Which of the Following Hepatitis Viruses Is a DNA Virus

question 5

Multiple Choice

Which of the following hepatitis viruses is a DNA virus with a protein envelope that contains several distinct antigens,such as surface antigen?

• A) HAV
• B) HBV
• C) HCV
• D) HDV
• E) HEV

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Definitions:

Endorphin

Natural peptides produced by the brain that act as neurotransmitters to reduce pain perception and lead to feelings of euphoria.

Serotonin

A neurotransmitter that contributes to feelings of well-being and happiness, also involved in the regulation of mood, sleep, and appetite.

Substance P

A neuropeptide involved in the transmission of pain and other sensory signals to the brain, also implicated in inflammatory processes.

Endorphins

Neurotransmitters produced by the nervous system to cope with pain or stress, often described as "natural painkillers."