LEC10/14 Stages of General Anesthesia

Question 1

What is stage one?

Answer 1

primary analgesia and disorientation

Question 2

what will you see in stage one? 2

Answer 2

sensory cortex depression and amnesia

Question 3

What is stage 2? 3

Answer 3

Loss of consciousness; delirium and lack inhibition

Question 4

What will you see in stage two? 2

Answer 4

Excitatory stage, motor cortex depression

Question 5

what is the excitatory stage?

Answer 5

involuntary muscle movement and reflex struggling will occur

Question 6

when can you tell that sttage two is over?

Answer 6

animal will stop moving

Question 7

how can you avoid stage two during recovery?

Answer 7

sedatives

Question 8

what is stage three?

Answer 8

sx anesthesia

Question 9

what will you see in stage three? 3

Answer 9

UNCONCIOUSNESS, PROGRESSIVE DEPRESSION OF RESPIRATION, circulation, refleces, and muscle tone, and spinal cord depression

Question 10

what are the four planes of stage three anesthesia?

Answer 10

plane one: light sx anesthesia
plane two: moderate sx anesthesia
plane three: deep anesthesia
plane four: very deep anesthesia

Question 11

what drugs penetrate the CNS best?

Answer 11

lipophilic drugs

Question 12

What is stage four?

Answer 12

toxic or postmortem

Question 13

what will you see with stage four?

Answer 13

cessation of respiration followed by cardiac arrest