gram negative

Question 1

Rickettsia: shape, (obligate yes or no), transmitted, causes?

Answer 1

-gram negative rod
-obligate intracellular parasite
-transmitted by insect and tick bites
-causes spotted fevers in humans

Question 2

Wolbachia: Shape?, Where do they live in?, what do they do?

Answer 2

Gram negative rods
live inside insects and invertebrates
can turn male insets into females

Question 3

Bordetella pertussis: shape, causes, what does it have?

Answer 3

gram negative coccobacillus, ENCAPSULATED
Whooping cough

Question 4

Bordetella Pertussis Virulence factors

Answer 4

Pertussis toxin: inhibits monocytes migration to infection
Tracheal cytotoxin- kills ciliated epithelial cells, accumulation of mucus
Pili- adhere to respiratory tract

Question 5

What is the trasmittion route of Bordetella pertussis

Answer 5

respiratory route

Question 6

How many stages are there in Bordetella Pertussis and what stage does the whooping cough start? What is the vaccine being used?

Answer 6

3 stages
second stage: Paroxysmal stage
SUBUNIT vaccine (DTap)

Question 7

What is Pseudomonas Aeruginosa resistant to and why

Answer 7

antibiotics, outer membrane contains porins that pump these chemicals, and grows inside disinfectant bottles

Question 8

What causes pneumonia, utis and infections in burns?

Answer 8

Pseudomonas Aeruginosa

Question 9

What does pseudomonas Aeruginosa secrete

Answer 9

blue green pigment

Question 10

Enterobacterial: shape? How many genera are there?

Answer 10

gram negative rods
7 genera

Question 11

What organism indicates fecal contamination in food and water

Answer 11

e.coli

Question 12

What causes travelers diarrhea and UTI’s?

Answer 12

E.coli

Question 13

what causes food poisioning due to undercooked poultry?

Answer 13

Salmonella enterica

Question 14

what shape is salmonella and o2 requirements

Answer 14

gram negative rods, facultative anerobe

Question 15

found in rodents and direct contact with fleas and can cause the bubonic plague

Answer 15

yersinia pestis

Question 16

What species causes meningitis in children under 6?

Answer 16

Hemophilus influenzae

Question 17

What are the culture requirement for Haemophilus influenzae ? and o2 requirements

Answer 17

,Requires blood to grow
X and v factors,

Question 18

what causes blindness in human and non-gonococcal uteritis (Std)

Answer 18

Chlamydia trachmotasis

Question 19

name two obligate intracellular parasites?

Answer 19

Chlamydia and ricketssia

Question 20

What species of spirochetes causes syphilis

Answer 20

Treponema Pallidium

Question 21

Spirochetes: shape__

Answer 21

gram negative helical rods

Question 22

All enterics are ____ anerobes, what are they?

Answer 22

facultative, e.coli, salmonella, yersinia

Question 23

What are the two gram negative spirals? o2 requirements?

Answer 23

Vibrio
Helicobacter
facultative anerobes

Question 24

What species of helicobacter causes gastritis and peptic ulcers? it can also cause stomach cancer

Answer 24

Helicobacter pylori

Question 25

how are spirochetes motile?

Answer 25

motile via axial filaments

Question 26

Name the gram negative cocci

Answer 26

Neisseria

Question 27

What gram negative rod is encapsulated

Answer 27

Bordetella pertussis