According to a recent study by De Meyer and others, every one of the older adults with mild cognitive impairment who had ________ in their spinal fluid developed Alzheimer disease within 5 years.
A) the amyloid beta
B) acetylcholine
C) the apolipoprotein
D) oxytocin

Question

Quizplus · Accepted Answer

The study by De Meyer and others found that older adults with mild cognitive impairment who had amyloid beta in their spinal fluid developed Alzheimer's disease within 5 years. This suggests that the presence of amyloid beta may be a strong predictor of future development of Alzheimer's disease.

According to a Recent Study by De Meyer and Others