Cardiovascular and respiratory system

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  • Created by: ez
  • Created on: 02-11-13 17:19

1. Why are horses obligate nasal breathers?

  • They're too dumb to breathe through their mouths
  • Epiglottis is located above the soft palate, forming an airtight seal between oropharynx and trachea
  • Trachea is located dorsal to oesphagus
  • Epiglottis is located below the soft palate, blocking the entrance to the trachea
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2. What is the function of the pleural fluid?

  • Keeps alveoli moist
  • Provides surface tension and lubrication
  • Keeps lungs and bronchioles moist
  • Lubrication only

3. What is a ventricular diastole?

  • Contraction of the ventricles, forcing blood into the major blood vessels
  • Relaxation of the ventricles, allowing blood in from the atria
  • Relaxation of the ventricles, closing the atrioventricular valves

4. What is found at the base of the heart in a dog?

  • Phrenopericardiac ligament
  • Sternopericardiac ligament

5. List the blood vessels in ascending order of blood pressure

  • Vein, venule, capillary, arteriole, artery
  • Capillary, venule, vein, arteriole, artery
  • Venule, vein, capillary, arteriole, artery
  • Venule, vein, capillary, artery, arteriole


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