Welcome to _pusheen_'s page.
Contributor score: 0

 +0  (nbme21#7)

Alternatively, all the other options pointed to things that would actually increase testosterone production and its effects; orchiectomy would obviously not do that.

 +0  (nbme21#8)

I think this one is literally just asking what part of the kidney will be the most poorly perfused. That part would have the most renin. Also, the medulla doesn’t have JG cells so I guess that’s another reason why it couldn’t have the most renin.