Consuela stands in front of her American History class to give a presentation. She suddenly loses consciousness and suffers a ""sleep attack"" referred to as a. cataplexy. b. narcolepsy. c. ataxia. d. dyspnea.

b. Narcolepsy

Explanation:

Consuela involuntarily fell asleep during a presentation.  Thus this is a case of  a sleep disorder termed as Narcolepsy. A person suffering from this disorder suffer from sleep attacks. He feels excessively sleepy while doing some work and falls asleep involuntarily any time.

The other options cannot be a choice because Cataplexy refers to loss of muscle action. Ataxia refers to a degenerative disorder of nervous system that has symtoms similar to being drunk. Dyspnea refers to shortness of breath.

it would lead to upper respiratory infections and pneumonia.