Match terms in Column I with their correct meaning in Column II and select the correct match as your answer from the codes given:
| COLUMN I | COLUMN II | ||
| A | Cardiac arrest | P | When the heart stops beating |
| B | Heart block | Q | when the heart beats more slowly or with an abnormal rhythm |
| C | Heart attack | R | When the heart muscle is suddenly damaged by an inadequate blood supply |
| D | Heart failure | S | When heart is not pumping blood effectively enough to meet the needs of the body |
Codes
| A | B | C | D | |
| 1 | P | Q | R | S |
| 2 | Q | P | R | S |
| 3 | R | S | Q | P |
| 4 | R | S | P | Q |