What Are the Characteristic Changes in the Brain of a Patient

question 26

Multiple Choice

What are the characteristic changes in the brain of a patient with Alzheimer's disease?

• A) Cortical atrophy with plaques and neurofibrillary tangles, impairing conduction
• B) Increased acetylcholine (ACh) and decreased GABA and serotonin levels
• C) Obstruction of many small arteries and arterioles throughout the cerebral cortex
• D) Vacuoles forming in the neurons, rapidly destroying them

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Definitions:

Independent Variable

The variable in an experiment that is manipulated or changed by the researcher to observe its effects on the dependent variable.

Control Group

In experimental research, a group of subjects not exposed to the treatment or intervention being tested, used as a baseline to compare the effects of the treatment on the experimental group.

Anonymous Questionnaire

A survey or form designed to gather information anonymously, ensuring the privacy and confidentiality of respondents.

Female Sexual Harassment

Unwelcome sexual advances, requests for sexual favors, and other verbal or physical harassment of a sexual nature targeted towards females.