What two ions are responsible for establishing an equilibrium between the electrical and chemical gradients?
a. anions
b. potassium
c. sodium
d. calcium

Rectangle pqrs has vertices p(1, 4), q(6, 4), r(6, 1), and s(1, 1). without graphing, find the new coordinates of the vertices of the rectangle after a reflection over the x-axis and then another reflection over the y-axis.

This gentleman has worsening bilateral hydronephrosis. he did not have much of a post void residual on his bladder scan. he is taken to the operating room to have a bilateral cystoscopy and retrograde pyelogram. cpt code: icd10-cm code: icd10-cm code: icd10-cm code

Anurse is teaching a client about nitroglycerin sublingual tablets. which of the following statements by the client indicates an understanding of the teaching? a. “this medication has a slower onset than a nitroglycerin pill that is swallowed.” b. “i should take this medication as soon as pain begins.” c. “i can crush this medication for faster relief.” d. “this medication should completely dissolve within 15 minutes.”