Sunday, April 18, 2010

MRCP Mock Exam (2)

MRCP Mock Exam (2)

More questions......

Question 1:

A 45-year-old man presented with diplopia, dysarthria and difficulty with swallowing. Over the next few days he developed weakness of the upper and lower limbs. On day 4 he was unable to walk unaided. He denied any sensory symptoms or bladder disturbances. His previous medical history is unremarkable. He is a non-smoker, does not drink alcohol excessively. He does not take any drugs .

On examination he was apyrexial. His general medical examination was normal. His higher mental function was unremarkable. There were no signs of meningism. Cranial nerve examination showed bilateral dilated and fixed pupils. He had binocular diplopia but
no obvious ophthalmoplegia. He was dysarthric with weak cough. His vital capacity was 3.15 standing and 2.00 lying flat. He had lower motor neuron tetraparesis of power 3/5. He was hyporeflexic with normal sensation. He was unable to walk unaided.

Blood tests including FBC, U+Es, LFTs, TFTs, Ca, Autoantibody screen, ESR,
CRP were normal. ECG and CXR were unremarkable. CT brain was normal. Nerve conduction studies and EMG were normal.

What is the most likely diagnosis?
1 ) Guillain Barre Syndrome
2 ) Lyme disease
3 ) Myasthenia gravis
4 ) Botulism
5 ) Vasculitis

Question 2:

A 75 year-old woman presents with a two month history of episodic loss of vision in her right eye. Her ECG was normal and carotid ultrasound reveal a 50% stenosis of the right internal carotid artery What is the most appropriate treatment for this patient?

1 ) Aspirin
2 ) Carotid endarterectomy
3 ) Dipyridamole
4 ) Prednisolone
5 ) Warfarin

Question 3:

A 70 year old woman presented with a history of pancreatitis and persistent diarrhoea. She also gave a history of osteoporosis and had had a deep vein thrombosis. Which one of the following drugs will become less effective after she starts taking Cholestyramine to relieve intolerable itching?

1 ) Aspirin
2 ) Folic Acid
3 ) Thiamine
4 ) Vitamin D
5 ) Warfarin

Question 4:

A 55 year old female presents with episodic sweats and tremors which are are relieved by glucose. She has gained approximately 6 kg in weight of late and drinks approximately 10 units of alcohol weekly. Her investigations show normal Full Blood Count, Normal Urea and electrolytes and a fasting plasma glucose concetration of 4 mmol/l (3-6). What is the most appropriate investigation for this patient?

1 ) 72 hour fast
2 ) CT scan of pancreas
3 ) EEG
4 ) Insulin and C-peptide concentration
5 ) Oral glucose tolerance test

Question 5:

A 33 year old female is admitted with erythema multiforme and erythematous lesions of the mouth and eyes.
Which one of the following drugs may account for her presentation?

1) Diazepam
2 ) Fluoxetine
3 ) Mebeverine
4 ) Oral contraceptive
5 ) Sulphasalazine

Answers to the above questions: 4,1,4,1,5. Got 100%?

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