Q 01/05

What are the three broad categories of anesthesia?

A) General, sedation and regional or local

B) Light, medium and deep anesthesia

C) Oral, injected and inhaled anesthesia

D) Surgical, dental and veterinary anesthesia

Answer · why

A) General, sedation and regional or local

General, sedation and regional or local differ in how much of you is switched off. Under regional anesthesia a woman can stay awake through childbirth...

Q 02/05

What are the three basic goals or endpoints of anesthesia?

A) Sleep, dreaming and total forgetting

B) Breathing, circulation and body warmth

C) Hypnosis, analgesia and muscle relaxation

D) Sedation, paralysis and body cooling

Answer · why

C) Hypnosis, analgesia and muscle relaxation

Hypnosis, analgesia and muscle relaxation are produced by drugs acting on different parts of the nervous system, which is why an anesthetist usually c...

Q 03/05

Roughly what proportion of patients become aware during surgery under general anesthesia?

A) 1 or 2 in 100

B) 1 or 2 in 1,000

C) 1 or 2 in 100,000

D) 1 or 2 in a million

Answer · why

B) 1 or 2 in 1,000

1 or 2 in 1,000 is the usual estimate, and most of those patients feel no pain. It is likeliest in emergencies such as urgent caesareans and trauma su...

Q 04/05

About one patient in five reports having done what under general anesthesia?

A) Dreamed

B) Felt pain

C) Heard voices

D) Talked aloud

Answer · why

A) Dreamed

Dreamed, said 22% of patients in one careful study, and the dreams were mostly pleasant and nothing to do with surgery. They were no sign of too light...

Q 05/05

The potency of an inhaled anesthetic correlates with its solubility in what?

A) Alcohol

B) Oil

C) Blood plasma

D) Water

Answer · why

B) Oil

Oil: around 1900 Meyer and Overton found that the more readily an anesthetic dissolves in olive oil, the more potent it is. For decades that pointed t...