NS3410-2012-quiz 8-KEY

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3410

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Mechanical Engineering

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Oct 30, 2023

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NS3410 Spring 2012 Quiz 8 - 04/11/12 EMAIL:______________________NAME:_____________________ Circle the correct answer (circle all that apply) or fill in the blank with the appropriate term (1 pt each). 1. Match the term to the definition/function (each answer can only be used once). 5__Alveoli 1. Passageway for both air and food 3__Pleurae 2. Found at the junction of the primary bronchi 2__Carina 3. Serous membranes surrounding the lung 4__Trachea 4. Air passageway containing c-shaped cartilages 1__Pharynx 5. Main sites of gas exchange 2. All of the following statements apply to surfactant EXCEPT: It keeps the alveoli from collapsing during the process of respiration It is produced by Type I alveolar cells It reduces the surface tension of the water film in the alveoli. Premature babies (< 32 weeks) don’t produce enough surfactant 3. At high altitudes you have a different percentage of oxygen in the air TRUE/ FALSE. 4. Match the law to its name: A. Dalton's law B. Boyle’s Law C. Henry’s Law A_____Total pressure exerted by a mixture of gases is the sum of the pressures exerted independently by each gas in the mixture. B_____ Pressure of a gas is inversely proportional to its volume (at a constant temperature) P1V1 = P2V2 C_____The solubility of a gas in a liquid is proportional to the pressure of that gas above the liquid. 5. The horizontal fissure is present in both lungs. TRUE / FALSE (circle correct answer) 6. The oblique fissure is present in both lungs. TRUE/ FALSE (circle correct answer)
7. Which process is not visible on a typical EKG? Ventricle repolarization Ventricle depolarization Atrial repolarization Atrial depolarization 8. Which channels give the cardiac contractile cells their much longer absolute refractory period? Slow Na voltage gated channels Slow Ca voltage gated channels K voltage gated channels If Channels 9. Which interval of the EKG is indicative of the absolute refractory period? P wave PR segment T wave QRS complex Start of Q wave to peak of T wave PR interval Start of P wave to start of T wave 10. High / Low (circle correct answer) compliance lungs are healthy lungs. 11. Which two terms below are utilized to calculate the inspiratory capacity (IC)? Expiratory reserve volume Tidal volume Vital capacity Total lung capacity Residual volume Inspiratory reserve volume Please check the grading of questions 5 and 6 on your quiz.
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