crista
Forum Guru
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Mutation in cystic fibrosis transmembrane conductance regulator (CTFR) protein alter which of the following ion transport mechanism?
a. Ca++-activated Cl- secretion
b. Ca++-activated Cl- uptake
c. cAMP-stimulated Na+ secretion
d. cAMP-stimulated Na+ uptake
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| bobby
Forum Guru
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a :roll:
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| usmleasr
Forum Guru
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yes i agree with bobby.....it is secretion of cl- that is imapired
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| anne
Forum Elite
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isnt it Cl- uptake thats defective,bec the secretions have increased Cl- levels.
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| asmi
Forum Hero
Topics: 1043
Posts: 4,609
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agree with A
also they say abnormal expression of chloride channel as well as misregulation of sodium channel ..
Good Q crista :idea:
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