The co-stimulation step is required for T cell activation, proliferation and differentiation. THis step is coordinated through which of the following molecules/receptors? A. MHC and CD28 receptors
B. MHC and T cell receptors
C. CD80 and T cell receptors
D. CD80 and CD28

Anurse is providing teaching to a client who has a gastric ulcer and a new prescription for ranitidine. which of the following statements by the client indicates an understanding of the teaching? a. “i can take two aspirin to treat headaches.” b. “i should avoid dairy products when taking this medication.” c. “i can expect fine hand tremors when taking this medication.” d. “i should not take an antacid within 1 hour of taking this medication.”