Match the words in Column A with their meanings in Column B: Column A: 1. essential 2. threatening 3. widespread 4. treatment 5. complication 6. diagnostic 7. outpatient 8. chronic. Column B: a. lasti

Here are the matches for the words in Column 'A' with their meanings in Column 'B':

1. essential matches with d. extremely important.
2. threatening matches with f. likely to harm or destroy.
3. widespread matches with h. distributed over a large area.
4. treatment matches with g. a thing done to relieve or cure an illness.
5. complication matches with b. further development of an illness.
6. diagnostic matches with c. identifying the nature of an illness.
7. outpatient matches with e. a person who goes to a healthcare but stays at home.
8. chronic matches with a. lasting for a long time.

Here is the complete list of matches:

• 1. essential - d. extremely important
• 2. threatening - f. likely to harm or destroy
• 3. widespread - h. distributed over a large area
• 4. treatment - g. a thing done to relieve or cure an illness
• 5. complication - b. further development of an illness
• 6. diagnostic - c. identifying the nature of an illness
• 7. outpatient - e. a person who goes to a healthcare but stays at home
• 8. chronic - a. lasting for a long time