2023 - Multiple Choice Questions

What are the ECG changes in hyperkalaemia?
  1. Shortened PR
  2. Peaked P waves
  3. Peaked T waves
  4. Narrow QRS complex
What is the half life of dexamethasone?
  1. 36-54 hours
  2. 24 hours
  3. 12 hours
  4. 4-8 hours
At what age do neonates develop ABO antigens?
  1. 2-3 days
  2. 2-3 weeks
  3. 2-3 months
  4. 2-3 years
What proportion of endogenous insulin is excreted by the kidneys?
  1. 10%
  2. 25%
  3. 50%
  4. 100%
Which of the following is an anaerobic bacteria?
  1. Acinetobacter baumannii
  2. Bacillus anthracis
  3. Fusobacterium nucleatum
  4. Stenotrophomonas maltophilia
Which type of insulin is most commonly given IV?
  1. Detemir
  2. Isophane
  3. Glargine
  4. Regular
What does line BC in the below image represent?
  1. Isovolumetric Contraction
  2. Isovolumetric Relaxation
  3. Passive Ventricular Filling
  4. Ventricular Ejection
An isobologram shows:
  1. The doses at which 2 drugs have the same effect
  2. The interaction between 2 drugs
  3. The clearance of a drug over time
  4. The likelihood of a drug to produce tachyphylaxis
The earliest that Basal Metabolic Rate (BMR) should be measured after a meal is:
  1. 30 minutes
  2. 4 hours
  3. 6 hours
  4. 12 hours
How much saliva is secreted each day?
  1. 250mL
  2. 500mL
  3. 1000mL
  4. 2000mL
Which of the following is an example of Phase 2 Metabolism?
  1. Hydroxylation
  2. Methylation
  3. Oxidation
  4. Reduction
In comparison to the base of the lung, the apex:
  1. Has a lower V/Q ratio
  2. Has a higher PO2
  3. Is more compliant
  4. Has more blood flow
Each domain of the cardiac fast sodium channel is composed of how many membrane-spanning segments?
  1. Two
  2. Four
  3. Five
  4. Six
Which of the following antifungals has the broadest spectrum of activity?
  1. Fluconazole
  2. Itraconazole
  3. Ketoconazole
  4. Posaconazole
Which of the following is a physiologic antagonist of histamine?
  1. Adrenaline
  2. Cetrizine
  3. Physostigmine
  4. Ranitidine
How much will 2,3-DPG decrease after storing blood for 14 days?
  1. 10%
  2. 30%
  3. 40%
  4. 80%
Which of the following drugs increases Digoxin levels?
  1. Carbamazepine
  2. Phenytoin
  3. Metoclopramide
  4. Captopril
What is the intra-pleural pressure at the beginning of inspiration during normal quiet breathing?
  1. -5cmH2O
  2. 0cmH2O
  3. 5cmH2O
  4. 10cmH2O
What is the intracellular concentration of calcium?
  1. 0.0001 to 0.0009 mmol/L
  2. 0.001 to 0.009 mmol/L
  3. 0.01 to 0.09 mmol/L
  4. 0.1 to 0.9 mmol/L
Proteus mirabilis is a:
  1. Gram-positive coccus
  2. Gram-positive rod
  3. Gram-negative coccus
  4. Gram-negative rod