База тестів крок-1 з патофізіології (пмк-1)

In a nonprogressive stage of shock a spasm of resistive vessels develops in zones with alpha-adrenoreceptors. This sympathetic reflex results in which of the following effects?

1. 
   Tachycardia
   
2. 
   An increase in venous return
   
3. 
   A decrease in blood flow
   
4. 
   Centralization of blood circulation
   
5. 
   A decrease in periferal resistence
   

An 18-year old man is admitted to a hospital. He is not answering questions and not reacting to pain stimuli. The patient’s BP is 50/10 mmHg. Solutions transfusion is not effective. In his blood lactic acidosis and hyperkaliemia are revealed. Circuratory shock is diagnized in the patient. Which of the following stages of shock does he have?

1. 
   Erectile
   
2. 
   Progressive
   
3. 
   Nonprogressive
   
4. 
   Irreversible
   
5. 
   Torpid