A tissue which autoregulates its blood supply:
A. rarely becomes hypoxic
B. has a constant flow regardless of the perfusion pressure
C. varies the blood supply in proportion to the oxygen demands
D. lacks sympathetic innervation
查看答案
Which of the following types of shock is NOT related to low systemic vascular resistance?
A. Septic
B. Neurogenic
C. Anaphylactic
D. Cardiogenic
Shock develops in a person after being stung by a bee. Which of the following types of shock is most likely?
Anaphylactic
B. Neurogenic
Cardiogenic
D. Septic
Which of the following is the appropriate first-line treatment for shock?
A. Large amounts of fluid volume
B. Medications to increase systemic vascular resistance
C. Identify and treat underlying cause
D. Enhance cardiac output
休克时可引起心功能障碍的因素有
A. H+和K+
B. MDF
C. 细菌内毒素
D. PGI2
E. 心房肽