fight off infections

Question 1

are viruses bacteria?

Answer 1

no

Question 2

are viruses treatable with antibiotics?

Answer 2

no

Question 3

are viruses alive?

Answer 3

no

Question 4

what are viruses?

Answer 4

cellular parasites

Question 5

what can viruses infect?

Answer 5

archaea, bacteria, fungi, plants, animals

Question 6

the structure of ALL viruses includes:

Answer 6

nucleic acid (DNA or RNA)

Question 7

what is it called when the cell engulfs a virus

Answer 7

endocytosis

Question 8

where is viral RNA replicated in a cell

Answer 8

nucleus

Question 9

what is innate immunity?

Answer 9

physical barriers that prevent infection from bacteria

Question 10

examples of innate immunity

Answer 10

skin, hair, cilia, mucus membranes, digestive enzymes, stomach acidity, inflammatory response

Question 11

what do white blood cells do against bacteria?

Answer 11

engulf and kill

Question 12

what is adaptive immunity?

Answer 12

body’s ability to recognize and remember antigens in an immune response

Question 13

what is primary response?

Answer 13

the first encounter with a pathogen, the immune response is weak

Question 14

what is secondary response?

Answer 14

later encounters with the same pathogen, full immune response preventing symptoms

Question 15

are you more likely to get symptoms during primary or secondary response?

Answer 15

primary

Question 16

what can lymphocytes (B and T cells) do?

Answer 16

recognize antigens

Question 17

what are antigens?

Answer 17

foreign proteins/molecules that begin and immune response and produce antibodies

Question 18

what do antibodies do?

Answer 18

bind to pathogens and mark them for destruction

Question 19

What cells does HIV infect?

Answer 19

T cells

Question 20

what are allergies?

Answer 20

immune response toward a harmless foreign substance

Question 21

what is autoimmunity?

Answer 21

when body’s immune system reacts to its own proteins as if they were invaders

Question 22

what percent of population has autoimmunity?

Answer 22

5%

Question 23

what is herd immunity?

Answer 23

resistance to spread of disease when a large community becomes immune to the disease

Question 24

why is it important to get vaccinated?

Answer 24

exposes body to pathogen so your body knows how to fight it, produces secondary response