9700/12 Biology Oct Nov 2021 Online Test | Cambridge AS and A Level MCQ
Cambridge
AS & A Level
Biology (9700)
بهمن
2021
مشاهده نمونه سوال
شامل مباحث:
AS Level
تعداد سوالات: 40
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
60 دقیقه
پیش نمایش صفحه اول فایل
Gama Admin In some cases where a person has lung disease, the partial pressure of oxygen in the pulmonary veins is less than the partial pressure of oxygen in the alveoli.
What could explain the difference in partial pressure of oxygen?
1 A high proportion of alveoli are collapsed and do not have enough alveolar capillaries.
2 The partial pressure of oxygen in the pulmonary arteries is lower than in the alveolar air.
3 The rate…
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