Question. A 15yr old boy suffers a lower brachial plexus injury as a result of grasping at a branch while falling out of a tree. Which of the following statements is correct regarding this boy’s injury? a. the C5 [...]

Question. Which one of the following lung volumes and capacities CANNOT be measured using a spirometer? a. vital capacity (FVC) b. functional residual capacity (FRC) c. forced expiratory volume in 1 second (FEV1) d. tidal volume e. inspiratory reserve [...]

Question. Which one of the following is correct regarding stroke volume in a healthy person? a. it is the amount of blood expelled from the ventricle in one minute b. it is proportional to left ventricular end diastolic volume [...]

Question. An 18yr old female is seen in the ED with suspected meningococcal meningitis. Which one of the following is true regarding Neisseria meningitidis? a. it is a gram-negative diplococcus bacterium b. it is carried in the axilla and [...]

Question. A 60yr old man with widespread malignancy and sinusitis presents with severe headache, fever and proptosis. He is diagnosed with the cavernous sinus syndrome. All of the following structures are at risk of compression in this man EXCEPT [...]

Question. A 56yr old woman with vitiligo becomes hypotensive and generally unwell and is diagnosed with primary adrenocortical insufficiency (Addison’s disease). Which one of the following statements is true of this condition? a. cortisol is released from the chromaffin [...]

Question. A 40 yr old pedestrian hit by a car and has suffered a fracture to the proximal fibula. On examination, it is noted that he has foot drop and reduced sensation over the lateral lower leg and lateral [...]

Question. A traveller returning from a tropical country attends the ED with recurrent fevers and at triage has a temperature of 39.8degC and rigors. He has a positive P. Falciparum antigen test. Which one of the following is responsible [...]