Juan Has Been Diagnosed with Hepatitis B

question 81

Multiple Choice

Juan has been diagnosed with hepatitis B. He has not had unprotected sex with anyone. Which of the following could be a possible way through which Juan contracted the infection?

• A) Juan shared a food plate at a dinner party with a hepatitis B-infected person.
• B) Juan consumed contaminated water during his trip abroad.
• C) Juan shared needles for tattooing with a person who had hepatitis B.
• D) Juan swapped seats on a flight with a hepatitis B-infected person who was coughing and sneezing.

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Definitions:

DRH Schedule

Differential Reinforcement of High Rates of behavior schedule; a reinforcement schedule in which a higher rate of a specific behavior is reinforced, encouraging the behavior to occur more frequently.

Reinforcer

Any stimulus that increases the likelihood of a preceding behavior being repeated.

Primary Reinforcer

An innate reinforcing stimulus like nourishment or shelter, which does not require learning to be effective in enhancing behavior.

Conditioning

A process of behavior modification by which a subject comes to associate a desired behavior with a previously unrelated stimulus.