Question

which of the following terms means narrowing of the trachea?
a tracheostomy
b tracheoectasis
c tracheosclerosis
d tracheostenosis

Explanation:

The suffix -stensis means narrowing. Tracheostomy is a surgical opening of the trachea. Tracheoectasis refers to dilation of the trachea. Tracheosclerosis is hardening of the trachea. Tracheostenosis combines "tracheo -" (trachea) and "-stenosis" (narrowing), indicating narrowing of the trachea.

Answer:

D. tracheostenosis