MSCA Mock questions

Question 1

Which nerve would cause the tongue to deviate to the right when protruded?

Answer 1

Right hypoglossal nerve

Question 2

First Tx of Grave’s Disease?

Answer 2

Propanolol

Question 3

Name a medication that should be stopped before a CT scan?

Answer 3

Metformin

Question 4

How to calculate serum osmolality?

Answer 4

2xNa + urea + glucose

Question 5

Rolled pearly edges

Answer 5

Basal Cell Carcinoma

Question 6

Effect of Furosemide on K+

Answer 6

Hypokalaemia

Question 7

Outline AAA screening programme

Answer 7

< 3 cm Normal No further action

3 - 4.4 cm Small aneurysm Rescan every 12 months

4.5 - 5.4 cm Medium aneurysm Rescan every 3 months

≥ 5.5cm Large aneurysm Refer within 2 weeks to vascular surgery for probable intervention
(or >1cm increase in year)

Question 8

Which investigation is most likely to confirm the diagnosis when:
Painless haematuria and urinalysis performed after this episode shows blood 2+, no protein and no nitrites

Answer 8

Flexible cystoscopy

Question 9

What would cause
Testosterone 1.8 nmol/L (9.9–27.8)
LH 1.2 U/L (1–8)
FSH 1.0 U/L (1–12)

Answer 9

Pituitary Adenoma

Question 10

Most likely causative organism of Impetigo

Answer 10

Staph Aureus

Question 11

Mx of asymptomatic UTI in catheterised patient

Answer 11

Nothing

Question 12

Gram positive cocci in pairs?

Answer 12

Strep pneumoniae

Question 13

Gram positive cocci in clusters?

Answer 13

Staph Aureus

Question 14

Ix of Acute cholecystitis

Answer 14

US abdo

Question 15

Pain on shoulder abduction between 80° and 120°. Shoulder movements are otherwise normal. There is no joint effusion. X-ray of shoulder is normal.

Answer 15

Subacromial bursitis

Question 15

Mx of tremor and rigidity in Parkinson’s?

Answer 15

Procyclidine hydrochloride

Question 16

Investigation is most likely to identify the cause as being Tumour Lysis Syndrome

Answer 16

Urate

Question 17

At what level of change in creatinine would you consider changing ACEi therapy you have just commenced

Answer 17

> 30% increase

Question 18

In which IBD are eye symptoms more common

Answer 18

Ulcerative Colitis

Question 19

MR scan of brain: pituitary adenoma indenting the upper optic chiasm

Which is the most likely visual field defect?

Answer 19

Bitemporal hemianopia

Question 20

Most likely cause of a fever in the early postoperative period, in combination with reduced oxygen saturation

Answer 20

Atelectasis

Question 21

TX of asystole

Answer 21

IV adrenaline

Question 21

Long term prophylaxis for all patients with mechanical valves

Answer 21

Warfarin and Aspirin

Question 22

Tx of prolactinoma

Answer 22

Cabergoline

Question 23

Most common pathogen in leg cellulitis

Answer 23

Strep Pyogenes

Question 24

Patient is on gliclazide and metformin and scheduled for minor surgery. What do you do?

Answer 24

Omit gliclazide and continue metformin

Question 25

Tx of acute gout with CKD stage 4

Answer 25

Oral steroids (NSAIDs contraindicated)

Question 25

In which part of the brain are changes most likely to be found in early Alzheimer’s
disease

Answer 25

Temporal lobe