.

  • 17. 
    Memory B cells are produced from:
    • A. 

      Activated B cells.

    • B. 

      Memory T cells.

    • C. 

      Division of macrophages.

    • D. 

      T cells action on platelets.

  • 18. 
    MHC (major histocompatability complex proteins) identify:
    • A. 

      An individual’s cells as being "self".

    • B. 

      Macrophages.

    • C. 

      The Human Immunodeficiency Virus.

    • D. 

      The site of a wound.

  • 19. 
    Body cells (i.e. liver cells) differ from those of the immune system because body cells:
    • A. 

      Do not have markers which signify "self".

    • B. 

      Can all be infected by HIV.

    • C. 

      Cannot be infected by any foreign invader at all.

    • D. 

      Do not display antigens.

  • 20. 
    The human immunodeficiency virus (HIV) primarily destroys which cells?
    • A. 

      B cells

    • B. 

      Helper T cells

    • C. 

      Cytotoxic T cells

    • D. 

      Neutrophils

  • 21. 
    Which of the following is a characteristic of inflammation?
    • A. 

      Histamine release is inhibited.

    • B. 

      Blood vessels contracts.

    • C. 

      Temperature of the affected areas rises.

    • D. 

      Macrophages migrate away from the affected area.

  • 22. 
    Antibodies of the immune response are formed by:
    • A. 

      Cytotoxic T Cells

    • B. 

      Helper T Cells

    • C. 

      B Cells

    • D. 

      All of the above can form antibodies.

  • 23. 
    Which would be an antigen presenting cell?
    • A. 

      Macrophage

    • B. 

      B Cells

    • C. 

      Helper T Cells

    • D. 

      Both macrophages and B cells are antigen presenting cells.

  • 24. 
    Which of the following organs of the digestive system produces HCl?
    • A. 

      Stomach

    • B. 

      Liver

    • C. 

      Panceas

    • D. 

      Salivary gland

  • 25. 
    Which of the following organs of the digestive system is different from the other four because it also deals with making the waste product called urea?
    • A. 

      Stomach

    • B. 

      Liver

    • C. 

      Pancreas

    • D. 

      Salivary gland

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