肾门的体表投影为():
A. 为第1腰椎棘突下缘外侧3C.m处
B. 为第1腰椎棘突下缘外侧5C.m处
C. 为第2腰椎棘突下缘外侧3C.m处
D. 为第2腰椎棘突下缘外侧5C.m处
E. 为第2腰椎棘突下缘外侧6C.m处
A guide should offer the tourist his own medicine for the first aid when the tourist suffers a heart attack.
A. 对
B. 错
A guide should use his fingers, palm or fist to press the blood vessel on the wound in order to stop the bleeding.
A. 对
B. 错
A tourist may have suffered from the sunstroke if he has excessive sweating, feel thirsty, dizzy and ringing in the ears.
A. 对
B. 错