MCAI SOE & OSCE March 2023
VIVA
Pharmacology, physics & equipment
⁃ How do drugs elicit their action
⁃ Comp and non comp inhibitor
⁃ Define michaelis-mentin kinetics
⁃ Zero vs first order kinetics
⁃ inotropes: define, difference of positive vs negative inotrope, examples, mechanism of action, classification, properties of ideal inotrope, adrenaline in comparison (pros and cons as an inotrope), difference between adrenaline and noradrenaline
⁃ Vasopressor definition, classification, examples
⁃ Digoxin MoA
⁃ What is a catalyst, allosteric enzyme, types of enzymes
⁃ NMB: types, MoA, structure of sux, sux apnoea, MH
⁃ Diuretics: draw the nephron and label sites of action, electrolyte disturbance due to loop diuretics, carbonic anhydrase inhibitor example, moa amd clinical uses
⁃ Diathermy: principles of action, modes, bipolar vs monopolar, hazards, why does not cause VF, where to place neutral plates, arcing definition and risk factors
⁃ Vaporisers: SVP vs Vapour pressure, factors influencing SVP, latent heat of vaporisation, critical temperature, temperature compensation definition, importance and examples, gas vs vapour definition, types of vaporisers (desflurane vaporiser)
Physiology & clinical measurement
⁃ Define volume and capacities, draw the lung vol graph, what is dilution technique vs pletysmography (principles, describe the process), define boyle’s law
⁃ Circle system, components, pros and cons, soda lime reactions and function, impact of gas flow
⁃ Thyroid hormone, where iodine is absorbed, thyroid hormone synthesis, function of thyroid hormone, compare and contrast t3&t4, half life
⁃ Autonomic nervous system anatomy, neurotransmitter, adrenal medulla innervation and NT
⁃ Stress response, HPA axis, physiological effect (endocrine, metabolic)
⁃ Physiological effects of high BMI (cardiovascular system, resp system)
⁃ Pain pathway
⁃ Tourniquet (picture), what to check before, max duration, appropriate pressure, contraindications, effects, how it is applied, sickle cell
⁃ Placenta function, how substances cross w examples, what deliveries deoxy, mat/foetal oxygen delivery at placenta (OHDC, Bohr and double Bohr effect)
OSCE
⁃ ECG: AF, paced rhythm (double chamber)
⁃ Hand exam (IVC)
⁃ Anaphylaxis
⁃ Intraop hypertension in ent
⁃ Art line
⁃ Rest
⁃ Airway plan for mid facial injury
⁃ Preop anxious child and mom
⁃ TAP block anatomy
⁃ PDPH
⁃ Rest
⁃ Afib in periop setting
⁃ CXR- lung mass/foreign body and PTX
⁃ Spinal anaes
⁃ ABG & electrophoresis for sickle cell
⁃ MRI
⁃ Thoracic vertebrae anatomy, caudal block
⁃ Resus ACLS