EMCQ practice 4

Question 1

Plasma compatibility

Answer 1

Must have own letter in it + any others
Except O - can receive anything

Question 2

Normal venous sats

Answer 2

65-70

Question 3

Umbilical artery and vein sats

Answer 3

Vein 80%
Artery 60%

Question 4

Maximum voluntary ventilation

Answer 4

125-170L/m

Question 5

Tacrolimus toxicity

Answer 5

Nephrotoxicity
Neurotoxicity
Hyperglycaemia
Hyperkalaemia
Hypertension

Question 6

Penicillin binding sites

Answer 6

on cell surface
targeted by penicillin, carapenems, cephalosporins
Not vancomycin (glycopeptide)

Question 7

Troponin I

Answer 7

inhibits interaction actin and myosin

Question 8

Types of C fibre

Answer 8

post ganglionic sympathetic
dorsal root pain and temp

Question 9

Nernst equation

Answer 9

Magnitude of equilibrium potential

Question 10

Ampicillin

Answer 10

Extended activity against gram -ve
susceptible to betalactamases

Question 11

Dicloxacillin

Answer 11

actin against penicillamase producing bugs e.g. staph aureus

Question 12

Latent pacemakers

Answer 12

Present in atrial and vent muscle - only fired when injured

Question 13

Law assoc fibrotic lung disease

Answer 13

Ficks - decreased diffusion capacity and gas exchange

Question 14

Cerebral amyloid angiopathy

Answer 14

small medium vessels amyloid deposit
spontaneous lobar haemorrhage
SAH
microbleeds
assoc alzheimers

Question 15

Hydrocephalus ex vacuo

Answer 15

because rest of brain shrinks e.g. stroke

Question 16

Pain fibres from heart

Answer 16

Thoracic splanchnic

Question 17

Action TXA2

Answer 17

plt aggregation

Question 18

Midazolam PK

Answer 18

F0.44
T1/2 2-4
95% PB
56% urine excretion

Question 19

Cricothyroid innervation

Answer 19

External laryngeal

Question 20

Arm extension

Answer 20

deltoid
lat dorsi
teres major

Question 21

Cancer assoc h pyloris

Answer 21

gastric carcinoma

Question 22

Inflammatory cell accumulation in atypical pneumonia

Answer 22

interstitial space and alveolar walls