Respiratory Histology Hardest Trivia Quiz

19 Questions

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Respiratory Histology Hardest Trivia Quiz

The human respiratory system is made up of a lot of organs, with the main one being the lungs. The respiratory system main function is designed to ensure that oxygen is transported from the lungs to the parts of the body. The quiz is designed to help you see just how much you know about the respiratory histology give it a shot!


Questions and Answers
  • 1. 
    • A. 

      Smooth muscle

    • B. 

      Reticular fibers

    • C. 

      Hyaline cartilage

    • D. 

      Elastic fibers

    • E. 

      Respiratory epithelium

  • 2. 
    • A. 

      Trachea

    • B. 

      Bronchi

    • C. 

      Bronchioles

    • D. 

      Alveolar Ducts

    • E. 

      Alveoli

  • 3. 
    All of the following are characteristics of capillaries found within the alveolar septa EXCEPT:
    • A. 

      They have larger diameter than most capillaries

    • B. 

      They have lower pressure than most capillaries

    • C. 

      They are somatic, continuous capillaries

    • D. 

      They exhibit tight junctions between the neighboring endothelial cells.

    • E. 

      They lack a basal lamina

  • 4. 
    A unique feature of the olfactory epithelium is the presence of:
    • A. 

      Goblet cells

    • B. 

      Neurons that are replaced throughout life

    • C. 

      Hair cells

    • D. 

      Receptors for taste

    • E. 

      Clara cells

  • 5. 
    • A. 

      Trachealis muscle contracts during inhalation

    • B. 

      Diaphragm contracts during exhalation

    • C. 

      Smooth muscle and cartilage disappear from the airways at the same point.

    • D. 

      As one moves from the beginning to the end of the brochiolar tree, Goblet cells disappear before ciliated cells disappear

    • E. 

      Hyaline cartilage is found only in the larynx and trachea

  • 6. 
    Larynx, trachea, bronchi, bronchioles and alveolar septa have which of the following in common:
    • A. 

      Respiratory epithelium

    • B. 

      Smooth muscle

    • C. 

      Hyaline cartilage

    • D. 

      Elastic fibers

    • E. 

      Striated muscle

  • 7. 
    All of the following represent cells involved in the protective mechanisms of the respiratory tract EXCEPT:
    • A. 

      Clara cells

    • B. 

      Alveolar Macrophages

    • C. 

      Ciliated epithelial cells

    • D. 

      Goblet cells

    • E. 

      Type I pneumocytes

  • 8. 
    Respiratory epithelium and olfactory epithelium are alike in which of the following properties?
    • A. 

      Both contain goblet cells

    • B. 

      Both are pseudostratified epithelia

    • C. 

      Both contain bipolar sensory neurons

    • D. 

      Both contain cells with motile cilia

    • E. 

      Both contain Clara cells

  • 9. 
    • A. 

      Terminal bronchioles

    • B. 

      Respiratory bronchioles

    • C. 

      Alveolar ducts

    • D. 

      Alveolar sacs

    • E. 

      Alveoli

  • 10. 
    All of the following cells are found associated with alveoli EXCEPT:
    • A. 

      Type I pneumocytes

    • B. 

      Type II pneumocytes

    • C. 

      Clara cells

    • D. 

      Macrophages

    • E. 

      Endothelial cells

  • 11. 
    All of the following are characteristics of Type II pneumocytes EXCEPT:
    • A. 

      Contain organelles called lamellar bodies

    • B. 

      Secrete surfactant

    • C. 

      Phagocytize particulates reaching the alveoli

    • D. 

      Form tight junctions with Type I pneumocytes

    • E. 

      Divide to produce both Type I and Type II cells

  • 12. 
    • A. 

      Moisening air

    • B. 

      Filtering air

    • C. 

      Absorption of oxygen into blood

    • D. 

      Sampling odors in air

    • E. 

      Warming air

  • 13. 
    In order for oxygen in the inspired air to reach hemoglobin, it must diffuse across all of the following structures EXCEPT:
    • A. 

      Layer of surfactant

    • B. 

      An endothelial cell

    • C. 

      A Type I pneumocyte

    • D. 

      One or more smooth muscle cells

    • E. 

      The plasma membrane of the erythrocyte

  • 14. 
    • A. 

      2

    • B. 

      3

    • C. 

      4

    • D. 

      5

    • E. 

      6

  • 15. 
    • A. 

      Both the filtration barrier and the gas diffusion barrier contain two epithelial layers.

    • B. 

      Glomerular capillaries are fenetrated capillaries while alveolar capillaries are continuous capillaries.

    • C. 

      Alveolar capillaries have a smaller diameter and a higher hydrostatic pressure than glomerular capillaries

    • D. 

      Both the filtration barrier and the gas diffusion barrier include at least one basement membrane.

    • E. 

      Type I pneumocytes in the alveolus are connected by tight (sealing) junctions while the glomerular podocytes are not.

  • 16. 
    • A. 

      Bronchioles lack hyaline cartilage

    • B. 

      Elastic fibers are absent from alveoli

    • C. 

      Bronchioles have a ciliated simple cuboidal epithelium

    • D. 

      All extrapulmonary airways have C-shaped cartilage rings

    • E. 

      Smooth msucle is found in alveolar ducts

  • 17. 
    Smoking can lead to emphysema through a decrease in the activity of which one of the following?
    • A. 

      Collagenase

    • B. 

      Elastase

    • C. 

      Nicotine

    • D. 

      α1-antitrypsin

    • E. 

      Surfactant

  • 18. 
    The diameter of bronchioles is regulated by ________ while the length of bronchioles can be regulated by ________.
    • A. 

      Smooth muscle; elastic fibers

    • B. 

      Elastic fibers; smooth muscle

    • C. 

      Cartilage; elastic fibers

    • D. 

      Collagen; elastic fibers

    • E. 

      Cartilage; collagen

  • 19. 
    • A. 

      Type I pneumocyte (Type I alveolar cell)

    • B. 

      Type II pneumocyte (Type II alveolar cell)

    • C. 

      Alveolar Macrophage

    • D. 

      Clara cell

    • E. 

      Goblet cell