[Campbell Biology P.986] According to Figure 42.20, what is the correct sequence of events w... | Practice Question

According to Figure 42.20, what is the correct sequence of events when inserting a stent to widen an obstructed artery?

  • A: Balloon inflation, stent insertion, balloon removal.
  • B: Stent and balloon inserted, balloon inflated, balloon removed leaving stent.
  • C: Stent inserted, balloon removed, balloon inflated.
  • D: Balloon removed, stent inflated, balloon and stent inserted.

Explanation

Figure 42.20 clearly shows the steps: 1 A stent and a balloon are inserted into an obstructed artery. 2 Inflating the balloon expands the stent, widening the artery. 3 The balloon is removed, leaving the stent in place.