Select the most appropriate option to fill in the blank.
The operation is to be distinguished from other forms of heart surgery and, in particular, from the repair of openings between the _______.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. auricles.
- "Auricles" refer to the two upper chambers of the heart, also known as atria.
- The term fits contextually in relation to heart surgery and the repair of openings.