病人處於代謝性酸中毒，護理師預期會發現什麼？

代謝性酸中毒的定義為 pH 值小於 7.35 且 HCO3- 降低（<22 mEq/L）。選項 B 符合代謝性酸中毒的生化指標。選項 A 為鹼中毒，選項 D 為呼吸性酸中毒，選項 C 與酸中毒的代償性深快呼吸不符。

Smoking cessation is the most critical behavior modification for primary prevention of coronary artery disease because smoking causes endothelial damage, promotes platelet aggregation, and significantly increases atherosclerosis risk. While diet and medication play roles, quitting tobacco offers the most substantial reduction in overall cardiovascular risk among modifiable lifestyle factors.