10 Questions
What is the normal range for total serum bilirubin?
< 1.1 mg/dl
What is the normal range for serum indirect bilirubin?
< 0.7 mg/dl
What is the normal range for serum direct bilirubin?
< 0.4 mg/dl
Which condition is associated with a biochemical disturbance related to bilirubin metabolism?
Hemochromatosis
What is the definition of hyperbilirubinemia?
Elevated levels of bilirubin in the blood
What is the normal resting membrane potential in the smooth muscle fibers of the gastrointestinal tract?
-50 to -60 millivolts
What is the characteristic of slow waves in the smooth muscle of the gastrointestinal tract?
Slow, undulating changes in the resting membrane potential
What is the frequency range of slow waves in different parts of the human gastrointestinal tract?
3 to 12 per minute
What is the average intensity of slow waves in the smooth muscle of the gastrointestinal tract?
5 to 15 millivolts
What is the rhythm of contraction in the duodenum based on the frequency of slow waves?
About 12 per minute
Test your knowledge of bilirubin metabolism and its inborn errors with this quiz. Explore the steps of heme catabolism, the formation of bilirubin, and the fate of its products. Assess your understanding of this important aspect of medical biochemistry.
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