You are a medical student on attachment in ICU. The arterial blood gas (ABG) machine in A&E is currently broken so staff are coming up from A&E to use your machine. You read one set of results as follows:

pH: 7.2
pCO2: 5kPa
pO2: 12 kPa
HCO3-: 18

Which of the following clinical scenarios best fits the ABG results presented above?

A) Aspirin overdose.
B) Opiate overdose.
C) COPD.
D) Panic attack.
E) Pneumonia.

Proteinuria (>3g/24h), odema and hypoalbuminaemia (albumin <25g/L) is the classical triad of signs for which of the following conditions?

A) Nephritic syndrome
B) Urinary tract infection
C) Acute renal failure
D) Nephrotic syndrome
E) Over use of potassium-sparing diuretics