In the diagnostic statement "hysterical glottis spasm," the main term is:

In the diagnostic statement "hysterical glottis spasm," the main term is: spasm

Explanation:

The central term in this diagnostic is the spasm.  The word hysterical refers to the cause of the spasm, which in this case, is due to a nervous disease. The term glottis is what is affected by this spasm, the part of the body where it takes place, but the keyword is spasm because it is referring to the organic problem.

i think the answer would be b.