2025 - Multiple Choice Questions

Which immunoglobulin provides transplacental immunity
  1. IgA
  2. IgM
  3. IgE
  4. IgG
The INR of FFP is
  1. 0.7
  2. 0.6
  3. 1.0
  4. 1.4
What is the water content of saturated air at 37 degrees Celsius
  1. 28 g/m³
  2. 30 g/m³
  3. 44 g/m³
  4. 51 g/m³
What is propofol’s mode of action
  1. GABA-A agonist
  2. GABA-B agonist
  3. GABA-A antagonist
  4. GABA-B antagonist
What is the maximal urine concentration in humans
  1. 800-1000 mOsm/kg
  2. 1000-1200 mOsm/kg
  3. 1200-1400 mOsm/kg
  4. 1400-1600 mOsm/kg
Which neuromuscular blocker produces a Phase 2 Block
  1. Atracurium
  2. Rocuronium
  3. Suxamethonium
  4. Mivacurium
All of the following are acute phase reactants EXCEPT
  1. CRP
  2. Albumin
  3. Fibrinogen
  4. Troponin I 
The mode of action of barbiturates is
  1. Increasing the frequency of GABA-A opening
  2. Decreasing the frequency of GABA-A opening
  3. Increasing the duration of GABA-A opening
  4. Decreasing the duration of GABA-A opening
Cortisol acts on the liver to cause
  1. Gluconeogenesis
  2. Glycogenolysis
  3. Glycolysis
  4. Lipogenesis
Absence of thyroid function causes BMR to drop by
  1. 40-50%
  2. 60-70%
  3. 30-40%
  4. 10-20%
The percentage of water in the neonate
  1. 50-60%
  2. 60-70%
  3. 70-75%
  4. 75-80%
For every 1 degree Celsius rise in temperature, CMRO2 increases by
  1. 5-7%
  2. 8-10%
  3. 1-2%
  4. 3-5%
The positive Rhesus on RBCs corresponds to which antigen
  1. A
  2. C
  3. D
  4. R
Adenosine is a neurotransmitter that
  1. Causes renal artery vasodilation
  2. Depresses the SA node
  3. Causes tachycardia
  4. Coronary vasoconstriction
On the following diagram, what occurs at point C?
  Pressure-volume loop diagram, heart function illustration.  
  1. Aortic Valve Opening
  2. Aortic Valve Closing
  3. Mitral Valve Opening
  4. Mitral Valve Closing
Which vein runs along the medial surface of the biceps brachii muscle?
  1. Median cubital
  2. Cephalic
  3. Basilic
  4. Brachial
Which local anaesthetic has the highest lipid solubility?
  1. Bupivicaine
  2. Ropivicaine
  3. Procaine
  4. Lignocaine
Which of the following is a mechanism of action of propofol?
  1. Binding to the gamma subunit of the GABA-A receptor
  2. Increasing central serotonin reuptake
  3. Prevention of chloride influx through the central pore
  4. Hyperpolarisation of post-synaptic membranes
Which of the following describes the acid-base disturbance in the following gas:
pH 7.5
HCO3 42
CO2 50
Na 140
Cl 98
  1. Mixed metabolic and respiratory alkalosis
  2. Metabolic alkalosis with NAGMA
  3. Metabolic alkalosis with HAGMA
  4. Compensated metabolic alkalosis
Which immunoglobulin crosses the placenta?
  1. IgA
  2. IgG
  3. IgM
  4. IgD