Question

question 8
a combining form meaning iron is:
a sider/o
b ir/o
c sinistr
d presby/o
question 9

Explanation:

• Option A: "sider/o" is a combining form that means iron. For example, in the word "sideropenia" (deficiency of iron in the blood).
• Option B: "ir/o" is not a standard combining form for iron.
• Option C: "sinistr" means left (as in "sinistral" - left - handed).
• Option D: "presby/o" means old age (as in "presbyopia" - farsightedness of old age).

Answer:

A. sider/o