Fun Quiz: Test Your Clinical Chemistry Knowledge

#1. What is the relationship of calcium and phosphorus levels in serum?

DIrectly proportional

Inversely proportional

No relationship

#2. The following are reasons to check the patient’s synovial fluid except

Myalgia

Check for sepsis or infection

Crystal induced inflammation

Synovial hemorrhage

#3. Which of the following statements is true

Severe burns can cause an elevation of albumin

Albumin is the smallest plasma protein fraction

Elevated albumin levels are associated with edema and decreased osmotic pressure.

Albumin synthesis is elevated in liver impairment

Decreased albumin levels can been seen in nephrotic syndromes due to renal loss

#4. What is defined as the amount of acid needed to return pH to normal

pCO2

pO2

Base excess

pH

Base deficit

#5. Low levels of this type of enzymes has serious neuromuscular effects

Cholinesterase

Aminotransferases

Creatine kinase

Lactate dehydrogenase

Alkaline phosphatase

#6. Which of the following indicates myocardial infarction?

LDH-1 = LDH-2

LDH-1 > LDH-2

LDH-1 < LDH-2

#7. Which of the following statements is true?

LDH converts of pyruvate to lactate while reducing NADH to NAD

Unlike potassium, prolonged contact of serum to cells will not affect LDH levels

Rate of decrease in absorbance of NADH at 340nm is proportional to LD activity

LDH is not affected by hemolysis

Rate of increase in absorbance of NAD at 340nm is proportional to LD activity

#8. Which analyte is measured by its reduction of phosphotungstic acid to tungsten blue?

Urea

Ammonia

Uric acid

Creatinine

Bicarbonate

#9. Which of the following increases serum potassium levels?

Hyperaldosteronism

Cushing's syndrome

Renal failure

Vomiting and diarrhea

Insulin injections

#10. Can be detected in serum of patients with either Grave’s disease or Hashimoto thyroiditis

Anti SSA

Anti-ENA

Thyroglobulin antibody

Anti-thyroid peroxidase antibody

Anti nuclear antibody

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