Bilirubin Determination MCQs
- Per gram of degraded hemoglobin, how much bilirubin is produced?
- A. 3mg
- B. 15mg
- C. 34mg ✅
- D. 51mg
- Approximately how much bilirubin are synthesized daily due to physiological breakdown of blood?
- A. 100mg
- B. 150mg
- C. 200mg
- D. 250mg ✅
- The normal daily urobilinogen excretion in the urine is:
- A. 1-2mg
- B. 2-4mg ✅
- C. 5-10mg
- D. 1gm
- What is the half-life of delta bilirubin?
- A. 2 days
- B. 8 days
- C. 12 days
- D. 18 days ✅
- This is used to induce a rise of unconjugated bilirubin by activating hemoxygenase and increase spleenic unconjugated bilirubin production.
- A. Nicotinic acid ✅
- B. Trichloroethylene
- C. sulfobromophthalein
- D. dichlorobenzol
- This is a laboratory evaluation system for severity of cirrhosis.
- A. Sulfobromophthalein
- B. Child-Pugh ✅
- C. Nicotinic acid test
- D. Fasting
- This chronic form of conjugated hyperbilirubinemias is characterized by deficient leukotriene elimination into the bile and therefore leukotrienes are excreted renally.
- A. Crigler-Najjar syndrome
- B. Dubin-Johnson syndrome ✅
- C. Gilbert’s syndrome
- D. Rotor syndrome
- In case of intensive sun irradiation, bilirubin values decreases by up to:
- A. 10% after 1 hour
- B. 20% after 1 hour
- C. 30% after 1 hour ✅
- D. 50% after 1 hour
- Bilirubin at room temperature, protected from light exposure is stable for:
- A. 1 day
- B. 2 days
- C. 3 days ✅
- D. 4 days
- Which bilirubin is measured to assess success following invasive measures to remove cholestasis?
- A. Conjugated bilirubin ✅
- B. Unconjugated bilirubin
- C. Delta bilirubin
- D. Total bilirubin
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