BACTE_H.aegyptius

Question 1

causative agent of acute and often purulent conjunctivitis, more commonly known as pink eye.

Answer 1

Haemophilus influenzae biogroup aegyptius (Hae)

Question 2

is otherwise known as Koch-Weeks Bacillus

Answer 2

Hemophilus aegyptius

Question 3

discovered independently by ____________ in the 1883.

Answer 3

Koch and Weeks

Question 4

also the causative agent of Brazilian Purpuric Fever.

Answer 4

Haemophilus aegyptius

Question 5

acute septicemic fulminant illness affecting children

Answer 5

Brazilian purpuric fever

Question 6

This disease usually occurs in hot climates characterized by concurrent conjunctivitis, high fever, vomiting, petechiae, purpura*, septicemia and shock with 70% mortality and death.

Answer 6

Brazilian purpuric fever

Question 7

(+ or -) in h. aegyptius
Capsule
Catalase
Gram Staining
Nitrate Reduction
Oxidase
Shape
Urease
V-factor requirement
Glucose
Alkaline Phosphatase
IgA1 protease
Neuraminidase

Answer 7

Capsule Negative (-ve)

Catalase Positive (+ve)

Gram Staining Gram-negative

Nitrate Reduction Positive (+ve)

Oxidase Positive (+ve)

Shape Long slender rods

Urease Positive (+ve)

V-factor requirement Positive (+ve)

Glucose Positive (+ve)

Alkaline Phosphatase Positive (+ve)

IgA1 protease Positive (+ve)

Neuraminidase Positive (+ve)

Question 8

chocolate agar for h.aegyptius is supplemented with:

Answer 8

1% IsoVitaleX

Question 9

Translucent, moist, flat, smooth and convex; produces a more grayish-appearing (grayish brown) colony” accompanied by “bleach-like” or “mousy” odor.

Answer 9

h. aegyptius

Question 10

h. aegyptius’ Local eye instillation of antibody drops or ointment:

Answer 10

Sulfonamides, Polymixin B & Gentamicin.

Question 11

Hemophilus aprophilus and Hemophilus paraprophylus have been combined into the same species and the name was changed into

Answer 11

Aggregatibacter aprophilus.

Question 12

HACEK group

Answer 12

(Hemophilus sp., Aggregatibacter, Cardiobacterium, Eikenella corrodens and Kingella kingae)

Question 13

resembles Hemophilus influenzae; a normal inhabitant of the human respiratory tract.

encountered occasionally in infective endocarditis and urethritis.

Answer 13

Hemophilus parainfluenzae

Question 14

the most markedly hemolytic organism of the group in vitro; occurs both in the normal nasopharynx.

Answer 14

Hemophilus haemolyticus

Question 15

requires X factor but not the V factor; found in dogs & not in humans

Answer 15

Hemophilus hemoglobinophilus

Question 16

a highly communicable and important pathogen cause of respiratory illness in humans. Causes “Whooping Cough”

Answer 16

Bordetella pertussis

Question 17

causes milder disease similar to Bordetella pertussis

Answer 17

Bordetella parapertussis

Question 18

causes disease in animals such as Kennel cough in dogs and snuffles in rabbits.

occasionally causes respiratory disease and bacteremia in humans, primarily immunocompromised hosts.

Answer 18

Bordetella bronchiseptica

Question 19

causes bacteremia, respiratory illness and arthritis.

Answer 19

Bordetella hinzii

Question 19

causes turkey coryza; a rare cause of respiratory illness in humans

Answer 19

Bordetella avium

Question 20

causes bacteremia among immunosuppressed patients

Answer 20

Bordetella holmesii

Question 21

causes wound infections and otitis media.

Answer 21

Bordetella trematum

Question 22

Smooth, convex colonies with pearl-like luster (resembling mercury droplets) on Bordet- Gengou Agar (BGA).

Answer 22

Bordetella pertussis

Question 23

Colony is similar to Bordetella pertussis on BGA but produces a brown pigment on the medium: produces larger colonies.

Answer 23

Bordetella parapertussis

Question 24

Smooth, raised, glistening colonies on BAP with hemolytic zones.

Answer 24

Bordetella bronchiseptica