Consider the accompanying pedigree of a rare autosomal recessive disease, PKU. Male with PKU marry with normal female whose father is PKU. What is probability of child affected with PKU?

#Question id: 11080

#SCPH28 | Zoology

The O2-CO2 diagram here shows a ventilation-perfusion ratio line for the normal lung. Which of the following best describes the effect of decreasing ventilation-perfusion ratio on the alveolar Po2 and Pco2?

#Question id: 11081

#I Life Science/ Life Sciences Group – I-V

In which of the following conditions is alveolar Po2 increased and alveolar Pco2 decreased?

#Question id: 11081

#SCPH28 | Zoology

In which of the following conditions is alveolar Po2 increased and alveolar Pco2 decreased?

#Question id: 11082

#I Life Science/ Life Sciences Group – I-V

A 67-year-old man has a solid tumor that pushes against an airway partially obstructing air flow to the distal alveoli. Which point on the ventilation-perfusion line of the O2-CO2 diagram corresponds to the alveolar gas of these distal alveoli?

#Question id: 11082

#SCPH28 | Zoology

A 67-year-old man has a solid tumor that pushes against an airway partially obstructing air flow to the distal alveoli. Which point on the ventilation-perfusion line of the O2-CO2 diagram corresponds to the alveolar gas of these distal alveoli?

#Question id: 11083

#I Life Science/ Life Sciences Group – I-V

A 55-year-old male has a pulmonary embolism that partially blocks the blood flow to his right lung. Which point on the ventilation-perfusion line of the O2-CO2 diagram corresponds to the alveolar gas of his right lung?