Which Is the Best Explanation of How Complement-A Group of About

question 78

Multiple Choice

Which is the best explanation of how complement-a group of about 20 inactive enzymes in the plasma and on cell surfaces-is activated and produces cytolysis?

• A) Complement is "turned on" by the presence of bacteria.
• B) Complement is activated by antibodies to "drill a hole" into foreign cells, thus causing cytolysis.
• C) Complement causes vasoconstriction and inhibits phagocytosis.
• D) Both A and B are correct.

---

Definitions:

Triangular Theory

A psychological theory that describes love in terms of three components: intimacy, passion, and commitment, as proposed by psychologist Robert Sternberg.

Infatuated Love

A state of intense, often short-lived romantic attraction focused more on physical attraction and obsession than deep emotional connection.

Sexual Attraction

The feeling of physical or emotional attraction towards another person, often leading to sexual interest or desire.

Dating

The process of engaging in social activities with a romantic interest to explore potential partnerships.