Anaesthesiology

Question 1

Difficult intubation BONES

Answer 1

beard, obesity, no teeth, elderly, sleep apnea

Question 2

Mallampati

Answer 2

full view uvula
body and base uvula
base uvula
hard palate only

Question 3

ASA class

Answer 3

1 = healthy
2 = controlled systemic illness
3 = disable activity illness
4 = incapacitating illness threat to life
5 = death in 24 hr without surgery

Question 4

Advantage of ETT 5P’s

Answer 4

patent, protect (aspiration), positive pressure, pulmonary toilet, pharmacological admin

Question 5

Spinal insertion route encounters layers

Answer 5

skin, subcu fat, spuraspinous lig, interspinous lig, ligamentum flavum, dura, arachnoid

Question 6

Fluid loss a day

Answer 6

200 ml GI
800 ml insensible
1500 ml urine

Question 7

Maintenance fluid

Answer 7

4:2:1, Na > 3 mEq/kg/day; K > 1 mEq/kg/day

Question 8

Na K Ca Cl HCO3 in Ringer’s lactate

Answer 8

130 4 3 109 28

Question 9

Na in NS

Answer 9

154

Question 10

Lidocaine toxicity presentation

Answer 10

Tongue numb
Lighthead
Sensory abnormal
Muscle twitch
Unconscious
Convulsion
Cardioresp arrest

Question 11

Tx Malignant hyperthermia

Answer 11

O2
Dantrolene
Bicarb
Cool

Question 12

Propofol

Answer 12

Hypnotic iv induction

Contra = egg/soy allergy, hypotension

Question 13

Thiopental

Answer 13

Hypnotic iv induction

Contra = hypotension, liver disease, heart failure

Question 14

Ketamine

Answer 14

Hypnotic iv induction

use in trauma, hypovolemia

Question 15

Volatile inhalation agents in increasing MAC

Answer 15

Halothane, isoflurane, sevoflurane, desflurane, N2O

Question 16

Duration of succinylcholine

Answer 16

30s onset, 10 min duration; clear by plasma cholinesterase

Question 17

Rocuronium duration

Answer 17

1.5 min onset, 45 min duration, liver clear, also renal

Question 18

Reversal agents for non-depolarizing relaxants

Answer 18

Edrophonium, neostigmine, pyridostigmine

given with atropine or glycopyrrolate

Question 19

Codeine

Answer 19

Tylenol 1, 2, 3

10:1 morphine

Question 20

Oxycodone

Answer 20

Oxycontin

1.5:1 morphine

Question 21

Hydromorphone

Answer 21

Dilaudid

1:5 morphine

Question 22

Meperidine

Answer 22

Demerol

10:1 morphine

Question 23

Fentanyl

Answer 23

Sublimaze
iv only
1:100 morphine

Question 24

Levorphanol

Answer 24

Levodromoran

1:5 morphine

Question 25

Midazolam

Answer 25

Versed

conscious sedation

Question 26

Chlorprocaine

Answer 26

Max 11, 14epi, 30 min duration

Question 27

Lidocaine

Answer 27

Max 5, 7epi, 2 hr duration

Question 28

Bupivicaine

Answer 28

Max 2.5, 3epi, 8 hr duration

Question 29

Ropivacaine

Answer 29

Max 2.5, 3epi, 8 hr duration