1) In marine fishes the excretion of solutes in the gills is accomplished by what type of cells? A) sodium cells B) messangial cells C) PCT cells D) pavement cells E) chloride cells
Please help me answer these questions, for each one more than one answer may be correct:
1) In marine fishes the excretion of solutes in the gills is accomplished by what type of cells?
A)
sodium cells
B)
messangial cells
C)
PCT cells
D)
pavement cells
E)
chloride cells
2) The peripheral chemoreceptors associated with ventilation
A)
drive down respiration rate as [H+] increases
B)
are not associated with [CO2]
C)
are located in the alveoli of the lungs
D)
are located in the aortic and carotid bodies
E)
drive up respiration rate as [O2] decreases
3) Imagine you are designing a new diuretic (a drug that increases urine production). You are going to do this by blocking sodium reabsorption. In which section of the nephron would it be most effective to block sodium reabsorption if you want to produce more urine?
A)
the ascending loop of Henle
B)
The proximal convoluted tubule
C)
the collecting duct
D)
the distal convoluted tubule
E)
the descending loop of Henle
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