| fMRI | functional magnetic resonance imaging |
|---|---|
| FNS | frontier nursing service; functional neuromuscular stimulation |
| FOB | fecal occult blood; feet out of bed; fiberoptic bronchoscopy; foot of bed; functional observational ... |
| FRFC | functional renal failure of cirrhosis |
| FRP | follicle-stimulating hormone releasing protein; functional refractory period |
| functional visual loss | An apparent loss of visual acuity or visual field with no substantiating physical signs; often due to a natural concern about visual loss combined with suggestibility and a fear of the worst; best treated with reassurance. (05 Mar 2000) |
|---|---|
| functional vocal fatigue | Difficult or abnormal voice production, the enunciation being too high, too loud, or too hard. Synonym: functional vocal fatigue. Origin: phon-+ G. Astheneia, weakness (05 Mar 2000) |