Normal?

Question 1

Hb 20g/dL

Answer 1

High

Question 2

Hb 10g/dL, MCV 100

Answer 2

Macrocytic anaemia (Vit B12 or folate deficiency?

Question 3

pH 7.5, PaCO2 7kPa

Answer 3

Alkalosis but high CO2 so primary metabolic alk w/resp compensation

Question 4

Bilirubin (conj) 50µmol/L, AST 20, ALP 200, dark urine, fatty pale faeces

Answer 4

Post hepatic

Raised conj bili, normal AST, raised ALP

Question 5

Bilirubin (conj) 5, AST 30, ALP 140, no urine bilirubin, yellow urine

Answer 5

Pre heaptic, normal bili, AST, ALP, extra urobilinogen in urine so bright yellow + jaundice

Question 6

Bilirubin 100, AST 50, ALP 120, urine bilirubin and yellow sclera, albumin 25

Answer 6

Chronic hepatic jaundice

High bili, high AST, normal ALP, low albumin

Question 7

Troponin 47

Answer 7

High, MI or ACS
heart failure, cardiomyopathies, myocarditis, renal failure, tachyarrhythmias, and pulmonary embolism, and even after strenuous exercise in healthy individuals may cause a slightly raised (eg 1µg/L)

Question 8

Albumin 40

Answer 8

Normal

Question 9

ALP 120

Answer 9

Normal

Question 10

Sodium 140

Answer 10

Normal

Question 11

Sodium 132

Answer 11

Low, check osmolarity and ECF volume

Question 12

Hb 15, MCV 85

Answer 12

Normal

Question 13

Hb 11, MCV 65

Answer 13

Microcytic anaemia