Anaesthetics Formative

Question 1

true or false: when interpreting PaO2 the inspired oxygen isn’t important

Answer 1

false

PaO2 must always be interpreted against inspired oxygen.

Question 2

what is the minimum normally accepted urine output

Answer 2

0.5ml/kg/hour

Question 3

what tests help diagnose dehydration

Answer 3

urea

creatinine

Question 4

what is the normal daily potassium requirement

Answer 4

1-2 mmol/kg

Question 5

what is the normal daily sodium requirement

Answer 5

1-2mmol/kg

Question 6

that are the normal daily water requirements

Answer 6

25-30ml/kg

2-2.5l a day for a 70kg man

Question 7

how to give nalaxone to someone with resp depression after opioids

Answer 7

40 microgram increments titrated to effect and reassess patient

Question 8

how long should warfarin be withheld for before surgery

Answer 8

5 days

Question 9

what outcomes are associated with poor blood glucose control peri-operatively

Answer 9

increased risk of infection
increased cardiovascular complications
Irreversible brain damage

Question 10

how do you measure the size of an oropharyngeal airway

Answer 10

from the angle of the mandible to the incisors

Question 11

what is the normal PaO2

Answer 11

(arterial partial pressure of oxygen)

norm 9.3-13.3

Question 12

how do you calculate mean arterial blood pressure

Answer 12

cardiac output x systemic vascular resistance

Question 13

how to calculate cardiac output

Answer 13

HR x Stroke volume

Question 14

which gauge of cannula gives the most rapid IV infusion rate

Answer 14

14G (orange)

smallest is 22G blue

Question 15

where does the needle go for a pleural aspiration

Answer 15

second intercostal space mid clavicular line

Question 16

what is the correct route and dose of adrenaline administration in cardiac arrest

Answer 16

1mg IV

Question 17

what is the correct route and dose of adrenaline in anaphylaxis

Answer 17

0.5mg IM

Question 18

what drug reverses the effects of benzodiazepines

Answer 18

flumazenil

Question 19

how should you manage a person with a GCS less than 8

Answer 19

urgently assess for intubation and ventilation

Question 20

true/false the epidural space and the extradural space are the same thing

Answer 20

true

Question 21

what does the epidural space contain

Answer 21

adipose tissue
venous plexus
spinal nerve roots

Question 22

what are the adverse effects of an epidural block

Answer 22

hypotension
partial block
post dural puncture headache
nausea

Question 23

adverse effect of opioids used in the epidural space

Answer 23

itch