Intro to anaesthesia for vet nursing

Question 1

General Anaesthesia

Answer 1

state of unconsciousness produced by a process of controlled and reversible depression of the CNS whereby the patient does not perceive noxious stimuli

Question 2

Local Anaesthesia

Answer 2

Insensibility caused by interrupting the sensory nerve conduction of any region of the body

Question 3

Sedation

Answer 3

The allaying of irritability or excitement or the state so induced

Question 4

Anxiolysis

Answer 4

A state of reduced anxiety

Question 5

Analgesia

Answer 5

reduced sensibility to pain

Question 6

Narcosis

Answer 6

A sleep like state

Question 7

Hypnosis

Answer 7

An artificially induced state of passivity

Question 8

Aim of anaesthesia

Answer 8

Prevent awareness & response to pain
Immobility & relaxation
Good operating conditions
Minimal morbidity & mortality

Question 9

Anaesthetic triad

Answer 9

Narcosis
Muscle relaxation
Analgesia

Question 10

Flow of anaesthesia

Answer 10

Pre-op assessment
Pre-med
Induction
Maintenance
Recovery

Question 11

ASA 1

Answer 11

Normal healthy patient

Question 12

ASA 2

Answer 12

Patient with mild systemic disease that does not limit activities

Question 13

ASA 3

Answer 13

Moderate to severe systemic disease that limits activities but is not a constant threat to life

Question 14

ASA 4

Answer 14

Severe systemic disease that is a constant threat to life

Question 15

ASA 5

Answer 15

Moribund patient, not expected to live 24h without surgery

Question 16

3 types of GA

Answer 16

Inhalation
Injectable
TIVA

Question 17

5 types of local anaesthetic

Answer 17

Topical
Infiltration
Regional or nerve block
Neuraxial
IV regional

Question 18

What is tidal volume

Answer 18

Volume of air in one inspiration or expiration

Question 19

What is minute volume

Answer 19

Total amount of air that moves in (or out) of the respiratory system in 1m

Question 20

What is dead space

Answer 20

Area of the respiratory system where air does not participate in gas exchange

Question 21

What are anatomical dead spaces

Answer 21

Anatomical parts of the respiratory system that don’t participate in gas exchange

Question 22

What is a physiological dead space

Answer 22

Alveoli not involved in gas exchange

Question 23

Effects of anaesthesia on ventilation

Answer 23

Reduced ventilation
Airway obstruction
Cooling