Cystic fibrosis Test your knowledge on cystic fibrosis. 3.0 / 5 based on 5 ratings ? BiologyHealth, illness and diseaseASEdexcel Created by: Niki :)Created on: 05-05-12 10:30 How does cystic fibrosis affect the digestive system? Thick, sticky mucus clogs up the villi and reduces the rate of absorption. 1 of 5 The most common mutation of the CF gene is... DF508 2 of 5 The gene that codes for the CFTR protein is found on chromosome... 7 3 of 5 Men with cystic fibrosis are often infertile. Sperm cannot get from the testis into the semen due to a lack of the vas deferens 4 of 5 When the CFTR protein malfunctions, which two ions remain in the sweat, making it very salty? Sodium and chloride 5 of 5
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