biolab140.txt

Card Set Information

Author:
itzlinds
ID:
137482
Filename:
biolab140.txt
Updated:
2012-02-27 11:44:38
Tags:
respiratory system
Folders:

Description:
respiratory system
Show Answers:

Home > Flashcards > Print Preview

The flashcards below were created by user itzlinds on FreezingBlue Flashcards. What would you like to do?


  1. Name the fxn of (squamous) Type I alveolar cells:
    • cover about 95% of the alveloar surface area
    • thinness allows for rapid gas diffusion between air and the blood
  2. name the fxn of (great) Type II alveloar cells:
    • covers about 5% of surface area
    • repair the alveloar epithelium when the squamous cells are damaged
    • secrete pulmonary surfactant
  3. name the fxn of alveolar macrophages:
    • most numerous of all cells in the lungs
    • keep the alveloi free of debris by phagocytizing dust particles and bacteria
  4. explain the fxn of surfactant:
    • an agent that disrupts the hydrogen bonds of water and reduces surface tension
    • prevents the collapse of the alveolus when deflating
  5. List the muscles that are used during quite inspiration:
    • diaphragm
    • external intercostals
  6. list the muscles used during forced inspiration:
    • diaphragm
    • external intercostals
    • sternoclediomastoid
    • scalenes
    • pectoralis minor
  7. list the mucscle for quite expiration:
    None!
  8. list the muscles used in forced expiration:
    • internal intercostals
    • rectus abdominis
    • external abdominal obliques
  9. Name the structures involved in neural control of breathing:
    • ventral respiratory group (VRG)
    • dorsal respiratory group (DRG)
    • cerebral cortex
    • pontine respiratory group (PRG)
    • central chemoreceptors
    • peripheral chemoreceptors
    • stretch receptors
    • irritant receptors
  10. list the location and its role in breathing for the ventral respiratiory group (VRG):
    • location: medulla oblongata
    • role: pattern genterator
  11. list the location and its role in breathing for the dorsal respiratory group (DRG):
    • location: medulla oblongata
    • role: intergrator
  12. name the location and the role in breathing for the cerebral cortex:
    • location: cerebral cortex
    • role: modulator
  13. name the location and the role in breathing for pontine respiratory group (PRG):
    • location: pons
    • role: modulator
  14. name the location and the role in breathing for the central chemoreceptors:
    • location: meduall oblongata
    • role: modulator
  15. name the location and the role in breathing for the peripheral chemoreceptors:
    • location: carotid bodies and aortic bodies
    • role: modulator
  16. name the location and the role in breathing for the stretch receptors:
    • location: visceral pleura, bronchi, and bronchioles
    • role: modulator
  17. name the location and the role in breathing for the irritant receptors:
    • location: respiratory epithelium
    • role: modulator



  18. A lobar bronchus is labeled by the letter ____ in the diagram.

    A
    B
    C
    D
    E
    F
    E
  19. A main bronchi is labeled by the letter ______ in the diagram:

    a
    b
    c
    d
    e
    f
    F
  20. The vocal cord is lable by the letter _________ in the diagram

    a
    b
    c
    d
    e
    f
    a
  21. The glottis is labeled by the letter ____ in the diagram.

    A
    B
    C
    D
    E
    F

    B
  22. the vestibular fold is labeled by the letter ______ in the diagram.

    a
    b
    c
    d
    e
    f

    C



  23. The hyoid bone is labeled by the letter _____ in the diagram.
    h
    i
    g
    j
    k
    l
    j
  24. the trachea is labled by the letter ____ in the diagram.

    h
    i
    g
    j
    k
    l

    L
  25. the cricoid cartilage is labeled by the letter ____ in the diagram.

    g
    h
    i
    j
    k
    l

    K
  26. the inferior nasal concha is labled by the letter ____ in the diagram.

    g
    h
    i
    j
    k
    l

    I
  27. the oropharynx is labeled by the letter ____ in the diagram.

    g
    h
    i
    j
    k
    l

    H
  28. the epiglottis is labeled by the letter ___ in the diagram.

    g
    h
    i
    j
    k
    l

    g
  29. Put the following structures of the respiratory airway in order as a molecule of O 2 travels from the atmosphere into the lungs:

    larynopharynx
    alveolar sac
    middle nasal concha
    segmental bronchus
    external nare
    trachea
    • external nare
    • middlee nasal concha
    • larynopharynx
    • trachea
    • segmental bronchus
    • alveolar sac
  30. Put the following structures of the respiratory airway in order as a molecule of CO 2 travels from the lungs into the atmosphere:

    pharynx
    terminal bronchiole
    alveoli
    larynx
    superior nasal concha
    main bronchus
    • alveoli
    • terminal brochiole
    • main bronchus
    • larynx
    • pharynx
    • superior nasal concha
  31. Which of the following cell types phagocytize debris that gets trapped in the mucus of the lungs? (0.5pts)

    Alveolar macrophages
    Endopulmonary cells
    Type I alveolar cells
    Red blood cells
    Type II alveolar cells
    alveloar macrophages
  32. What is the function of surfactant? (0.5pts)

    Decrease surface tension inside alveoli
    Increase compliance of the lungs
    Increase surface tension inside alveoli
    Decrease compliance of the lungs
    Decrease osmotic pressure inside alveoli
    Increase osmotic pressure inside alveoli
    decrease surface tension inside alveoli
  33. Which muscle or muscle group is the prime mover of respiration? (0.25pts)



    Diaphragm
    Internal intercostals
    Pectoralis major and minor
    Rectus abdominis
    External intercostals
    diaphragm
  34. Which of the following muscles contracts during forced inspiration? (0.25pts)

    sternocleidomastoid
    latissimus dorsi
    rhomboids
    external abdominal obliques
    rectus abdominis
    sternoclediomastoid
  35. Where are the stretch receptors that communicate information to the brain regarding the status of the lungs located? (0.25pts)

    visceral pleura
    parietal pleura
    alveoli
    hilum
    respiratory epithelium
    visceral pleura
  36. The primary generator of respiratory rhythm (pattern generator) is the: (0.25pts)


    central chemoreceptors
    ventral respiratory group (VRG)
    dorsal respiratory group (DRG)
    pontine respiratory group (PRG)
    cerebral cortex
    ventral respiratory group
  37. list the definition, how to calculate, and the typical value of Tidal Volume (TV):
    • definition: the amount of air inhaled and exhaled in one cycle during quiet breathing
    • how to calculate:
    • typical value: 500 mL
  38. list the definition, how to calculate, and the typical value of Inspiratory reserve volume (IRV):
    • definition: the amount of air in excess of tidal volume that can be inhaled with maximum effort
    • how to calculate:
    • typical value: 3,000 mL
  39. list the definition, how to calculate, and the typical value of Expiratory reserve volume (ERV):
    • definition: amount of air in excess of tidal volume that can be exhaled with maximum effort
    • how to calculate:
    • typical value: 1,200 mL
  40. list the definition, how to calculate, and the typical value of Residual volume (RV):
    • definition: amount of air remaining in the lungs after maximum expiration; the amount that can never be voluntarily exhaled
    • how to calculate:
    • typical value: 1,300 mL
  41. list the definition, how to calculate, and the typical value of Vital capacity (VC):
    • definition: the amount of air that can be inhaled and then exhaled with maximum effort; the deepest breath possible
    • how to calculate: VC= ERV + TV + IRV
    • typical value: 4,700 mL
  42. list the definition, how to calculate, and the typical value of Inspiratory Capacity (IC):
    • definition: maximum amount of air that can be inhaled after a normal tidal expiration
    • how to calculate: IC = TV + IRV
    • typical value: 3,500 mL
  43. list the definition, how to calculate, and the typical value of Functional residual capacity (FRC):
    • definition: amount of air remaining in the lungs after a normal tidal expiration
    • how to calculate: FRC = RV - ERV
    • typical value: 2,500 mL
  44. list the definition, how to calculate, and the typical value of total lung capacity (TLC):
    • definition: the maximum amount of air the lungs can contain
    • how to calculate: TLC = RV + VC
  45. list the definition, how to calculate, and the typical value of Forced expiratory volume ( FEV):
    • definition: the volume of air of the precentage of the vital capacity that can be exhaled in a give time interval
    • how to calculate:
    • typical value: 75%-85%/1.0 second
  46. list the definition, how to calculate, and the typical value of Minute ventilation rate:
    • definition: the amount of air inhaled per minute
    • how to calculate: MVR = TV x respiratory rate
    • typical value: 6,000 mL/min
  47. list the definition, how to calculate, and the typical value of Alveolar ventilation rate AVR:
    • definition: the body's ability to get oxygen to teh tissues and dispose of carbon dioxide
    • how to calculate:
  48. relaxed, quiet breathing is called:
    eupnea
  49. the temporary cessation of breathing (one or more skipped breaths) is called:
    apnea
  50. labored, gasping breathing; shortness of breath is called:
    dyspnea
  51. increased rate and depths of breathing in response to exercise, pain, or other conditions is called:
    hyperpnea

What would you like to do?

Home > Flashcards > Print Preview