Which of the following statements is true about the bicarbonate buffer system?
a. bicarbonate ions accept hydrogen ions if conditions are too basic.
b. carbonic acid acts like a base when it releases the hydrogen ion in basic condition
c. in extremely acidic conditions, carbonic acid will act like an acid and release hydrogen ions to lower the ph.
d. bicarbonate ions act like a base in that they combine with hydrogen ions to increase the ph in extremely acidic conditions.

Anurse recently administered filgrastim intravenously to a client who has cancer and is receiving cytotoxic chemotherapy. for which of the following data, discovered after the medication was administered, should the nurse consider filling an incident report? a. the client had chemotherapy 12 hr before the medication was administered. b. the nurse flushed the client’s iv line with d5w before and after the medication was administered. c. the client’s absolute neutrophil count was 2,500/mm^3 before the medication was administered. d. the medication vial sat at the room temperature for 2 hr before it was administered.