C. OCD
A. Agoraphobia is incorrect because this is an anxiety disorder associated with the fear of leaving ones home
B. MDD is a depressive disorder that decreases motivation and serotonin/dopamine, not associated with washing hands
D. Psychosis is the description of a psychotic episode where one may feel watched or detached from the world, such as viewing themselves from an outside perspective
The (D. Metric) system is a system of solid and liquid measurement used worldwide. The decimal measuring system based on the meter, liter, and gram as units of length, capacity, and weight or mass.
The measurement of the brain waves during sleep is called electroencelography or EEG. THis is a type of a cap with electrodes which measures the brain activity of a person who wears it on his or her head. This is also often used to measure brain activity during the sleeping period of people as well.
False, it is known as periods