单项选择题 主要位于血小板膜表面，是抗血小板药物氯吡格雷作用的靶点的受体是（ ）A. P2Y21受体 B. 组胺受体 C. AT1受体 D. β1-AR E. 5-HT受体

单项选择题 The author provides us with some information of the different spoken languages and body language in France, Italy, Spain, the UK, and China.( ) A. 对 B. 错

单项选择题 A 19-year-old girl presents to the emergency department after a vehicle accident. The patient reports left shoulder pain that worsens with deep inspiration. Her blood pressure is 75/55 mmHg, pulse is 120/min, and respiratory rate is 24/min. On physical exam, there is abdominal guarding, abdominal tenderness in the left upper quadrant, and rebound tenderness. The patient’s mucous membranes are dry and skin turgor is reduced. Which of the following most likely represents the acute changes in renal plasma flow () and glomerular filtration rate () in this patient? ()