An Example of an "Emerging Virus" (A Virus in a New

question 26

Multiple Choice

An example of an "emerging virus" (a virus in a new host) with a lethality rate in excess of 50% is

• A)influenza virus.
• B)Ebola virus.
• C)hepatitis B.
• D)variola virus.
• E)yellow fever.

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Definitions:

Psychoactive Drugs

Drugs that act on the nervous system to alter consciousness, modify perception, and change moods.

Dopamine

Dopamine is a neurotransmitter that plays a major role in reward-motivated behavior, mood, and the regulation of movement and emotional responses.

Epinephrine

Also known as adrenaline, a hormone and neurotransmitter involved in the body's fight-or-flight response, increasing heart rate, muscular strength, and blood sugar.

Brain's Reward Pathways

Neural pathways in the brain that are activated by reward-related stimuli, playing a key role in the mechanisms of pleasure and reinforcement.