Basic Exam

Question 1

drugs to avoid in porphyria

Answer 1

etomidate, phenytoin, ergots, sulfa, barbituates

Question 2

presentation of propofol infusion syndrome

Answer 2

hyperkalemia, arrhythmias, metabolic acidosis, hepatomegaly

Question 3

egg allergy and propofol

Answer 3

most people allergic to egg white. Propofol made with egg yolk proteins. Clinically..do not give to pts with anaphylactic egg allergies

Question 4

tx of etomidate associated myoclonus

Answer 4

opoids or benzos

Question 5

etomidate inhibits which adrenal enzyme

Answer 5

11Beta-hydroxylase

Question 6

sedative that causes increased seizure duration

Answer 6

etomidate

Question 7

why does 1-chloroprocaine have quick onset?

Answer 7

given in high concentration. Has high pkA (9) so you would expect it to have slow onset

Question 8

local anesthetics site of systemic absorption (most absorption to least absorption)

Answer 8

Bicepss “ Blood, intercostal, caudal, epidural, plexus (brachial), sciatic, subcutaneous”

Question 9

total % of brain oxygen consumption

Answer 9

20%

Question 10

normal ICP

Answer 10

5-15 mmHg

Question 11

normal cerebral blood flow

Answer 11

50ml/100g/min

Question 12

CPP (cerebral perfusion) equation

Answer 12

CPP=MAP- (ICP or CVP which ever is higher)

Question 13

cerebral blood flow changes ___% for every 1 degree change in temperature

Answer 13

5-7%

Question 14

cerebral blood flow changes ___ for every 1mmHg change in PaCO2

Answer 14

2%

Question 15

anesthetics that increase amplitude in sensory evoked potentials

Answer 15

1. ketamine

2. etomidate

Question 16

accessory muscles of inspiration

Answer 16

intercostals, cervical strap muscles

Question 17

how soon after burns/crush injury can hyperkalemia occur with succ?

Answer 17

24 hours

Question 18

conus medullarus in adults ends at ____

dural sac in adults ends at_____

Answer 18

S1-S2, L1/2

infants- S3, L3

Question 19

Bohr effect

Answer 19

bOhr—oxygen offloading. Hgb releases O2 in areas of high CO2

Question 20

nerve that innervates cricothyroid muscle

Answer 20

external branch of superior laryngeal (adducts vocal cords)

Question 21

nerve that innervates all intrinsic muscle of larynx except cricothyroid

Answer 21

recurrent laryngeal

Question 22

chronic phenytoin use _____ duration of non-depolarizing blocker

Answer 22

decreases

Question 23

only acetycholinesterase inhibitor that crosses BBB

Answer 23

physostigmine (tertiary amine)

Question 24

order of rebreathing in mapleston circuits in spontaneous ventilation (most to least)

Answer 24

A >D > C > B “All dogs can breath” (spontaneously)

spontAneous (A Most effecient)

Question 25

P450 that metabolizes tramadol, codeine, beta blockers

Answer 25

2D6

Question 26

Sodium amount in IVF

Answer 26

LR-130
plasmalyte-140
NS: 154

Question 27

SA node innervated by (right or left) vagus nerve

Answer 27

right

Question 28

AV node innervated by (right or left ) vagus nerves

Answer 28

left

Question 29

carotid body baro receptors send signals via ____ nerve

Answer 29

glossopharyngeal CN 9

Question 30

artery of adamkiewicz originates from which levels of aorta?

Answer 30

T9-T12

Question 31

ester local anesthetics broken down by

Answer 31

plasma cholinesterases