In Reference to Cytotoxic T Lymphocyte (CTL)escape Mutants,which of the Following

question 17

Multiple Choice

In reference to cytotoxic T lymphocyte (CTL) escape mutants,which of the following statements is correct?

• A)If immunodominant peptides mutate, the host's cytotoxic T lymphocytes are no longer able to respond
• B)Escape mutants are associated more commonly with DNA viruses than with RNA viruses
• C)If escape mutants occur late in an infection, a persistent infection occurs
• D)Viruses escaping cytotoxic T lymphocyte detection are usually cleared effectively by host antibody responses

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Definitions:

Hydrofluoric Acid

A highly corrosive acid made of hydrogen and fluorine that is used in various industrial processes.

Sodium Hydroxide

A highly caustic metallic base and alkali salt, used in many industrial processes, often known as lye or caustic soda.

Sodium Hydrogen Carbonate

A chemical compound also known as baking soda, with formula NaHCO3, often used in cooking, cleaning, and neutralizing acids.

Sodium Carbonate

A white, water-soluble salt used widely in manufacturing glass, soaps, and detergents, and as a water softener.