Which area allows the atria to completely empty as the ventricles fill with blood?
A: A-V node
B: A-V bundle
C: S-A node
D: Purkinje fibers
A: A-V node
B: A-V bundle
C: S-A node
D: Purkinje fibers
举一反三
- Which of the following statement is not true? A: the sinoatrial node sets the rhythm for heart beat B: the signal from the sinoatrial node can be directly transported to Bundle of His C: the signal from the A-V node is passed to bundle of His D: the distal end of the bundle of His is called purkinje fiibers
- 微循环的营养通路是： A: 微A→A-V吻合支→真毛细血管→微V B: 微A→A-V吻合支→微V C: 微A→后微A→直通毛细血管→微V D: 微A→后微A→真毛细血管→微V E: 微A→后微A→直通毛细血管→真毛细血管→微V
- Which organ is the main organ to filtrate blood? A: Liver B: Lymph node C: Spleen D: Thymus E: Tonsil
- 查看npm的版本号，使用的命令是（） A: node -v B: npm -v C: npm install D: npm start
- Which of the following is wrong about the cardiac cycle? A: the diastolic period is longer than the systolic period B: The atria and ventricles contract at the same time C: The atria and ventricles can relax at the same time D: The length of cardiac cycle is related to heart rate