2023 - Multiple Choice Questions
What are the ECG changes in hyperkalaemia?
- Shortened PR
- Peaked P waves
- Peaked T waves
- Narrow QRS complex
What is the half life of dexamethasone?
- 36-54 hours
- 24 hours
- 12 hours
- 4-8 hours
At what age do neonates develop ABO antigens?
- 2-3 days
- 2-3 weeks
- 2-3 months
- 2-3 years
What proportion of endogenous insulin is excreted by the kidneys?
- 10%
- 25%
- 50%
- 100%
Which of the following is an anaerobic bacteria?
- Acinetobacter baumannii
- Bacillus anthracis
- Fusobacterium nucleatum
- Stenotrophomonas maltophilia
Which type of insulin is most commonly given IV?
- Detemir
- Isophane
- Glargine
- Regular
What does line BC in the below image represent?
- Isovolumetric Contraction
- Isovolumetric Relaxation
- Passive Ventricular Filling
- Ventricular Ejection
An isobologram shows:
- The doses at which 2 drugs have the same effect
- The interaction between 2 drugs
- The clearance of a drug over time
- The likelihood of a drug to produce tachyphylaxis
The earliest that Basal Metabolic Rate (BMR) should be measured after a meal is:
- 30 minutes
- 4 hours
- 6 hours
- 12 hours
How much saliva is secreted each day?
- 250mL
- 500mL
- 1000mL
- 2000mL
Which of the following is an example of Phase 2 Metabolism?
- Hydroxylation
- Methylation
- Oxidation
- Reduction
In comparison to the base of the lung, the apex:
- Has a lower V/Q ratio
- Has a higher PO2
- Is more compliant
- Has more blood flow
Each domain of the cardiac fast sodium channel is composed of how many membrane-spanning segments?
- Two
- Four
- Five
- Six
Which of the following antifungals has the broadest spectrum of activity?
- Fluconazole
- Itraconazole
- Ketoconazole
- Posaconazole
Which of the following is a physiologic antagonist of histamine?
- Adrenaline
- Cetrizine
- Physostigmine
- Ranitidine
How much will 2,3-DPG decrease after storing blood for 14 days?
- 10%
- 30%
- 40%
- 80%
Which of the following drugs increases Digoxin levels?
- Carbamazepine
- Phenytoin
- Metoclopramide
- Captopril
What is the intra-pleural pressure at the beginning of inspiration during normal quiet breathing?
- -5cmH2O
- 0cmH2O
- 5cmH2O
- 10cmH2O
What is the intracellular concentration of calcium?
- 0.0001 to 0.0009 mmol/L
- 0.001 to 0.009 mmol/L
- 0.01 to 0.09 mmol/L
- 0.1 to 0.9 mmol/L
Proteus mirabilis is a:
- Gram-positive coccus
- Gram-positive rod
- Gram-negative coccus
- Gram-negative rod