1.  In the proximal tubule under normal conditions,50% of glucose is reabsorbed back into the peritubularcapillaries.
a.  true
b.  false
2.  The transport maximum (Tmax) is the upper limit ofreabsorption of glucose and amino acids due to the saturation ofcarrier systems that return these substances back to theblood.
a.  true
b.  false
3.  Which of the following is an effect of aldosterone?MIGHT BE C***
a.  excretion of sodium ions
b.  conservation of potassium ions
c.  conservation of sodium ions
d.  all are correct
4.  Some hydrogen ions secreted into the collecting ductare buffered. These buffers are
a.  bicarbonate buffers
b.  ammonia (NH3)
c.  phosphate buffers
d.  all of the above
5.  The glomerular filtration rate average in an adultmale is 125 ml/min. (Might be F)
a.  true
b.  false
