What Effect Would a Decrease in the Na+ Concentration of Filtrate

question 84

Multiple Choice

What effect would a decrease in the Na+ concentration of filtrate have on the pH of tubular fluid?

• A)pH would increase because more hydrogen ions could be secreted by countertransport.
• B)pH would decrease because more hydrogen ions could be secreted by countertransport.
• C)pH would increase because fewer hydrogen ions could be secreted by countertransport.
• D)pH would decrease because fewer hydrogen ions could be secreted by countertransport.
• E)pH would not be affected because hydrogen ions are countertransported with K+ not Na+.

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