Exam 4 - Chapter 13. Liver and Gallbladder Flashcards
3
Heme is the substrate of _____.
3
What is heme derived from?
3
What does heme get degraded to by the enzyme heme oxygenase in mononuclear phagocytes?
3
Biliverdin is reduced to bilirubin by the enzyme _____.
3
Circulating bilirubin (_____) is bound to ____ and is subsequently taken up by the _____.
3
To make bilirubin soluble, it undergoes _____, a reaction catalyzed by __________.
3
Conjugated bilirubin (_____) is excreted into ____ and reaches the _____.
3
Bilirubin glucoronides are deconjugated by _______ and eliminated in the ______.
4
What are two other names for Jaundice?
5
What is jaundice?
5
Jaundice is not a diagnosis, but rather a _____________.
5
Jaundiced patients often present with symptoms related to the underlying pathology, such as:
- _____
- ________
- _______
6
What is scleral icterus?
6
Clinical presentation of jaundice as scleral icterus is best appreciated only when the serum levels reach ________. Normal serum levels of bilirubin are ________.
6
What ages are most commonly affected by jaundice?
8
Why do sclerae have a high affinity for bilirubin?
8
In jaundice, with further increase in serum bilirubin levels, the skin will progessively discolor ranging from ______ to ______, especially if the process is long-standing.
8
Green color in jaundice is due to _____.
8
Yellowing of the skin sparing the sclerae is indicative of ______ which occurs in healthy individuals who ________.
9
What are 5 pathophysiologies of jaundice?
9
What is one thing that could lead to excess production of bilirubin?
9
What is one thing that can cause reduced hepatocellular uptake?
9
What are two things that could lead to impaired conjugation?
9
What are two things that can lead to decreased hepatic excretion of bile?