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Quiz

Physiology II

ivenkat 7 perguntas

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Perguntas do quiz (7)

  1. 1All of the following about bronchioles is true except?
    1. AHas ciliated cells
    2. Bhas cartilage
    3. Chas smooth muscle
    4. Dno mucous production
    5. Ehas cilia
    6. Fnone of the above
  2. 2Respiratory bronchioles - all of the following are true except?
    1. ABelong to the respiratory zone
    2. BThey are the 17-19 degree branches
    3. Chas cilia, smooth muscle and cartilage
    4. Dnone of the above
  3. 3Lung region with highest cross sectional area is alveoli
    1. AVerdadeiro
    2. BFalso
  4. 4Regarding alveolus
    1. ALined by a single layer of simples squamous epithelium - type I Pneumocytes
    2. BType II pneumocytes are cuboidal and secrete surfactant
    3. CClara/club cell are found and are similar to stem cell because they can divide and replace other clara cells
    4. DAlveoli do not contain cilia -> no mucociliary clearance
    5. Eall of the above are correct
  5. 5Regarding the circulating system
    1. APulmonary capillary pressure = 10 mm of Hg, Pulmonary vein = 6 mmHg, LA = 5 mmHg, LV = 120/0
    2. BSystemic capillary pressure = 20 mmHg, Systemic Veins 15 mmHg, RA = 2 mmHg, RV = 25/0,
    3. CIn fetus the Pulmonary pressures are very high and systemic pressures are low
    4. DAdult circulation the Pulmonary pressures are about 1/5 of Systemic circulation
    5. EAll of the above are true
    6. F1 and 2 are true
  6. 6Alveoli are kept dry because
    1. AAir pressure pushes the fluid out of the alveoli into the interstitium
    2. BColloid osmotic pressure keeps the fluid in the capillary
    3. CHydrostatic pressure in the capillary pushes fluid out into the interstitium
    4. DSurface tension in the alveolus pulls the fluid out into the alveolus
    5. ENone of the above
    6. Fall of the above
  7. 7Secondary functions of respiratory system are conversion of angiotensin I to angiotensin II, reservoir of blood, maintain blood pH
    1. AVerdadeiro
    2. BFalso

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ivenkat
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