The nurse prepares to teach a client with subarachnoid hemorrhage about the effects of nimodipine. The nurse plans to explain which information about the type and action of this medication?
a) It is a diuretic that reduces fluid in the brain.
b) It is an anticoagulant that prevents blood clot formation.
c) It is a calcium channel blocker that prevents vasospasm.
d) It is an analgesic that relieves headache pain.