Medical Quiz
Circulation and Excretion Quiz

Why do premature infants suffer respiratory failture?

A. sudden changes in the oxygen from the uterine environment

B. mutations in genes regulating the formation of the lungs

C. lungs collapse due to lack of surfactants

Select your answer:
A  B  C  D  E 


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Other quiz: Nutrition

what is the process of taking food into the body?

A. digestion

B. swallowing

C. ingestion

D. chewing