Question 1
You are treating a patient with a dysrhythmia You are teaching your students about the phases of the cardiac action potential and emphasize the absolute refractory period as a means of preventing another action potential being generated Which factor is most important for this period?
Question 2
A 26 year old man sustains a stab wound to the anterior aspect of the left side of his neck The wound involves the thoracic inlet Which structure is most likely to be encountered and injured first?
Question 3
A father brings his febrile eight week old child to the ED. He tells you that the child's vaccinations are fully up to date. Which of the following vaccines has the child not yet received'?
Question 4
A 56 year old man presents with a spiral fracture of the humerus and wrist drop Which structure is most likely to be damaged?
Question 5
You are treating a patient with an acute exacerbation of COPD and they remain wheezy after two doses of nebulised salbutamol You decide to add nebulised ipratropium to improve bronchodilation Which receptors are most likely to be targeted by this treatment?