Tumour Cells Can Evade the Immune System by

question 22

Multiple Choice

Tumour cells can evade the immune system by

• A)changing their antigens over time.
• B)having antigens that are weak immunogens.
• C)secreting immunosuppressive substances.
• D)replicating very quickly.
• E)all of the above.

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Definitions:

Preoperational Characteristic

A stage in Piaget's theory of cognitive development where children from ages 2 to 7 engage in symbolic play and struggle with logic and taking the perspective of others.

Egocentrism

The inability to distinguish between one’s own perspective and someone else’s, often seen in early childhood development.

Menarche

The first occurrence of menstruation in a female, marking the onset of reproductive capability.

Pubertal Growth Spurt

A rapid phase of growth in height and weight experienced during puberty due to hormonal changes.