CMSA FC Path(SA) Chemical Pathology Practice Questions - Fellowship of the College of Pathologists of South Africa - Chemical Pathology Exam - CMSA FC Path(SA) Chemical Pathology Practice Questions - Fellowship of the College of Pathologists of South Africa

Question 1

A 45-year-old male with severe diarrhoea presents with serum sodium 138 mmol/L, potassium 3.1 mmol/L, chloride 112 mmol/L, and bicarbonate 14 mmol/L. What is the serum anion gap in mmol/L?

8 12 16 20

Correct Answer:

Question 2

A 52-year-old man with type 2 diabetes presents with confusion. Serum sodium 128 mmol/L, glucose 38 mmol/L. Using the correction of 2.4 mmol/L per 10 mmol/L glucose above 5.6 mmol/L, what is the corrected sodium in mmol/L?

132 134 136 138

Correct Answer:

136

Question 3

A patient with ethylene glycol poisoning has serum sodium 140 mmol/L, glucose 5 mmol/L, urea 6 mmol/L, and measured serum osmolality 360 mOsm/kg. Estimated osmolality (2×Na + glucose + urea) is 292 mOsm/kg. What is the osmolal gap in mOsm/kg?

48 58 68 78

Correct Answer:

Question 4

Arterial blood gas: pH 7.28, PaCO2 22 mmHg, HCO3− 10 mmol/L. Using Winter's formula, what is the expected PaCO2 (±2 mmHg)?

18–22 mmHg 22–26 mmHg 26–30 mmHg 30–34 mmHg

Correct Answer:

22–26 mmHg

Question 5

A patient with diabetic ketoacidosis has Na+ 140, Cl− 100, HCO3− 10 mmol/L. What is the serum anion gap in mmol/L?

20 24 28 30

Correct Answer:

Question 1

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Prepare with the CMSA FC Path(SA) Chemical Pathology Practice Questions - Fellowship of the College of Pathologists of South Africa - Chemical Pathology Exam practice quiz. This question bank includes 100 questions covering mmol, serum, patient, glucose, and urine. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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CMSA FC Path(SA) Chemical Pathology Practice Questions - Fellowship of the College of Pathologists of South Africa - Chemical Pathology Exam

This practice set contains 100 questions from the matching question bank and focuses on mmol, serum, patient, glucose, and urine. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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CMSA FC Path(SA) Chemical Pathology Practice Questions - Fellowship of the College of Pathologists of South Africa - Chemical Pathology Exam

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