Question

Content Collaboration' Assessments﹀ Grades classist course tuso the uestion 7 The alveolar composition of 02 is around 100 mmHg, so what should arterial blood oxygen levels be? ● 40 mmHg 100 mmHg 20 mmHg 140 mmHg Question 8 lood moves into tissue capillaries. W The hemoglobin-oxygen saturation curve demonstrates a decreasing affinity asb Hemoglobin always releases all four oxygen molecules to tissues. O Type here to search

Answer 1

Ans 7: The choice is 100 mmHg.

In healthy people partial pressure of oxygen in systemic arterial blood is same as those in alveoli which is 100 mmHg. In healthy person there is plenty of time for equilibration between the gas in alveoli and the gas in arterial blood.