Gram -ive Bacteria , Part 2

Question 1

Bacteria can be detected by stool specimen , and cultured on MacConkey Agar media for isolation

Answer 1

Escherichia Coli

Question 2

Which the type of E.Coli that Cause haemolytic uremic syndrome and sudden kidney failure

Answer 2

Enterhemorrhagic E.Coli

Question 3

What type of E.Coli that is identical to shigellosis and just affect humans only

Answer 3

Enteroinvasive E.Coli

Question 4

Bacteria cause Traveler’s dirarrhea

Answer 4

Enterotoxigenic E.Coli

Question 5

Non lactose fermentative , can survive weeks outside a living body

Answer 5

Enteric Straight Rod Bacteria , called Salmonella

Question 6

✔️ or ✖️\
Salmonella is destroyed after beating heated to 55C for 1 hour , or 65C for 1/2 hour ,

Answer 6

False , 1/2 hour heated required 60C

Question 7

✔️ or✖️\
Quinolones (eg. Ciprofloxacin) can reduce duration of pneumonia , but its use is controversial because of antibiotic resistance.

Answer 7

✖️

Ciprofloxacin is reducing duration agent for shegallosis (sheglla bacteria)

Question 8

✔️or✖️
Non-lactose fermenters are non-coliformes

Answer 8

✔️

Question 9

What are the bacterias that don’t do lactose fermentation

Answer 9

E.Coli
Citrobacter
Enterobacter
Kelbsiella

Question 10

What is the causative gent of plague

Answer 10

Yersinia pestis

Question 11

What is the vector of Yersinia

Answer 11

Rat Flea(جرذ البرغوث)

Question 12

Antimicrobial drugs
Used in

Gram +ive sporing Rod Bacillus

Yersinia(Gram -ive straight Rods)

Neisseria gonorrhoeae (Gram -ive Cocci)

Vibrio Cholera (Enteric Curved Rods bacteria)

Answer 12

Tetracycline

Question 13

main causes of bacterial foodborne disease in many
developed countries .

Answer 13

Campylobacter
(Enteric Curved Rods bacteria)

Question 14

Have A subunit that activates adenylate cyclase which at the end lead to
metabolic acidosis, hypovolemic shock

Answer 14

Vibrio Cholera

Question 15

Can grow in the presence of low oxygen tension, i.e., 5-10% O2

Answer 15

Campylobacter (Microaerophilic bacteria)

Question 16

damage GIT cells.

produce a toxin that may cause diarrhea

Is the characteristic Pathogenesis of which Enteric Curved bacteria

Answer 16

Campylobacter

Question 17

✔️or✖️

The Complications of Helicobacter pylori are :

Guillain-Barré syndrome
Reactive arthritis

Question 18

Gram-negative bacteria is

-Microaerophilic, 37°Cgrowth
-produces urease, oxidase, catalase

Answer 18

Helicobacter pylori

Question 19

What is the treatment f H pylori bacteria

Answer 19

Omeprazole
(Amoxicillin + Clarithromycin)

Question 20

Bordetella Pertussis cause of
Acute epiglotitits , otitis media , pediatric meningitis ,

✔️or✖️

Answer 20

✖️
Haemophilus influenzae

Question 21

Inhibit water cooling system and air conditioning plants
More severe in : smokers ,alcoholics, diabetes and immunocompromised patients

Answer 21

Legionella pneumophila

Question 22

Treponema , Borrelia , Leptospira Are :

Answer 22

Spiral Gram Negative Bacteria