EMCQ practice 2

Question 1

GI transit time

Answer 1

70% out in 72h, everything total 1 week

Question 2

Enzyme for conversion T4 to T3 peripherally

Answer 2

D1 thyroid deiodinase

Question 3

Pregnancy test positive

Answer 3

6/7 blood
14/7 urine

Question 4

Location of ipsilateral motor fibres cord

Answer 4

anterolateral

Question 5

Things causing bronchoconstriction

Answer 5

Expiration
Cool air
Exercise

Question 6

HR at which ventricular filling impaired

Answer 6

180

Question 7

Size a alpha and a delta fibres

Answer 7

alpha 12-20
delta 2-5

Question 8

St Johns wort mechanism

Answer 8

inhibit reuptake amine transmitters

Question 9

Opiate resistant to naloxone

Answer 9

buprenorphine

Question 10

Type of anaemia with allopurinol

Answer 10

aplastic
can also cause necrotising vasculitis

Question 11

Glucagon on GI tract

Answer 11

relaxes (not a prokinetic)

Question 12

Diazepam tolerance

Answer 12

to most things except anxiolysis

Question 13

Phosphoinositide signalling

Answer 13

DAG
IP3
Calcium
Calmodulin

Question 14

Staining for amoebiasis

Answer 14

Periodic acid schiff

Question 15

Giemsa stain

Answer 15

histoplasma, malaria, campylobacter and chlamydia

Question 16

India ink stain

Answer 16

cryptococcus

Question 17

Abciximab

Answer 17

binds GPIIbIIa

Question 18

west nile virus

Answer 18

1/150 brain issues

Question 19

Nephron same osmolality in and out

Answer 19

thin descending LOH

Question 20

Cerebral amyloid angiopathy assoc with

Answer 20

lobar haemorrhages and microbleeds

Question 21

Cavernous malformation

Answer 21

Cerebellum, pons and subcortical regions
low flow channels blood, no shunting

Question 22

Duret haemorrages

Answer 22

mid brain and pons haemorrhages secondary to transtentorial herniation

Question 23

Bain area with dual supply PCA and MCA

Answer 23

occipital lobe

Question 24

Superior fibres of optic radiatin go through

Answer 24

parietal lobe

Question 25

Second most common location appendix

Answer 25

pelvic

Question 26

Bifurcation traches/ transverse thoracic plane level

Answer 26

T4/5

Question 27

Thickest skin on scalp

Answer 27

occipital

Question 28

T1DM hypersensitivity type

Answer 28

IV

Question 29

Muscles passive expiration

Answer 29

Inspiratory muscles initially

Question 30

Intrinsic asthma

Answer 30

non immune mechanisms

Question 31

First change post fracture

Answer 31

capillary proliferation

Question 32

Risk hep C from needle stick

Answer 32

2-10%

Question 33

Drugs with decreased oral bioavailability neonates

Answer 33

Paracetamol, phenytoin, phenobarbital

Question 34

Beta blocker induced depression

Answer 34

with lipophilic, use atenolol or nadolol instead

Question 34

Increased oral absorption neonates

Answer 34

ampicillin, penicillin

Question 35

Cells of chronic inflamation

Answer 35

lymphocytes