BACTE LEC: ME KLEBSIELLA

Question 1

This bacterial genus belongs to the Enterobacteriaceae family and includes at least four species.

Answer 1

Klebsiella

Question 2

A species of Klebsiella that is a common pathogen in animals.

Answer 2

Klebsiella pneumoniae

Question 3

This bacterium is an occasional commensal in the intestine but rarely causes disease there.

Answer 3

Klebsiella pneumoniae

Question 4

Klebsiella pneumoniae can invade the reproductive tract of these animals.

Answer 4

Mares, cows, bitches

Question 5

A historical synonym for Klebsiella pneumoniae.

Answer 5

Friedlander’s bacillus

Question 6

This disease in foals is caused by Klebsiella pneumoniae and involves pus formation.

Answer 6

Suppurative infections

Question 7

A condition in mares caused by Klebsiella pneumoniae that affects the uterus.

Answer 7

Metritis

Question 8

This material, often used as bedding for cattle, is associated with Klebsiella-related mastitis outbreaks.

Answer 8

Wood shavings

Question 9

The staining reaction and morphology of Klebsiella species.

Answer 9

Gram-negative, encapsulated rods

Question 10

Klebsiella species are distinguished from other Enterobacteriaceae by their lack of this motility structure.

Answer 10

Flagella

Question 11

Klebsiella colonies on agar appear as moist, spreading, and very viscous due to this feature.

Answer 11

Capsule production

Question 12

This biochemical test for glucose fermentation is positive in Klebsiella due to a plasmid-encoded trait.

Answer 12

Lactose fermentation

Question 13

A facultative anaerobic trait of Klebsiella, indicated by negative oxidase test and use of tartrate and malonate.

Answer 13

Oxidase negative, tartrate and malonate positive

Question 14

Klebsiella pneumoniae produces this gas and enzyme, both of which are useful for its identification.

Answer 14

Hydrogen sulfide (H2S) and urease

Question 15

This antigenic structure of Klebsiella consists of at least 82 capsular types.

Answer 15

Capsular antigen (K antigen)

Question 16

This antigen type in Klebsiella is composed of heat-stable polysaccharides.

Answer 16

Capsular antigen

Question 17

Klebsiella pneumoniae infections are common in these hospital-acquired cases in small animals.

Answer 17

Nosocomial infections

Question 18

A severe infection caused by Klebsiella in dairy cows, often within a few days of calving.

Answer 18

Coliform mastitis

Question 19

A common symptom of Klebsiella mastitis in cows, characterized by swelling, redness, and fluid secretion.

Answer 19

Udder hyperemia and edema

Question 20

Klebsiella pneumoniae strains found in mares with metritis predominantly belong to these capsular types.

Answer 20

Capsular types 1, 5, and 7

Question 21

Infected stallions can transmit Klebsiella pneumoniae to mares, but they usually clear the infection within this time frame.

Answer 21

10-12 days

Question 22

This antibiotic is usually ineffective against Klebsiella due to intrinsic resistance.

Answer 22

Ampicillin

Question 23

This beta-lactam antibiotic is commonly used for treating Klebsiella-related urinary tract infections in dogs.

Answer 23

Cephalexin

Question 24

The diagnostic feature of Klebsiella on agar plates, characterized by its very mucoid colony form.

Answer 24

Encapsulated, mucous-like colonies

Question 25

A zoonotic species of Klebsiella that can cause respiratory infections in humans.

Answer 25

Klebsiella pneumoniae

Question 26

Klebsiella pneumoniae is often associated with this life-threatening complication in humans.

Answer 26

Hospital-acquired pneumonia

Question 27

Klebsiella infections in humans are commonly linked to this predisposing factor.

Answer 27

Immunosuppression

Question 28

Klebsiella pneumoniae is a major cause of this type of wound infection in surgical patients.

Answer 28

Nosocomial surgical site infections

Question 29

The presence of this virulence factor allows Klebsiella to evade the immune response.

Answer 29

Polysaccharide capsule

Question 30

A laboratory test that detects the presence of Klebsiella’s mucoid capsule.

Answer 30

String test

Question 31

Klebsiella pneumoniae is commonly found in these environments outside of a host.

Answer 31

Soil and water

Question 32

This enzyme produced by some Klebsiella strains leads to resistance against carbapenems.

Answer 32

Carbapenemase

Question 33

Klebsiella pneumoniae is often implicated in this severe lung condition in humans.

Answer 33

Necrotizing pneumonia

Question 34

The presence of hypermucoviscosity in Klebsiella is associated with this syndrome.

Answer 34

Hypervirulent Klebsiella syndrome

Question 35

Klebsiella species can cause this type of liver abscess in immunocompromised patients.

Answer 35

Pyogenic liver abscess

Question 36

One of the main reservoirs for Klebsiella in veterinary hospitals.

Answer 36

Contaminated medical equipment

Question 37

Klebsiella can be transmitted to humans through direct contact with this.

Answer 37

Contaminated surfaces

Question 38

This metabolic test differentiates Klebsiella from E. coli due to a negative result.

Answer 38

Methyl red test

Question 39

Klebsiella is positive for this biochemical test that detects acetoin production.

Answer 39

Voges-Proskauer test

Question 40

The ability to ferment lactose makes Klebsiella appear in this color on MacConkey agar.

Answer 40

Pink colonies

Question 41

Klebsiella infections in the urinary tract can lead to this condition in dogs.

Answer 41

Cystitis

Question 42

Klebsiella pneumoniae is commonly involved in this reproductive disorder in cows.

Answer 42

Endometritis

Question 43

Klebsiella species have been associated with severe outbreaks of this disease in goats.

Answer 43

Pneumonia

Question 44

This type of inflammation is commonly seen in Klebsiella infections of the lungs.

Answer 44

Fibrinosuppurative pneumonia

Question 45

The natural habitat of Klebsiella, where it can persist outside of a host for extended periods.

Answer 45

Soil and decaying vegetation

Question 46

Severe cases of Klebsiella pneumoniae infection in cows may lead to this outcome.

Answer 46

Septicemia

Question 47

This term describes the tendency of Klebsiella colonies to produce thick, sticky mucus.

Answer 47

Hypermucoviscosity

Question 48

Klebsiella pneumoniae is a known cause of this severe post-partum condition in cows.

Answer 48

Coliform mastitis

Question 49

Wood-based bedding materials in dairy farms may harbor high levels of this bacterium.

Answer 49

Klebsiella pneumoniae

Question 50

Klebsiella has been isolated from infections in these small companion animals.

Answer 50

Dogs and cats

Question 51

This test determines the ability of Klebsiella to resist serum bactericidal activity.

Answer 51

Serum resistance assay

Question 52

The ability of Klebsiella to cause severe systemic infections is linked to this resistance trait.

Answer 52

Multidrug resistance

Question 53

This environmental factor contributes to an increase in Klebsiella populations in sawdust bedding.

Answer 53

Moisture

Question 54

Klebsiella’s capsule allows it to avoid this immune system defense mechanism.

Answer 54

Phagocytosis