BLG 10A/B Study Guide - Infant Respiratory Distress Syndrome, Alveolar Cells, Breathing

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13 Apr 2014

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Pre-lecture questions: list the correct order of structures through which air moves from when it enters the body at the mouth and nose to the alveoli in the lungs. Aveoli: write the formulae for boyle"s law and henry"s law and describe in words the important principle described by each. Pressure=1/volume (pressure goes up, volume goes down: draw an oxyhemoglobin dissociation curve. Involves both the respiratory and the circulatory systems. Four processes that supply the body with o2 and dispose of co2: pulmonary ventilation (breathing): movement of air into and out of the lungs, external respiration: o2 and co2 exchange between the lungs and the blood. Internal respiration: o2 and co2 exchange between systemic blood vessels and tissues. *notes: when volume is big, pressure is low, when diaphragm contracts it pulls down. Functional anatomy: respiratory zone: site of gas exchange, microscopic structures: respiratory bronchioles, alveolar ducts, and alveoli, conducting zone: conduits to gas exchange sites.

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1. Match the word 1-39 above, with the descriptions labled a-t. Word 1-39 can be uses only one please!!

1. alveolar macrophages 2. alveoli 3. Bohr effect 4. bronchi 5. bronchiole 6. cerebral cortex 7. chloride shift 8. compliance 9. costal breathing 10. Daltonâs law 11. diaphragmatic breathing 12. epiglottis 13. eupnea 14. expiratory reserve volume 15. fauces 16. functional residual capacity 17. Haldane effect 18. Henryâs law 19. hilum 20. hypothalamus 21. inferior, middle, and superior nasal meatuses 22. inspiratory capacity 23. larynx 24. limbic system 25. medulla oblongata 26. nose 27. paranasal sinuses 28. pharynx 29. pleural membranes 30. pons 31. primary bronchus 32. secondary bronchus 33. surface tension 34. surfactant 35. terminal bronchiole 36. tertiary bronchus 37. total lung capacity 38. trachea 39. vital capacity

a) -------------------- serves as a sound resonating chamber; contains tonsils; directs air inferiorly

b) ------------------- passes air from pharynx into windpipe; site of sound production

c) ------------------ resonate(s) sound; not part of pharynx

D) ------------------ opening from oral cavity into pharynx

E) ----------------- carries air to a segment of a lung

F) -------------------- carries air directly into a respiratory bronchiole

G) ----------------- surround the lungs

H) ------------------ reduces surface tension at sites of gas exchange

i) -------------------- actual sites of gas exchange

j) --------------------- normal, quiet breathing

k) ----------------------- shallow breathing using just the external intercostal muscles

l) ------------------ amount of effort required to expand the lungs and chest wall

m) ------------------- tidal volume + inspiratory reserve volume, usually about 3600 mL in males

n) ----------------- tidal volume + inspiratory reserve volume + expiratory reserve volume; usually about 4800 mL in males

o) ------------------- residual volume + expiratory reserve volume; usually about 2400 mL in males

p) -------------------- states that the amount of gas that will dissolve in a liquid is proportional to the partial pressure of that gas and its solubility

q) ---------------- when pH decreases, O₂ saturation of hemoglobin decreases

r) ------------------ each gas in a mixture of gases exerts its own partial pressure

s) ------------------- sets basic rhythm of breathing

t) ------------------------ includes the pontine respiratory group

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BLG 10A/B Study Guide - Infant Respiratory Distress Syndrome, Alveolar Cells, Breathing

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