Zadanie 2c
Outline structural adaptations of lungs that support oxygen uptake.
Alveolar lung organization
Relate branching airways, surfactant, capillary networks and extensive alveolar area to gas exchange in mammals.
Tę umiejętność sprawdza 6 zadań wzorowanych na arkuszach IB z lat 2022–2026.
Zadania sprawdzające tę umiejętność: 6 Otwórz w wyszukiwarce z filtrami
Zadanie 7
An unaffected couple has a child with phenylketonuria, an autosomal recessive disorder. Use P for the functional allele and p for the recessive allele. Other parts concern respiratory defence and gas exchange. (a) Describe how the disorder can be inherited in…
Zadanie 13
Destruction of walls between neighbouring alveoli leaves larger air spaces in a lung. What direct effect impairs gas exchange? A. The total respiratory surface area is reduced B. The diffusion path through every remaining cell becomes zero C. The blood gains…
Zadanie 4c
Outline the role of pulmonary surfactant.
Zadanie 3b
Suggest one difference between the tumour and healthy lung tissue that could be observed in their micrographs.
Zadanie 28
A model dataset tracks a marker of lung surfactant during fetal development. Using the graph, what difficulty could occur in a baby born at 30 weeks rather than at full term? A. Alveolar surfaces may adhere, making inflation more difficult B. Alveoli become…
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