Microbiology

Question 0

Viridans strep

Answer 0

Infection through dental surgery

Question 1

Streptococcus aglactiae predisposing factors

Answer 1

Diabetes and breast cancer

Question 2

Streptococcus galloyticus

Answer 2

Causes endocarditis. Strongly associated with colon cancer

Question 3

Bacillus cereus

Answer 3

Food poisoning. Toxin: cereuide found in fried rice

Question 4

Clostridia perfingens

Answer 4

Gram positive. Gas gangrene. Alpha toxin. Boxcar rods. Found in soil and meats (meats, poultry, and gravy)

Question 5

Clostridia tetani

Answer 5

Tetanus. AB toxin.

Question 6

Clostridia botulinum

Answer 6

Floppy baby–infants inhaling spores from carpet or raw honey. AB toxin

Question 7

Shigella

Answer 7

GN rid. Bloody diarrhea. Day care

Question 8

Salmonella enterica (serotype typhimurium)

Answer 8

Typhoid fever. Rose spots

Question 9

Vibrio vulnificus

Answer 9

Diarrhea or death with liver disease. Raw oysters

Question 10

Bactericides

Answer 10

GN rod. Intra-abdominal abscesses. Through broken mucosal surfaces. Obligate anaerobe rod

Question 11

Pseudomonas aeruginosa

Answer 11

Obligate aerobe. Blue/green on agar with fruity smell. Multi drug resistance. Biofilms. Opportunistic pathogen

Question 12

Klebsiella pneumoniae

Answer 12

Opportunistic pathogen. In alcoholics and malnourished.

Rod

Causes currant jelly sputum

Question 13

Neisseria meningitides

Answer 13

Kissing kidney bean. Meningitis.

Prerequisite nasopharyngeal colonization

Question 14

What phase of bacterial growth does spore production occur?

Answer 14

The stationary phase

Question 15

What are Koch’s postulates?

Answer 15

1. The microbe must be present in all disease cases
2. It must be isolated from infected host and grown in pure culture
3. Disease is reproduced when pure colony is given to new host
4. Microbe must be isolated from intentionally infected host

Question 16

What bacteria are alpha hemolytic?

Answer 16

Strep pneumoniae. Viridans strep

Question 17

Strep pyogenes

Answer 17

Group A strep. Pharyngitis, cellulitis, necrotizing fasciitis, scarlet fever, TSS, rheumatic fever. Acute glomerulonephritis

Question 18

Strep pneumoniae

Answer 18

Alpha hemolytic. Meningitis, otitis media. Diplococci

Question 19

Enterococcus so

Answer 19

Group D strep. Blood stream infections (line related) endocarditis, hospital UTIs

Question 20

Bacillus anthracis

Answer 20

GP rod. Spores. Either inhaled or cutaneous( dark spots surrounded with red, eschar). AB toxin.

Question 21

Corynebacterium diptheriae

Answer 21

Gram positive. Non-spore forming rod. AB toxin. Pseudomembrane

Question 22

Enterohemorrhagic E. Coli (EHEC)

Answer 22

GN rod. From undercooked meat. Antibiotics contraindicated. Toxin. Hemorrhagic colitis

Question 23

Vibrio parahaemolyticus

Answer 23

GN rod. Raw seafood (especially oysters). Diarrhea

Question 24

Haemophilus influenzae

Answer 24

GN rod. Epiglottis. Meningitis (capsule)

Question 25

Sporotrichosis

Answer 25

Rose garden fungus