Hondros Bio 117 Final Exam Questions With Detailed Correctly Answers

1. Allows blood in pulmonary artery to flow directly into the descending aorta to bypass the
pulmonary circulation - CORRECT ANS - ductus arteriosus



2. Ventricular relaxtion; diastole; t wave - CORRECT ANS - ventricular repolarization



3. Most important stimulus for the release of aldosterone - CORRECT ANS - renin



4. Volume of air in lungs following maximal inhalation - CORRECT ANS - total lung capacity



5. Provides oxygenated blood to brain - CORRECT ANS - circle of willis



6. Allows blood to flow directly from the right atrium into the left atrium to bypass pulmonary
circulation - CORRECT ANS - foramen ovale



7. Carries blood from the umbilical vein to inferior vena cava; allows some blood to bypass the liver
- CORRECT ANS - ductus venosus



8. Atrial contraction; systole; p wave - CORRECT ANS - atrial depolarization



9. Max volume of air that can be exhaled following maximal inhalation - CORRECT ANS - vital
capacity



10. Aorta; left pulmonary veins; left atrium; left ventricle; bicuspid - CORRECT ANS - structures
that carry oxygenated blood (left heart)

,11. Pulmonary arteries; vena cava; right atrium; right ventricle; tricuspid - CORRECT ANS -
structures that carry unoxygenated blood (right heart)



12. Transport unoxygenated blood from the fetus to the placenta - CORRECT ANS - umbilical
arteries



13. Transports oxygenated blood from the placenta to the fetus - CORRECT ANS - umbilical vein



14. Volume of air that remains in lung after forceful exhalation - CORRECT ANS - residual volume



15. Ventricular contraction; systole; qrs complex - CORRECT ANS - ventricular depolarization



16. Located between left ventricle and left aorta - CORRECT ANS - aortic semilunar valve



17. Located between right ventricle and pulmonary artery - CORRECT ANS - pulmonic semilunar



18. Two semilunar valves - CORRECT ANS - pulmonary and aortic



19. Pushes blood out of the heart into the pulmonary trunk-lungs - CORRECT ANS - right ventricle



20. Decreases thoracic and lung volume and increases pressure in the lungs - CORRECT ANS -
exhalation



21. Space between the vocal cords - CORRECT ANS - glottis/rima glottidis



22. Vagus nerve effects - CORRECT ANS - sa node



23. Pacemaker of the heart - CORRECT ANS - SA node



24. Right heart pumps blood to the - CORRECT ANS - pulmonary circulation

,25. Acetylcholine; rest; decrease temp; hyperkalemia; hypocalcemia; parasympathetic nervous system
- CORRECT ANS - factors that decrease heart rate



26. Norepinephrine; epinephrine; stress; increase in temp; anticholinergic drugs; hypokalemia;
hypercalcemia - CORRECT ANS - factors that increase heart rate



27. Left AV valve - CORRECT ANS - Bicuspid



28. What substance is secreted in urine to decrease bloods ph - CORRECT ANS - bicarbonte HCO3



29. What substance is secreted in urine to increase bloods ph - CORRECT ANS - hydrogen ions



30. Plasma protein albumin is produced by - CORRECT ANS - liver



31. Volume of blood pumped from one ventricular of the heart with each beat - CORRECT ANS -
stroke volume



32. Volume of blood being pumped by heart, in particular by a left or right ventricle in the time of
one minute - CORRECT ANS - cardiac output



33. Vagus nerve - CORRECT ANS - decreases heart rate



34. Right AV valve - CORRECT ANS - Tricuspid



35. Septum between right and left atria - CORRECT ANS - foramen ovale



36. Eliminated when we have acidosis - CORRECT ANS - hydrogen ions



37. Only structure of respiratory tract that is part of digestive system - CORRECT ANS - pharynx

, 38. Protein inside red blood cells that carry oxygento cells and carbon dioxide to the lungs -
CORRECT ANS - hemoglobin



39. Loss of negative intrapleural pressure - CORRECT ANS - collapses lung



40. Measured during normal quiet breathing - CORRECT ANS - tidal volume



41. Coronary arteries and veins are part of - CORRECT ANS - systemic circulation



42. Located between right atrium and right ventricle - CORRECT ANS - right av



43. Lower chambers of the heart and pump blood out of the heart - CORRECT ANS - ventricles



44. Muscles of respiration relax and allow the ribs and diaphragm to return to their original positions -
CORRECT ANS - exhalation



45. Left heart pumps blood to the - CORRECT ANS - systemic circulation



46. Pushes blood out of the heart into the aorta-body - CORRECT ANS - left venteicle



47. Small hole in septum - CORRECT ANS - foramen ovale



48. Collects nutrient rich, deoxygenated blood to the liver - CORRECT ANS - hepatic portal vein



49. Excess sodium in the blood and is result of excess water loss - CORRECT ANS - hypernatremia



50. Stimulates the reabsorption of sodium and water; stimulates the excretion of potassium; acts
primarily on the distal tubule - CORRECT ANS - aldosterone