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Question 11.Which molecule decreases surface tension and thus makes ventilation possible?
Question 22.Consider the receptors that are part of the homeostatic system for regulation of ventilation. Which of the following are the central chemoreceptors sensitive to?
Question 33.What is transpulmonary pressure?
Question 44.Which of the following would NOT result from hypercapnia?
Question 55.Why does air move out of the lungs during expiration?
Question 66.Which structure provides support and flexibility for the trachea?
Question 77.Why is the small amount of dissolved oxygen important for oxygen transport?
Question 88.Which of the following is NOT true concerning ventilation?
Question 99.Which of the following would most readily bind oxygen?
Question 1010.Which of the following gestation periods is the shortest while still allowing the child to breathe on their own?
Question 1111.Contraction of which muscle results in inspiration?
Question 1212.Which of the following is true of the partial pressure of a gas in a mixture?
Question 1313.Which of the following is true of surface tension in the respiratory system?
Question 1414.Which of the following decreases the concentration of oxygen in the alveolar air?
Question 1515.Which of the following is the best description of blood leaving the metabolizing tissues and returning to the lungs?
Question 1616.Which gas law accounts for ventilation?
Question 1717.What would be the symptoms of low levels of hemoglobin?
Question 1818.Identify the molecule in human blood that carries oxygen.
Question 1919.Which of the following best describes how gas exchange occurs?
Question 2020.Which problem is caused by a lack of pulmonary surfactant?
Question 2121.What is the partial pressure of oxygen in the alveolar air and oxygen rich blood leaving the lungs?
Question 2222.Consider the following mixture of gases: 20% oxygen, 40% carbon dioxide, and 40% nitrogen. If the total pressure is 1000 mmHg, then what is the partial pressure of oxygen?
Question 2323.Which of these structures is not a part of the respiratory system?
Question 2424.Which structure is referred to as the wind pipe?
Question 2525.If a person has an intrapleural pressure of x and an intrapulmonary pressure of y, then which of the following is definitely TRUE?
Question 2626.Why do we have millions of alveoli in each lung?
Question 2727.Which of the following best describes external respiration?
Question 2828.Consider a person undergoing strenuous exercise. Which of the following would NOT be true for this person?
Question 2929.Tom's left lung is poorly ventilated, decreasing the partial pressure of oxygen to 80 mmHg. What would be the partial pressure of oxygen in the blood as it leaves Tom's left lung?
Question 3030.Which of the following best explains why someone may experience shortness of breath on top of a mountain?
Human Respiratory System Chapter Exam Instructions
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