Which of the following risk factors is most clearly implicated in the development of atherosclerosis and major risk factor? () A: high serum levels of high density lipoprotein (HDL) B: obesity C: sedentary lifestyle D: high total serum cholesterol levels E: Chlamydia pneumonia infection

‏During the early emergent phase of burn injury, the patient's laboratory results would most likely include ‏‏‏‏‏‏‏‏‏ A: a. ↑ Hct, ↓ serum albumin, ↓ serum Na, ↑ serum K. B: b. ↓ Hct, ↓ serum albumin, ↓ serum Na, ↓ serum K. C: c.↓ Hct, ↑ serum albumin, ↑ serum Na, ↑ serum K. D: d.↑ Hct, ↑ serum albumin, ↓ serum Na, ↓ serum K.

MEK合成与精制单元MEK干燥塔的作用是（） A: 将粗MEK提纯 B: 分离MEK和SBA C: 脱出轻组分和水 D: 脱出水

Which of the following signaling molecules could be directly activated by Ca ion binding? A: cAMP B: Calmodulin C: Protein kinase A D: Protein kinase B E: Protein kinase G

Monetary _____ is the most important factor in encouraging citizens’ blood donation in many countries. </p></p>