Exam 1 MICRO

Question 1

Antonie Von Leeuwenhoek

Answer 1

dutch linen merchant
- created first microscope
- published observations on yeast, bacteria and protozoa
- called them animalcules

Question 2

who did important work in the pre golden age?

Answer 2

Edward jenner
John Snow
Ignaz Semmelweis

Question 3

Edward JeNNer

Answer 3

English Physician, surgeon and scientist
- created a safe and effective small pox vaccine

Question 4

John Snow

Answer 4

English physician
- first medical doctor to study dosages of anesthetics
- grandfather of Epidemiology

Question 5

Ignaz Semmelweis

Answer 5

handwashing

Question 6

Louis Pasteur

Answer 6

Pasteurization, fermentation, silkworms, spontaneous generation, and rabies vaccine

Question 7

Robert Koch

Answer 7

Sharing techniques, specificity of diseas, pure culture techniques, and Koch postulates

Question 8

Joseph Lister

Answer 8

Antiseptic technique

Question 9

What are ubiquitous?

Answer 9

Found everywhere in the world

Question 10

What are microbs?

Answer 10

they are:
- Ubiquitos
- living (viruses are not living) (Structural unit of life is the cell)
- bacteria can be harmful or helpful to life

Question 11

Colonization

Question 12

Infection

Question 13

Subclinical

Answer 13

–

Question 14

infectious disease

Answer 14

–

Question 15

Symptoms

Answer 15

–

Question 16

Signs

Answer 16

–

Question 17

primary pathogen

Question 18

opportunistic pathogen

Question 19

virulence

Question 20

virulence factors

Question 21

communicable/contagious disease

Question 22

infectious dose

Question 23

incubation period

Answer 23

illness

Question 24

covalenscene

Question 25

(asymptomatic) carriers

Question 26

Acute infection

Question 27

Chronic infection

Question 28

Lantent infection

Question 29

Localized infection

Question 30

systemic infection

Question 31

bacteremia

Question 32

spesis

Question 33

toxemia viremia

Question 34

ionic bonds are formed how?

Answer 34

atoms gaining or losing electrons
- produces charged atoms, or ions
- ionic bonds form because of strong attraction between negative and positive charges (relatively weak)

Question 35

covalent bonds are formed when…

Answer 35

atoms share electrons
- carbon and hydrogens bond to for Organic molecule
- strongest hard to break

Question 36

covalent bonds can be either ____ and _____?

Answer 36

non polar - equal sharing of electrons
polar - un equal sharing (Pulls)

Question 37

What are the properties of water?

Answer 37

• Polar molecule
• forms hydrogen
• solvent for most chemical reactions

Question 38

Hydrogen bonds are ___ bonds?

Answer 38

weak

Question 39

water makes up __ over of all living organisms by weight?

Answer 39

70%