Physiology - Introduction To Medicine Mcqs

14 Questions

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Medicine Quizzes & Trivia

Questions and Answers
  • 1. 
    • A. 

      K ions

    • B. 

      Na ions

    • C. 

      Cl ions

    • D. 

      Proteins

  • 2. 
    Normal RMP os a nerve is:
    • A. 

      - 60 mv

    • B. 

      - 70 mv

    • C. 

      - 80 mv

    • D. 

      - 90 mv

  • 3. 
    It is the concentration of a solution in terms of particles:
    • A. 

      Osmolality

    • B. 

      Osmolarity

    • C. 

      Osmotic pressure

    • D. 

      Osmole

  • 4. 
    All of the following are related to hypertonic solutions except:
    • A. 

      It has higher solutes in comparison to cells

    • B. 

      It affects cell size by making it shrink

    • C. 

      Glucose 5% is one of its examples

    • D. 

      None of the above

  • 5. 
    • A. 

      1- Diffusion 2- osmosis

    • B. 

      1- Filtration 2- osmosis

    • C. 

      1- Diffusion 2- filtration

    • D. 

      1- Filtration 2- Diffusion

  • 6. 
    All of the folloing are concidered as endocytosis mechanism except:
    • A. 

      Stimulus dependent secretion

    • B. 

      Receptor mediated endocytosis

    • C. 

      Phagocytosis

    • D. 

      Pinocytosis

  • 7. 
    Which of the following is not a component of recptor mediated endocytosis: 
    • A. 

      Cargo receptors

    • B. 

      Uncoated vesicles

    • C. 

      Pseudopedia

    • D. 

      Adaptin

  • 8. 
    The main stimulator for exocytosis at the neuromuscular junction is:
    • A. 

      Ca ions

    • B. 

      Na ions

    • C. 

      Ligand gated channels

    • D. 

      Ca ions & transport vesicles

  • 9. 
    Stoppage of bleeding by formation of blood clot:
    • A. 

      Homeostasis

    • B. 

      Exocytosis

    • C. 

      Hemostasis

    • D. 

      Endocytosis

  • 10. 
    The three main components of reflex arc:
    • A. 

      Receptor, afferent, center

    • B. 

      Afferent, center, efferent

    • C. 

      Center, efferent, effector

    • D. 

      Receptor, center, effector

  • 11. 
    Which of the following is an example of positive feedback vicious mechaism:
    • A. 

      Blood clotting

    • B. 

      Child birth

    • C. 

      CO2 feedback mechanism

    • D. 

      Acetyl choline release

  • 12. 
    Cascade mechanism end or stop or inhibited by the following mechanism:
    • A. 

      Removal of the stimulus

    • B. 

      Another positive feedback mechanism

    • C. 

      Spontaneously without any mechanism

    • D. 

      A negative feedback mechanism

  • 13. 
    All of the following can pass through lipid bilayer except:
    • A. 

      Lipid soluble substances

    • B. 

      Na ions

    • C. 

      O2

    • D. 

      CO2

  • 14. 
    Regarding glucose transport, which is false: it can be transported by secondary active mechanism b- it may be by a carrier protein with concentration gradient without use of energy c- it may be by pinocytosis d- it is never to be through leak channel
    • A. 

      It can be transported by secondary active mechanism

    • B. 

      It may be by a carrier protein with concentration gradient without use of energy

    • C. 

      It may be by pinocytosis

    • D. 

      It is never to be through leak channel