Microbe minutes exam 3

Question 1

large spherical bacteria

Answer 1

DR

Question 2

single rods

Answer 2

LM /PA

Question 3

rods and chains of varying length

Answer 3

LA

Question 4

long straight rods

Answer 4

mt

Question 5

Naturally found in the human GI tract, lining mouth, and normal vaginal flora• Naturally found in the human GI tract, lining mouth, and normal vaginal flora

Answer 5

LA

Question 6

unusual cell wall rich in lipids

impervious to gram stain

Answer 6

MT

Question 7

Found in raw milk, cheeses, icecream, raw vegetables, processed meats

Answer 7

LM/LA

Question 8

Habitat is areas rich in organic material, such as soil, feces, meat , sewage, dried foods, and room dust

Answer 8

DR

Question 9

• Family pseudomonadaceae

Answer 9

PA

Question 10

• Four cells stick together, forming tetrad

Answer 10

DR

Question 11

• trated with penicillin or amplicillin

Answer 11

LM

Question 12

• Grows in acid environment prefers pH below 5

Answer 12

LA

Question 13

• Unbiquitous: soil, water, skin

Answer 13

PA

Question 14

• responsible for tuberculosis, disease which involves infection in lungs of mammals, eventually forming tubercules or small nodules and lesions

Answer 14

MT

Question 15

• Can help those who are lactose intoleratnt

Answer 15

LA

Question 16

o MDR TB: multi drug resistance to 2 drugs, isoniazid & rifampicin
o XDR TB: extremely drug resistant, resistant to multiple lines of drugs.

Answer 16

MT

Question 17

• Grows in phagocytic cells and produces explosive polymerization of actin filaments

Answer 17

LM

Question 18

• 3 stages of infection
o bacterial attachment and colonization
o local infection
o bloodstream dissemination and systematic disease

Answer 18

PA

Question 19

• Multiple copies of its genome and rapid DNA repair mechanisms

Answer 19

DR

Question 20

• Taken up by eukaryotic host cell by phagocytosis the escapes phagosome with enzymes

Answer 20

LM

Question 21

• detoxifies the ionic mercury residue frequently found in radioactive waste generated from nuclear weapons manufacture.

Answer 21

DR

Question 22

• Has ability to create lactic acid from fermenting lactose, normalizes digestion

Answer 22

LA

Question 23

• accounts for 10% of all nosocomial infections: Pneumonia and urinary tract infections
• extremely high mortality rates in burn wound infections and pneumonia
• symptoms: fever, shock, neurologic deficit, jaundice, tachycardia, decreased range of motion

Answer 23

PA

Question 24

• Transmitted through airborene particles, called droplet nuclei which are 1-5 microns in diameter.
• Macrophages in lungs are unable to digest the bacterium, live and reproduce within the macrophages themselves.

Answer 24

MT

Question 25

• Metabolically versetils: can grow on up to 100 different carbon sources

Answer 25

PA

Question 26

• Usually benign, except in mouth where it has been associated with cavities and tooth decay
• Used to treat yeast infections and urinary tract infections

Answer 26

LA

Question 27

• must use acid fast staining due to mycolic acid on cell surface

Answer 27

MT

Question 28

• sensitive to alcohol based sanitizers
• B hemolytic
• Intracellular parasite

Answer 28

LM

Question 29

• known as polyextremophile
• listed ad Guinness world record’s toughest bacteria
• genetically engerneered for use in bioremediation to consume and digest solents and heavy metals

Answer 29

DR

Question 30

obligate aerobe

Answer 30

DM

Question 31

gram +

Answer 31

DLL

Question 32

non motile

Answer 32

TAR

Question 33

facultative anaerobe

Answer 33

pll

Question 34

temp resistant

Answer 34

LMDR

Question 35

Disinfectant /antibiotic resistant

Answer 35

MTPA

Question 36

resistant to drying

Answer 36

MTDR