Which of the Following Causes 80% of the Cases of Liver

question 56

Multiple Choice

Which of the following causes 80% of the cases of liver cancer worldwide?

• A) hepatitis B and C viruses
• B) Epstein-Barr virus
• C) human herpesvirus 8
• D) Helicobacter pylori bacterium

Understand the functional specializations of the different areas of the brain and their contributions to behavior and cognition.

Explain the basic structure and function of the autonomic nervous system, including the roles of the sympathetic and parasympathetic divisions.

Describe the contributions of different brain regions to the processing of sensory information and the generation of responses.

Understand the effects of brain damage on cognition and behavior, including specific deficits related to damage to particular brain areas.

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Definitions:

Continuous Reinforcement

A learning schedule in which a reward is given after every correct response, rapidly establishing a behavior but also leading to quick extinction if rewards stop.

Target Response

A desired behavior or outcome that is identified for reinforcement in order to increase its occurrence, often used in behavior modification techniques.

Reinforcement

Reinforcement is a principle in behavioral psychology where the likelihood of a behavior is increased by following it with a positive stimulus or removing a negative one.

Stimulus Generalization

The tendency for the conditioned response to be evoked not only by the conditioned stimulus but also by stimuli similar to the conditioned stimulus.