Anatomy And Physiology Final Exam

35 Questions  I  By Redbeam1022
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� Which of the following can be found in cartilage but not bone tissue:�

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  • 1. 
    Which of the following can be found in cartilage but not bone tissue:
    • A. 

      A. lacunae 

    • B. 

      B. protein fibers

    • C. 

      C. blood vessels

    • D. 

      D. chondroitin

  • 2. 
    The most common type of exocrine gland is this type: 
    • A. 

      A. apocrine

    • B. 

      B. merocrine

    • C. 

      C. endocrine

    • D. 


  • 3. 
    Epithelia that consist of more than one layer of cells is termed:
    • A. 

      A. striated 

    • B. 

       b. stratified

    • C. 

      C. stipilated

    • D. 

      D. intercalated 

  • 4. 
    The matrix of connective tissue is composed of:
    • A. 

      A. cells, fibers and ground substance

    • B. 

      B. cells and fibers 

    • C. 

      C. fibers and ground substance

    • D. 

      d. cells and ground substance

  • 5. 
    Small hair-like structures on the surface of some epithelial cells are termed: 
    • A. 

      A. cilia 

    • B. 

      B. glia 

    • C. 

      C. villi 

    • D. 

      D. microvilli 

  • 6. 
    These cells are located in bone tissue:
    • A. 

      a. chondroblasts 

    • B. 

      B. osteocytes 

    • C. 

      C. fibroblasts

    • D. 

      D. chondrocytes 

  • 7. 
    Which of the following heals the quickest after injury:
    • A. 

      A. bone

    • B. 

      B. epithelium 

    • C. 

      c. cartilage

    • D. 

      D. muscle 

  • 8. 
    ________ -gated ion channels open or close only in response to a change in the nearby membrane potential.

  • 9. 
    __________  is an example of a drug that blocks the opening of Na+ channels, thus blocking the initiation of neuronal action potentials.

  • 10. 
    The  ________ period of an action potential causes that region of membrane to be temporarily unresponsive to another stimulus. This ensures that action potentials migrate in one direction, namely, away from the soma  .

  • 11. 
    ________  is a common inhibitory neurotransmitter in the CNS.

  • 12. 
    Movement of Cl- into a neuronal cell would make a neuron  ________  likely to fire an action potential.

  • 13. 
    The small extensions off of the neuronal cell bodies that receive stimuli are  _________  .

  • 14. 
    For any given neuron, all action potentials are of the same intensity. This is referred to as the " _________  " principle. In order to alter the intensity of a given neuronal stimulus, the  rate  of firing of action potentials is increased.

  • 15. 
    Influx of Na+ causes  __________  of the membrane, which is the first phase of the action potential.

  • 16. 
    A structure composed of two or more tissues is termed:

  • 17. 
    The "basic unit of life" is: 

  • 18. 
    The sum of all chemical reactions in the body is termed: 

  • 19. 
    A vertical plane through the body dividing it into right and left is termed:

  • 20. 
    The elbow is _____ to the wrist.

  • 21. 
    The heart is ______ to the lungs.

  • 22. 
    Histology is the study of ________.

  • 23. 
    __________  is a CNS disease where the  myelin sheath  of motor neurons is degenerating or being destroyed, which interferes with neuronal impulses. This is a progressive disease that causes widespread motor deficits.

  • 24. 
     Oligodendrocytes  are cells that electrically insulate neuronal axons in the central nervous system. This electrical insulation is referred to as  ________.

  • 25. 
    The dark granular substance inside neuronal cell bodies are called  _________  . It is composed of dense collections of  ribosomes  where  protein synthesis  occurs.

  • 26. 
    The branch of the autonomic nervous system that induces the "flight or fight" response is the ________.

  • 27. 
    The brain and spinal cord comprise the  ________  nervous system

  • 28. 
    All nerves of the body residing outside of the brain and spinal cord comprise the ________  nervous system.

  • 29. 
    The most common type of neuron is the _________ or interneuron which communicates from one neuron to another.

  • 30. 
    Photoreceptors release more neurotransmitters:
    • A. 

      A. in brighter light

    • B. 

      B. in darkness

    • C. 

      C. only when stimulated by bipolar cells

    • D. 

      D. none of the above

  • 31. 
    The major light absorbing pigment in retinal photoreceptors is:
    • A. 

      A. rhodopsin

    • B. 

       b. melanin

    • C. 

      C. glutamate

    • D. 

      D. chlorophyll

  • 32. 
    Cone cells are photoreceptors that:
    • A. 

       a. respond to low light levels

    • B. 

      B. respond to colored light

    • C. 

       c. are found in the optic disc

    • D. 

      D. are found in the vascular tunic

  • 33. 
    Sympathetic stimulation of the iris causes:
    • A. 

      A. astigmatism

    • B. 

      B. pupillary constriction

    • C. 

      C. pupillary dilation

    • D. 

      D. glaucoma

  • 34. 
    "Night blindness" is an early sign of:
    • A. 

      A. cataracts

    • B. 

      B. glaucoma

    • C. 

      C. vitamin A deficiency

    • D. 

      D. myopia

  • 35. 
    Some of the nerves that innervate lymph nodes have been discovered to be adrenergic (can release norepinephrine). This would suggest that:
    • A. 

      A. the parasympathetic nervous system may influence lymph node activity

    • B. 

      B. the sympathetic nervous system must act to enhance lymph node activity

    • C. 

      C. the parasympathetic nervous system has no effect on lymph node activity

    • D. 

      D. the sympathetic nervous system may influence lymph node activity

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