If a patient had nonfunctional type II alveolar cells, which of the following would likely occur? ? The cells would not produce surfactant. ? The cells would increase gas exchange across the respiratory membrane. ? The alveoli would likely collapse at the end of expiration. ? A and B ? A and C
Added by John M.
Close
Step 1
Surfactant is a lipoprotein that reduces surface tension in the alveoli, preventing them from collapsing during expiration. Show more…
Show all steps
Your feedback will help us improve your experience
Madhur L and 61 other Biology educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
In premature babies born earlier than the 30th week of pregnancy, type II pneumocytes are usually not fully developed, so they do not carry out their function normally. What is a possible consequence of this? The number of alveoli reduces. The size of the alveoli increases. Capillary networks do not develop fully and oxygen is not absorbed. Surface tension between alveoli does not decrease and the alveoli stick together.
Madhur L.
Adi S.
Recommended Textbooks
Biology for AP Courses
Objective Biology for NEET
Introduction to General, Organic and Biochemistry
Transcript
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD