All Infectious Diseases ________

question 18

Multiple Choice

All infectious diseases ________.

• A)are contagious
• B)occur only in humans
• C)are caused by microorganisms or their products
• D)are caused by vectors
• E)involve viruses as the pathogen

---

Definitions:

Revocation

The act of withdrawing, repealing, or cancelling a right, permission, or contract.

Effective Acceptance

The expression of assent to the terms of an offer in a manner requested or authorized by the offeror, resulting in a binding contract.

Firm Offer

An offer in a contract that is expressed in a way that it cannot be revoked for a certain period of time.

Merchant

An individual or business entity engaged in the trade of goods, services, or both, to consumers.