Bacteriology: Gram +

1. What is the shape of staphylococcus?

Bunches of round grapes

Round and in chains

Rectangular

Pleomorphic

Spiral

2. What are the colors of gram stain?

Gm +: brown; gm -: red

Gm +: purple; gm -: red

Gm + red; gm-: purple

Gm +: colorless; gm -: purple

None of the above

3. True or false: staphyloccoccus is a commensal of the upper respiratory tract/skin and can live on inanimate environments

True

False

4. True or False: Listeria is motile?

True

False

5. What is the correct lab diagnosis interpretation of hemolysis of streptococcus?

Alpha: no hemolysis, beta: partial; gamma: complete

Alpha: partial; beta: none; gamma: complete

Alpha: complete; beta: partial; gamma: none

Alpha: partial; beta: complete; gamma: none

Alpha: complete; beta: none; gamma: partial

6. Which organism's toxin has retrogade intra-axonal transport along peripheral nerve to terminal of inhibitory interneuron?

Streptococcus

Staphlyococcus

Clostridium botulinum

Clostridium tetani

Bacillus anthracis

7. What is the gm + spore former whose spores are infectious? What is the virulence factors?

Clostridrium; evade immune system and damage host (toxin)

Cornebacterium; mediate attachment and damage host

Bacillus anthracis; evade immune system and damage host (toxin)

Mycobacterium tuberculosis; evade immune system and suppress immune system

None of the above

8. E. colli, klebsiella, proteus, pseudomonas, pasteurella, and salmonella are what type of bacterial pathogen

Gm + aerobes

Gm + anaerobes

Gm - aerobes

Gm - anaerobes

None, they are acid fast stained

9. Clostridium is a gm + large rod; obligate anaerobes that form spores. Both types have a potent exotoxin. Which has 8 types with different antigenicity and potency, making prevention difficult due to different antigenicty and potency

C. bacillus

C. rhodoccus

C. tetani

C. botulinum

C. tuberculosis

10. What bacteria is the most important pathogen to causes a urticarial form in swine, vegetative endocarditis form in swine/birds/dogs, acute septicemia in turkey/geese/marine mammals, and polyarthritis in ruminants?

Erysipelothrix rhusiopathiae

Listeria

Mycobacterium avium ssp paratuberculoses

Staphylococcus aureus

None of the above

11. What is the process of transferring drug resistance via plasmids from one bacteria to another

Transformation

Transduction

Conjugation

Transposition

Mitosis

12. What causes strawberry foot rott? It is a pleomorphic beaded chain gm + actinomycetes found on the foci of infection on carrier animals or within scabs

A. bovis

Dermatophilus congolensis

Nocardia asteroides

A. viscosis

Arcanobacterium pyogenes

13. What organism is a gram positive pleomorphic coccobacillus that lives in the soil and manure on horse farms and in horse GIT? It is mostly transmitted by inhalation and or ingestion of dust.

Staphylocccus intermedius

Streptococcus equi spp equi

Streptococcus equi spp zooepidemicus

Rhodococcus equi

None of the above

14. Mycobacterium is an acid fast rod that has cell walls that are rich in mycolic acid. True or false: species of mycobacterium are known to cause: consumption, pearl disease, johnes disease, feline leprosy, and abortions

True

False

everything but abortions is correct

Explanation

everything but abortions is correct

15. What are the forms of listeria?

Visceral, neural, abortion, conjunctivitis

Visceral, neural, fetal

Neural, lymphatic, systemic

All of the above

None of the above

16. What antimicrobial drugs target DNA gyrase?

Rifampin

Aminoglycosides

Polymyxins

Quinolones

Sulfonamides

17. Which antimicrobial irreversibly binds 30S?

Aminoglycosides

Tetracyclines

Chloramphenicol

Macrolides

Lincosamides

18. What causes Johnes disease

Mycobacterium tuberculosis

M. bovis

M. leproaemurium

M. avium spp avium

M. avium spp paratuberculosis

19. Erysipelothri rhusiopathiae causes what in swine?

Pizzle rot

Strawberry foot

Diamand back disease

Cellulitis

Septicemia

20. Which gram + filamentous branching rod is carried by fox tail? It causes cutaneous pyogranulamatous, pyothorax, osteomylitis

Arcanobacterium pyogenes

Nocordia ateroides

Actinobaculum suis

Actinomyces bovis

Actinomyces hordeovulnaris

21. Cornebacterium is a gram + pleomorphic rod. What pathogenesis does the C. renale group have?

Onion like abscess

Ulcerative lymphangitis

Flaccid paralysis

Ulcerative balanoposthis (pizzle rot)

All the above

22. Actiniomycetes is a gram + microorganism. Which small pleomorphic rod causes cystitis and is a commensal of preputial mucosa?

Arcanobacterium pyogenes

Nocordia ateroides

Actinobaculum suis

Actinomyces bovis

Actinomyces horderovulnaris

23. What is the most common pyogenic agent in dogs that causes pyoderma, otititis externa, respiratory tract infection, and infection of bones, joints, wounds?

Streptococcus pyogenes

Staphlococcus aureus

Staphlococcus hyicus

Listeria

None of the above

staphlococcus intermedius

Explanation

staphlococcus intermedius

24. Streptococcus is a gm + cocci thta causes a pyogenic infection at any body site. Which streptococcus(es) is/are contageous?

S. Dysgalactiae spp equisimilis

S. equi spp equi

S. equi spp zooepidemicus

S. porcinus

S. canis

Submit

Bacteriology: Gram +

1. What is the shape of staphylococcus?

2.

What first name or nickname would you like us to use?

2. What are the colors of gram stain?

3. True or false: staphyloccoccus is a commensal of the upper respiratory tract/skin and can live on inanimate environments

4. True or False: Listeria is motile?

5. What is the correct lab diagnosis interpretation of hemolysis of streptococcus?

6. Which organism's toxin has retrogade intra-axonal transport along peripheral nerve to terminal of inhibitory interneuron?

7. What is the gm + spore former whose spores are infectious? What is the virulence factors?

8. E. colli, klebsiella, proteus, pseudomonas, pasteurella, and salmonella are what type of bacterial pathogen

9. Clostridium is a gm + large rod; obligate anaerobes that form spores. Both types have a potent exotoxin. Which has 8 types with different antigenicity and potency, making prevention difficult due to different antigenicty and potency

10. What bacteria is the most important pathogen to causes a urticarial form in swine, vegetative endocarditis form in swine/birds/dogs, acute septicemia in turkey/geese/marine mammals, and polyarthritis in ruminants?

11. What is the process of transferring drug resistance via plasmids from one bacteria to another

12. What causes strawberry foot rott? It is a pleomorphic beaded chain gm + actinomycetes found on the foci of infection on carrier animals or within scabs

13. What organism is a gram positive pleomorphic coccobacillus that lives in the soil and manure on horse farms and in horse GIT? It is mostly transmitted by inhalation and or ingestion of dust.

14. Mycobacterium is an acid fast rod that has cell walls that are rich in mycolic acid. True or false: species of mycobacterium are known to cause: consumption, pearl disease, johnes disease, feline leprosy, and abortions

15. What are the forms of listeria?

16. What antimicrobial drugs target DNA gyrase?

17. Which antimicrobial irreversibly binds 30S?

18. What causes Johnes disease

19. Erysipelothri rhusiopathiae causes what in swine?

20. Which gram + filamentous branching rod is carried by fox tail? It causes cutaneous pyogranulamatous, pyothorax, osteomylitis

21. Cornebacterium is a gram + pleomorphic rod. What pathogenesis does the C. renale group have?

22. Actiniomycetes is a gram + microorganism. Which small pleomorphic rod causes cystitis and is a commensal of preputial mucosa?

23. What is the most common pyogenic agent in dogs that causes pyoderma, otititis externa, respiratory tract infection, and infection of bones, joints, wounds?

24. Streptococcus is a gm + cocci thta causes a pyogenic infection at any body site. Which streptococcus(es) is/are contageous?