Which of the following groups of words is related to radiology?

Hi,I did the following:

Which of the following groups of words is related to radiology?
A)cephalgia, chondrodynia, sternotomy
B)myelography, photon absorptiometry, bone scan
C)rheumatoid arthritis, muscular dystrophy, amyotrophic lateral sclerosis
D)exophthalmometry, keratometry, gonioscopy

which of the following are degenerative illnesses?
A)cephalgia, chondrodynia, sternotomy
B)nyelography, photon absorptiometry, thermography
C)rheumatoid arthritis, muscular dystrophy. amyotrophic lateral sclerosis
D)exophthalmometry, keratometry, gonioscopy

-StumptownNative
Radiology -- B

Illnesses -- C

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