Chapter 21

Question 1

Disease causing organisms

Answer 1

Pathogens

Question 2

Organisms that depend on other organisms to obtain nutrients and shelter required for growth and development while contributing nothing to the survival of the host organism

Answer 2

Parasites

Question 3

organisms that can be seen only when viewed through a microscope.

Answer 3

Microbes or Microscopic

Question 4

Most common infectious microbes

Answer 4

Bacteria and Viruses

Question 5

A diverse group of tiny, single-celled prokaryotic organisms that are ubiquitous in the environment and in your body

Answer 5

Bacteria

Question 6

In which a single bacterial parent cell gives rise to two genetically identical daughter cells.

Answer 6

Binary Fission

Question 7

Molecules that are secreted by the bacterial cells, which can result in death

Answer 7

Toxins

Question 8

Diseases caused by bacteria

Answer 8

E.Coli, Staph infection, Tuberculosis

Question 9

treatment for bacterial infections

Answer 9

Antibiotics

Question 10

1. cannot replicate without a host cell

2. Not composed of cells

Answer 10

Viruses

Question 11

Can be DNA or RNA; can be double or single stranded; can be linear or circular

Answer 11

Genome or genetic material

Question 12

RNA viruses are packaged with the enzyme reverse transcriptase, which synthesizes DNA from the RNA genome

Answer 12

Retroviruses

Question 13

Protein coat surrounding a virus

Answer 13

Capsid

Question 14

Outside of capsid; derived from the cell membrane of the host cell and many contain additional proteins encoded by the viral genome

Answer 14

Viral Envelope

Question 15

Surrounded viruses

Answer 15

Enveloped viruses

Question 16

Enter a state of dormancy in the virus

Answer 16

Latent Viruses

Question 17

Diseases caused by viruses

Answer 17

AIDS, Common Cold, Ebola, Mono, Zika

Question 18

Swelling of the brain

Answer 18

encephalitis

Question 19

An indirect way to provide protection to those individuals who cannot be vaccinated

Answer 19

Herd Immunity

Question 20

Transmitted from one individual to another

Answer 20

Communicable or transmissible diseases

Question 21

Viruses
Bacteria
Eukaryotes (Fungi)
are all:

Answer 21

Pathogens

Question 22

Spreads from one organism to another

Answer 22

Contagious pathogen

Question 23

Some organisms cause infection but are not contagious.

Answer 23

True

Question 24

__________Cells of the immune system that interact with and destroy pathogens

Answer 24

Dedicated

Question 25

1st Line of Defense helps prevent pathogens

Answer 25

True

Question 26

A defense immediately upon infection. Found in all animals and plants

Answer 26

Innate immunity

Question 27

B-Cells and T-Cells are produced in the ___________.

Answer 27

Bone Marrow

Question 28

B-Cells mature in the ______.

Answer 28

Bone Marrow

Question 29

T-Cells mature in the _______.

Answer 29

Thymus

Question 30

Immune response that occurs even though no pathogen is present

Answer 30

Allergy

Question 31

Cell-Mediated Immunity involves T-cells rather than antibodies.

Answer 31

True

Question 32

Attack and Kill virus-infected cells

Answer 32

Cytotoxic

Question 33

Help boost immune system

Answer 33

Helper T-Cells

Question 34

Develops naturally when a pathogen invades the body and elicits a primary or secondary immune response

Answer 34

Active Immunity

Question 35

Provides immediate short-term protection

Answer 35

Passive Immunity

Question 36

immune system attacks own cells

Answer 36

Autoimmune diseases