Question

Here are a group of words related to various professions that deal with healing. Pick out the words from the ones given in the box and write them in the appropriate column. Also, find out what they mean.

bone-scan carbohydrates cornea gums anti-oxidant orthodontics x-ray bicuspids molars caloriesdietary fibre root-canaling retina folic acid glaucoma bifocals lipid capping progressives cholesterol myelography PET scan tomography lens bridge
Dentist	Radiologist	Dietician	Optometrist

Answer 1

Dentist	Radiologist	Dietician	Optometrist
gums	bone-scan	carbohydrates	cornea
orthodontics	x-ray	anti-oxidant	retina
bicuspids	myelography	calories	glaucoma
molars	PET scan	dietary fibre	bifocals
root-canaling	tomography	folic acid	lens
capping		lipid	progressives
bridge		cholesterol

Meanings:

1. Dentist:
   • gums: soft tissue around the teeth
   • orthodontics: correction of irregular teeth
   • bicuspids: premolar teeth
   • molars: back teeth used for grinding
   • root-canaling: treatment of an infected tooth root
   • capping: covering a damaged tooth with a crown
   • bridge: artificial replacement for missing teeth
2. Radiologist:
   • bone-scan: imaging test of bones
   • x-ray: image made using radiation
   • myelography: imaging of the spinal canal
   • PET scan: scan showing body activity and function
   • tomography: imaging of internal body sections
3. Dietician:
   • carbohydrates: nutrients that provide energy
   • anti-oxidant: substance that protects cells from damage
   • calories: units of energy in food
   • dietary fibre: indigestible plant material aiding digestion
   • folic acid: vitamin B9
   • lipid: fat-like substance
   • cholesterol: fatty substance found in blood and cells
4. Optometrist:
   • cornea: clear front surface of the eye
   • retina: light-sensitive layer at the back of the eye
   • glaucoma: eye disease caused by damage to the optic nerve
   • bifocals: lenses with two different powers
   • lens: transparent part of the eye that focuses light
   • progressives: lenses with gradually changing powers