How Does the Immune System Initiate Responses Against Intracellular Pathogens

question 72

Multiple Choice

How does the immune system initiate responses against intracellular pathogens like viruses, when they are hidden inside cells?

• A)The immune system attacks intracellular pathogens primarily by killing cells that have already been infected.
• B)The immune system only attacks these intracellular pathogens when they are found in the extracellular space.
• C)Cells of the immune system secrete proteins that penetrate infected cells and attack the pathogens intracellularly.
• D)All of these are correct.

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Definitions:

Probability Of Occurrence

The likelihood of an event happening, measured on a scale from 0 (impossibility) to 1 (certainty).

Span Of Time

The duration or extent between two points in time.

Poisson Random Variable

A type of random variable that represents the number of events occurring in a fixed interval of time or space, under the condition that these events happen with a known constant mean rate and independently of the time since the last event.

Probability Distribution

A probability distribution is a statistical function that describes all the possible values and likelihoods that a random variable can take within a given range.