Gram negative bacilli: Enteric tract

Question 1

Klebsiella pneumoniae
Enterobacter spp
Serratia marcescens

are all
—– infections
—– resistant
they most often cause —- and ——

Answer 1

• nosocomial infections
• Multidrug resistant
• pneumonia and UTI

Question 2

Klebsiella pneumoniae
Enterobacter spp
Serratia marcescens
can all ferment ——

Answer 2

lactose
(pink colonies on MacConkey agar)

Question 3

T or F
Enterobacter is motile

Answer 3

T

Question 4

Of the three:
Klebsiella pneumoniae
Enterobacter spp
Serratia marcescens
which is not motile

Answer 4

Klebsiella pneumoniae

Question 5

Serratia produces a —– pigment

Answer 5

red

Question 6

Klebsiella pneumonia commonly affects —–

Answer 6

Alcoholics

Question 7

Klebsiella p. commonly creates ——-

Answer 7

Abscesses

Question 8

Klebsiella is commonly started from ——

Answer 8

Aspiration

Question 9

Does klebsiella pneumonia have capsules??

Answer 9

Yes, polysaccharide capsules

Question 10

Patients infected with klebsiella pneumonia cough up—–

Answer 10

currant jelly sputum

Question 11

T or F
Klebsiella is urease positive

Answer 11

T

Question 12

Salmonella characteristics

Answer 12

• gram negative rod
• motile
• polysaccharide capsule
• Acid labile

Question 13

Salmonella is —– within macrophages

Answer 13

Facultative intracellular

Question 14

Invasive salmonella species cross the intestinal barrier via —–

Answer 14

M cells

Question 15

salmonella produces —– gas

Answer 15

hydrogen sulfide gas (H2S)

Question 16

On pectoin agar, salmonella forms —– colonies

Answer 16

black

Question 17

Typhoidal salmonella consists of 2 types which are:

Answer 17

• salmonella typhi
• salmonella paratyphi

Question 18

Nontyphoidal salmonella consists of two types which are:

Answer 18

• S. Enteriditis
• S. Typhimurium

Question 19

Salmonella can cause —- and —- illness

Answer 19

• water and food borne

Question 20

—- is the primary reservoir of nontyphoidal salmonella

Answer 20

Poultry

Question 21

T or F
Animal contact can cause nontyphoidal salmonella

Answer 21

T

Question 22

Illnesses caused by salmonella

Answer 22

• gastroenteritis
• bacteremia
• endovascular infection
• meningitis
• OM

Question 23

S and S of gastroenteritis

Answer 23

• Fever
• nausea
• vomiting
• diarrhea
• abdominal cramping

Question 24

Treatment of salmonella

Answer 24

• self limited
• ceftriaxone (3rd gen cephalosporins)