MCQ – Medicine – Set 4

Answer true or false for each statement given.

Regarding drug interaction:
a) Ranitidine inhibits the metabolism of warfarin.



b) Concomitant use of erythromycin and simvastatin increases the risk of myopathy.



c) Magnesium trisilicate reduces absorption of oral iron.



d) NSAIDs increase the risk of hyperkalemia in patients treated with ACE inihibitor.



e) Erythromycin has less interaction with other drugs compared to azithromycin.



Regarding acute subdural haematoma:
a) In most cases, it is caused by tearing of the meningeal arteries.



b) Fixed dilated pupil appears ipsilateral to the lesion.



c) CT scan has a limited value than MRI.



d) It leads to brain herniation.



e) Surgical evacuation is the definitive treatment.



A 25 year old man with epilepsy presented with prolonged generalized tonic clonic seizure:
a) Most cases present with persistent tonic seizure.



b) It is suspected in a patient who does not regain conciousness after 30 minutes of cessation of motor activity.



c) Recent withdrawal of antiepileptic drug is a precipitating factor.



d) Blood sugar level is a mandatory investigation.



e) Phenytoin is recommended if initial medical treatment fails.



Regarding cardiopulmonary resuscitation:
a) Assessment of signs of circulation is vital before beginning chest compressions.



b) For single rescuer, compression to ventilation ratio is 30:2.



c) Rate of chest compression is at 60 compressions per minute.



d) Atropine has a role if he is asystole.



e) The standard endotracheal tube size for adult is size 4-6.



Regarding hypercalcaemia:
a) In a women presented with hypercalcaemia, breast examination is indicated.



b) It presents with Chovstek sign.



c) Causes T wave changes on ECG.



d) When it is associated with bone pain and pathological fracture, primary hyperparathyroidism is suspected.



e) Fluid therapy is given in severely hypercalcaemic patient.





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