pre-op assessment

Question 1

MAC

Answer 1

minimum alveolar concentration. stands for the alveolar partial pressures of a gas in which 50% of humans do not respond to a surgical stimulus.

Question 2

when do you want a full mac?

Answer 2

prior to incision

Question 3

who has the highest MAC requirement

Answer 3

infants

Question 4

as people get older, mac values

Answer 4

decreases

Question 5

the more oil/lipid soluble an inhaled anesthetic is,

Answer 5

the more potent it is. Meyer Overton rule

Question 6

MAC value for isoflurane

Answer 6

1.2

Question 7

MAC for sevo

Answer 7

2.0

Question 8

MAC for des

Answer 8

6.6

Question 9

normal Hct

Answer 9

25-30% is tolerated, 25-40 is normal.

Question 10

normal hgb

Answer 10

7 is acceptable

Question 11

multiply hgb by ___ to get your hct

Answer 11

3

Question 12

Mac for nitrous

Answer 12

104.. but really 100. cant get to a full mac of nitrous

Question 13

which gas is the most potent

Answer 13

iso, then sevo, then des, then nitrous

Question 14

MP class 1

Answer 14

soft palate, tonsillar fauces, tonsillar pillars, and uvula

Question 15

MP class 2

Answer 15

soft palate, tonsillar fauces, and uvula

Question 16

MP class 3

Answer 16

soft palate and base of uvula

Question 17

MP class 4

Answer 17

soft palate not visualized. hard palate only

Question 18

what is the cormack view

Answer 18

the view of the chords you actually see on laryngoscopy

Question 19

cormack grade 1

Answer 19

full view of vocal cords, glotties

Question 20

cormack grade 2

Answer 20

partial view of epiglottis, vocal cords, arytenoid, and corniculate cartilages

Question 21

cormack grade 3

Answer 21

only epiglottis.. (very partial cartilages?)

Question 22

cormack grade 4

Answer 22

only soft palate

Question 23

voluntary protrusion of mandible means

Answer 23

make an underbite

Question 24

if patient cannot bring their mandibular incisions anterior to their maxillary incisors

Answer 24

they cant make an underbite and have poor jaw mobility

Question 25

what does interincisor distance mean

Answer 25

difference between top and bottom teeth when they open their mouth

Question 26

interincisor distance should be

Answer 26

at least 2 fingers (4cm)

Question 27

shape of palate is a problem if it's

Answer 27

highly arched or very narrow

Question 28

thyromental distance definition

Answer 28

distance from tip of chin to tip of thyroid cartilage

Question 29

thyromental distance should be

Answer 29

3 fingers. or 7cm. 6 or less ins problematic

Question 30

three axis theory.. what are they

Answer 30

pharyngeal, laryngeal, mouth

Question 31

minimum required incisor gap is

Answer 31

4cm, 2fingers

Question 32

length of surgery greater risk

Answer 32

>2-3h

Question 33

high risk on STOPBANG is a score

Answer 33

>3

Question 34

hypertension numbers

Answer 34

sys>140 or dias >90

Question 35

antisialoguge

Answer 35

reduces secretios

Question 36

stopbang.. B

Answer 36

BMI >35 is a risk

Question 37

stopbang... age

Answer 37

>50 is a risk

Question 38

stopbang N

Answer 38

circumference >40 is a risk

Question 39

condition with the greatest risk of non cardiac surgery MI

Answer 39

aortic stenosis

Question 40

fasting guidelines. no clears for

Answer 40

2h

Question 41

no light meal for

Answer 41

6h

Question 42

mendelson syndrome

Answer 42

chemical pneumonitis d/t aspiration

Question 43

what do BB do for hyperthyroid patients

Answer 43

reduce peripheral conversion of T4 to T3

Question 44

atypical pseudocholinesterase

Answer 44

need post op vent support until succs metabolizes

Question 45

failure to obtain consent is

Answer 45

breach of duty

Question 46

the act of performing a procedure without proper consent is

Answer 46

battery

Question 47

what is sodium bicitrate used for

Answer 47

increase gastric fluid ph. decrease risk of aspiration

Question 48

versed dose IV and IM

Answer 48

1-5mg IV, 2.5-5mg IM

Question 49

versed onset

Answer 49

30-60s IV, 15-30min PO

Question 50

versed peak

Answer 50

3-5min IV

Question 51

versed duration

Answer 51

15-80min