The root/combining form in the term orthopnea means
A)condition
B)breathe
C)difficulty
D)teeth
E)straight

Question

Quizplus · Accepted Answer

Orthopnea is a condition in which a person has difficulty breathing when lying down. The root/combining form "ortho" means "straight" or "upright", and "pnea" means "breath". Therefore, the root/combining form in the term orthopnea means "straight breath", which refers to the difficulty in breathing when lying down.

The Root/combining Form in the Term Orthopnea Means