Felipe, a 75-year-old-man, has developed a brain condition that makes it difficult for him to manage daily tasks. He fails to speak in full sentences and does not recognize friends. He also experiences hallucinations. Felipe is most likely suffering from _____.

A) Crohn's disease
B) Alzheimer's disease
C) German measles
D) Asperger's syndrome

Hallucinations

Perceptions in a conscious and awake state in the absence of external stimuli, which have qualities of real perception.

Alzheimer's disease

A progressive neurodegenerative disorder characterized by cognitive decline, memory loss, and behavioral changes.

Crohn's disease

A chronic inflammatory condition of the gastrointestinal tract, which is part of a group of conditions known as inflammatory bowel disease (IBD).