Pathology EMQ template.

Name: Fathimath Abdulla   

Theme: ACID-BASE HANDLING

OPTION LIST

A	Metabolic Acidosis	I
B	Metabolic Alkalosis	J
C	Respiratory Acidosis	K
D	Respiratory Alkalosis	L
E	Metabolic Acidosis with Respiratory Compensation	M
F	Metabolic Alkalosis with Respiratory Compensation	N
G	Respiratory Acidosis with Metabolic Compensation	O
H	Respiratory Alkalosis with Metabolic Compensation	P

For each scenario below, choose the most appropriate answer from the list above. Each option may be used once, more than once or not at all.

1.  Gain in bicarbonate ions or loss of H+ ions resulting in raised pH.

2. 24 year old female presents at A&E with a broken ankle. The interpretation of her blood gas results (pH 7.62, PCO2 3.59, PO2 14.1, HCO3 23, Base Excess 0) demonstrates a ____.

3. 22 year old model is admitted to A&E with weakness and tingling sensations in both hands and feet, and “poor balance”. Patient denies pill ingestion but admits she has been on a strict diet regimen to meet her agency’s expectations. Her ABG results (pH 7.55, PCO2 6.67, PO2 12.0, HCO3 45) demonstrate ____.

4. A 40 year old lady with severe chronic back pain (treated aggressively with OTC NSAIDs) for several years was found to have BP 155/95 at her routine GP visit. Her urine dipstick demonstrated ++ protein and increased white blood cells. Her ABG results (pH 7.30, PCO2 4.27, HCO3 15) demonstrate _____. 

5.  A 45 year old man with a history of solvent (inhalant) abuse presents to A&E complaining of dyspnoea (SPO2 99% on room air). He is tachypnoeic on examination and demonstrates Kussmaul breathing. His ABG (pH 6.95, PCO2 1.20, PO2 17.0, HCO3- 2) demonstrates ___.

ANSWERS

1. B

2. D

3. B

4. E

5. E