L 1 Prefixes

Question 1

a- & an-

Answer 1

not, without, lacking, deficient

ex. abiogenesis, anhydrous

Question 2

anti- & ant-

Answer 2

against, opposed to, preventing, relieving

ex. antibiotic, antiseptic, antacid

Question 3

di- & dis-

Answer 3

two, twice, double

ex. diplegia, dioxide, dismutase

Question 4

dys-

Answer 4

difficult, painful, defective, abnormal

ex. dystrophy, dyspnea

Question 5

ec- & ex-

Answer 5

out of, away from

ex. excision, ectatis

Question 6

ecto- & ect-

Answer 6

outside of

ex. ectoplasm, ectostosis

Question 7

en- & em-

Answer 7

in, into, within

ex. encephalitis, embolism

Question 8

endo- & ento- & end- & ent-

Answer 8

within

ex. endometritis, endocardium, entoptic

Question 9

epi- & ep-

Answer 9

upon, over, above

ex. epidermis, epicardium, eponychium

Question 10

exo-

Answer 10

outside, from the outside, toward the outside

ex. exocrine, exothermal, exocardia

Question 11

hemi-

Answer 11

half, partial

ex. hemicrania, hemiparalysis

Question 12

hyper-

Answer 12

over, above, excessive

ex. hyperglycemia, hyperparathyroidism

Question 13

mono- & mon-

Answer 13

one, single

ex. monoblast, mononeuritis, monocular

Question 14

peri-

Answer 14

around, surrounding

ex. pericardium, periaortic

Question 15

syn- & sym-

Answer 15

together, with, joined

ex. synapse, symmetry, symbiosis