Disease Agents 1.3

Signs of disease or injury is known as a..

• symptom

• disease

• sickness

• cancer

In disease, a factor, such as a microorganism or a chemical substance, that can impact the development of a disease or illness is known as a(n)

• agent

• fungi

• bacteria

• host

Tiny infectious agents that can only multiply when they are inside a host, the living cells of plants, animals, or bacteria are known as a ..

• viurs

• bacteria

• fungi

• host

Single-celled organisms that do not rely on a host are known as..

• bacteria

• viurs

• fungi

• host

Organisms such as yeasts or molds that reproduce quickly in moist, humid environments are known as..

• bacteria

• fungi

• virus

• host

Tags

NGSS.MS-LS1-5

NGSS.MS-LS3-2

Select all of the true statements about viruses.

• You can see them with a regular classroom microscope.

• They need a host to multiply.

• They can mutate, making them difficult to prevent or treat.

• They can be passed from person to person.

Select all of the true statements about bacteria.

• You can see them with a regular classroom microscope.

• They need a host to multiply.

• They can reproduce quickly.

• They can be passed from person to person.

• All bacteria are bad.

Select all of the true statements about fungi.

• They can only live on a host.

• They can reproduce quickly.

• They like moist, humid environments to reproduce.

• .

  All fungi are bad.

• They can be spread from person to person.

The identification of an illness or other problem by examination of the medical evidence is known as a..

• diagnosis

• symptom

• sign

• evidence

A medicine that limits the growth of or destroys microorganisms is known as a(n)...

• antibiotic

• antihistamine

• antiseptic

• antifungal