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Letter R
| Question | Answer |
|---|---|
| R | respiration, rectal |
| Rt | right |
| Ra | radium |
| RBC | red blood cell |
| RDA | recommended daily allowance |
| REM | rapid eye movement |
| RHD | rheumatic heart disease (damage to the heart muscle and heart valves caused by episodes of rheumatic fever) |
| RLQ | right lower quadrant |
| RN | registered nurse |
| RNA | ribonucleic acid |
| R/O | rule out |
| RO | reality orientation |
| ROM | range of motion |
| RR | recovery room |
| RRT | registered respiratory therapist, registered radiologic technologist |
| RT | respiratory therapy/ therapist |
| RUQ | right upper quadrant |
| Rx | prescription, take, treatment |