Want to talk to some one that is Bored as heck

Explain the pathophysiologic changes that can cause the signs and symptoms associated with common bile duct obstruction.

It is a clinic where patients with skin ailments are referred to. a. actinic keratosis b. biopsy c. cicatrices d. dermatitis e. dermatology f. keloids g. pruritus h. ulcers i. vesicles j. emollients

In regards to acetyl coa in the tca/kreb's cycle: how many cycles minimum would it take for an acetyl coa carbon to be removed? (what is the first step that this removal could happen? why can't we know for sure how many turns it takes?