#Question id: 11075
#SCPH28 | Zoology
A 65-year-old man with emphysema due to 34 years of cigarette smoking is admitted to hospital due to dyspnea. With further tests the mean pulmonary arterial pressure is determined to be 45 mm Hg at rest. He is hypoxic (PO2 = 49 mm Hg), hypercapnic (85 mm Hg), and slightly acidotic. The cardiovascular and oxygen changes are due to which of the following?
#Question id: 11076
#I Life Science/ Life Sciences Group – I-V
Which of the following will decrease pulmonary blood flow resistance?
#Question id: 11076
#SCPH28 | Zoology
Which of the following will decrease pulmonary blood flow resistance?
#Question id: 11077
#I Life Science/ Life Sciences Group – I-V
A person’s normal tidal volume is 400 ml with a dead space of 100 ml. The respiratory rate is 12 breaths/min. The person is placed on ventilator for surgery and the tidal volume is 700 with a rate of 12. What is the approximate alveolar Pco2 for this person?
#Question id: 11077
#SCPH28 | Zoology
A person’s normal tidal volume is 400 ml with a dead space of 100 ml. The respiratory rate is 12 breaths/min. The person is placed on ventilator for surgery and the tidal volume is 700 with a rate of 12. What is the approximate alveolar Pco2 for this person?
#Question id: 11078
#I Life Science/ Life Sciences Group – I-V
A child has been eating round candies approximately 1
and 1.5 cm in diameter and inhaled one down his airway blocking his left
bronchiole. Which of the following will describe the changes that occur?
