M6: Microbiology, Parasitology, and Public Health - Bacteriology - Part 4 - Gram Negative Cocci and Cocobacilli

True about Nesisseria:

a. Kidney shaped diplococci

b. Catalase positive

c. Oxidase negative

d. a and b

e. b and c

f. All

f. All

Can ferment glucose.

a. Neisseria gonorrhea

b. Neisseria meningitidis

a. Neisseria gonorrhea

Can ferment glucose and maltose.

a. Neisseria gonorrhea

b. Neisseria meningitidis

b. Neisseria meningitidis

Used for isolation of sterile specimen of Neisseria from cerebrospinal fluid wherein it will produce black colonies.

a. Chocolate Agar Plate

b. Thayer Martin Agar

a. Chocolate Agar Plate

Used for isolation of non-sterile specimen of Neisseria from genital discharge.

a. Chocolate Agar Plate

b. Thayer Martin Agar

b. Thayer Martin Agar

In non-sterile Neisseria isolation, Vancomycin kill:

a. Gram positive

b. Gram negative

c. Both

d. Neither

a. Gram positive

In non-sterile Neisseria isolation, Colistin kill:

a. Gram positive

b. Gram negative

c. Both

d. Neither

b. Gram negative

Modified Thayer Martin Agar include:

a. Chocolate agar plate

b. Vancomycin

c. Trimethoprim

d. a and b

e. All

e. All

Gonococcus which can cause genital gonorrhea, ophthalmia neonatorum, and disseminated infection.

a. Neisseria gonorrhea

b. Neisseria meningitidis

c. Haemophilus influenzae

d. Haemophilus ducreyi

a. Neisseria gonorrhea

Neisseria gonorrhea virulence factor:

a. Pili

b. PPNG

c. Lipooligosaccharide

d. a and b

e. All

e. All

PPNG - Penicillinase Producing N. Gonorrhea

Genital gonorrhea in men:

a. Discharge

b. Dysuria

c. Urethritis

d. a and b

e. All

e. All

Genital gonorrhea in female:

a. Asymptomatic

b. Ascending

c. May cause pelvic inflammatory disease leading to scarring and eventually infertility

d. a and b

e. All

e. All

Drug for all Neisseria species.

a. Ceftriaxone

b. Doxycyline

c. Penicillin

d. Ampicillin

a. Ceftriaxone

IM single dose is combined with doxycycline BID for 7 days for the treatment of genital gonorrhea.

a. Ceftriaxone

b. Cefuroxime

c. Penicillin

d. Ampicillin

a. Ceftriaxone

Specifically for containment of chlamydia infection:

a. Ceftriaxone

b. Cefuroxime

c. Penicillin

d. Ampicillin

e. Doxycycline

e. Doxycycline

Ophthalmia neonatorum is an infection by Neisseria gonorrhea acquired via passage through infected vaginal canal. Prophylaxis is:

a. Ceftriaxone

b. Erythromycin

c. Silver nitrate

d. Ampicillin

e. Doxycycline

b. Erythromycin

Silver nitrate is used before.

Disseminated gonococcal infection may include

a. Arthritis

b. Dermatitis

c. Both

d. None of these

c. Both

Arthritis without sexual contact is most likely caused by infection with:

a. S. aureus

b. N. gonorrhea

c. H. inluenzae

d. Chlamydia

e. C. difficile

a. S. aureus

Arthritis with sexual contact is most likely caused by infection with:

a. S. aureus

b. N. gonorrhea

c. H. inluenzae

d. Chlamydia

e. C. difficile

b. N. gonorrhea

Meningococcus containing capsule A, C, Y, W (135 pathogenic subgroups) and very potent lipooligosaccharide transmitted via droplet and its reservoir is the nares.

a. Neisseria gonorrhea

b. Neisseria meningitidis

c. Haemophilus influenzae

d. Haemophilus ducreyi

b. Neisseria meningitidis

Most common cause of meningitis in teenagers and young adults.

a. Neisseria gonorrhea

b. Neisseria meningitidis

c. Haemophilus influenzae

d. Haemophilus ducreyi

e. Staphylococcus aureus

b. Neisseria meningitidis

Most common cause of meningitis in elderly.

a. Neisseria gonorrhea

b. Neisseria meningitidis

c. Haemophilus influenzae

d. Haemophilus ducreyi

e. Staphylococcus aureus

e. Staphylococcus aureus

Meningococcemia caused by Neisseria meningitidis may include the following except:

a. Flu like symptoms

b. Wide spread thrombosis or disseminated intravascular coagulation

c. Waterhouse-Friedrichsen syndrome which is hemorrhage to the adrenals

d. Septic shock

e. None

d. None

May cause Waterhouse-Friedrichsen syndrome which is hemorrhage to the adrenals.

a. Neisseria gonorrhea

b. Neisseria meningitidis

c. Haemophilus influenzae

d. Haemophilus ducreyi

b. Neisseria meningitidis

May be manifested as characteristic rash, purpura fulminans.

a. Neisseria gonorrhea

b. Neisseria meningitidis

c. Haemophilus influenzae

d. Haemophilus ducreyi

b. Neisseria meningitidis

Treatment for meningococcemia

a. Penicillin

b. Chloramphenicol

c. Ceftriaxone

d. a and b

e. All

e. All

Prophylaxis for meningococcemia.

a. Penicillin

b. Chloramphenicol

c. Ceftriaxone

d. Rifampicin, Ciprofloxacin

e. All

d. Rifampicin, Ciprofloxacin

True about Haemophilus.

a. Blood loving

b. Isolated in chocolate agar plate

c. Both

d. None of these

c. Both

The Pfeiffer's bacilllus which is transmitted through droplets with its type B capsule as the most pathogenic virulent factor. It is prevented by Hib.

a. Neisseria gonorrhea

b. Neisseria meningitidis

c. Haemophilus influenzae

d. Haemophilus aegypticus

e. Haemophilus ducreyi

c. Haemophilus influenzae

Haemophilus influenza may cause the following except:

a. Community Acquired Pneumonia

b. Meningitis in infants and toddlers

c. Otitis media

d. Acute bacterial epiglottis

e. None

e. None

Number 2 cause of community acquired pneumonia.

a. Neisseria gonorrhea

b. Neisseria meningitidis

c. Haemophilus influenzae

d. Haemophilus aegypticus

e. Haemophilus ducreyi

c. Haemophilus influenzae

Most common cause of meningitis in neonates.

a. H. influenzae

b. E. coli and L. monocytogenes

c. N. meningitidis

d. S. pneumoniae

b. E. coli and L. monocytogenes

Most common cause of meningitis in teenagers and young adults.

a. H. influenzae

b. E. coli and L. monocytogenes

c. N. meningitidis

d. S. pneumoniae

c. N. meningitidis

Most common cause of meningitis in elderly.

a. H. influenzae

b. E. coli and L. monocytogenes

c. N. meningitidis

d. S. pneumoniae

d. S. pneumoniae

Number 2 cause of otitis media.

a. Neisseria gonorrhea

b. Neisseria meningitidis

c. Haemophilus influenzae

d. Haemophilus aegypticus

e. Haemophilus ducreyi

c. Haemophilus influenzae

Treatment for CAP caused by H. influenzae.

a. 2nd or 3rd gen cephalosporin + extended macrolides

b. 3rd gen cephalosporin

c. Amoxicillin

d. Chloramphenicol

a. 2nd or 3rd gen cephalosporin + extended macrolides

Treatment for meningitis caused by H. influenzae.

a. 2nd or 3rd gen cephalosporin + extended macrolides

b. 3rd gen cephalosporin

c. Amoxicillin

d. Chloramphenicol

b. 3rd gen cephalosporin

Treatment for otitis media caused by H. influenzae

a. 2nd or 3rd gen cephalosporin + extended macrolides

b. 3rd gen cephalosporin

c. Amoxicillin

d. Chloramphenicol

c. Amoxicillin

Treatment for acute bacterial epiglottis caused by H. influenzae.

a. 2nd or 3rd gen cephalosporin + extended macrolides

b. 3rd gen cephalosporin

c. Amoxicillin

d. Chloramphenicol

b. 3rd gen cephalosporin

Also known as Koch-Week's bacillus which can cause purulent conjunctivitis.

a. Neisseria gonorrhea

b. Neisseria meningitidis

c. Haemophilus influenzae

d. Haemophilus aegypticus

e. Haemophilus ducreyi

d. Haemophilus aegypticus

Treatment Haemophilus aegypticus infection.

a. 2nd or 3rd gen cephalosporin + extended macrolides

b. 3rd gen cephalosporin

c. Amoxicillin

d. Topical sulfonamide

d. Topical sulfonamide

Causes genital ulcer manifested as soft painful chancre.

a. Neisseria gonorrhea

b. Neisseria meningitidis

c. Haemophilus influenzae

d. Haemophilus aegypticus

e. Haemophilus ducreyi

f. Treponema pallidum

e. Haemophilus ducreyi

Treatment for Haemophilus ducreyi.

a. Azithromycin PO single dose

b. Ceftriaxone IM single dose

c. Both of these

d. None of these

c. Both of these

Zoonotic infection except:

a. Brucella abortus

b. Francisella tularensis

c. Pasteurella multocida

d. Bordotella pertussis

e. None

e. None

Most common source of brucella infection that binds to fetal bovine protein erythritol causing abortion.

a. Brucella abortus

b. Brucella melitensis

c. Brucella suis

d. Brucella canins

a. Brucella abortus

Brucella from goat and sheep.

a. Brucella abortus

b. Brucella melitensis

c. Brucella suis

d. Brucella canins

b. Brucella melitensis

Brucella from pigs.

a. Brucella abortus

b. Brucella melitensis

c. Brucella suis

d. Brucella canins

c. Brucella suis

Brucella from

a. Brucella abortus

b. Brucella melitensis

c. Brucella suis

d. Brucella canins

d. Brucella canins

May be transmitted by ingestion of unpasteurized dairy products or through direct contact to which butchers and veterinarians are at high risk.

a. Brucella

b. Francisella tularensis

c. Pasteurella multocida

d. Bordotella pertussis

a. Brucella

Can cause Bang's disease, malta fever, undulant fever.

a. Brucella

b. Francisella tularensis

c. Pasteurella multocida

d. Bordotella pertussis

a. Brucella

Treatment for brucella infection.

a. Penicillin

b. Amoxicillin

c. Tetracycline + Gentamicin

d. Ampicillin + Gentamicin

e. Streptomycin

c. Tetracycline + Gentamicin

Infection transmitted through contact with rabbits causing rabbit fever or tularemia.

a. Brucella

b. Francisella tularensis

c. Pasteurella multocida

d. Bordotella pertussis

b. Francisella tularensis

Treatment for infection of Francisella tularensis.

a. Penicillin

b. Amoxicillin

c. Tetracycline + Gentamicin

d. Ampicillin + Gentamicin

e. Streptomycin

e. Streptomycin

Infection that can be acquired from dog or cat scratch.

a. Brucella

b. Francisella tularensis

c. Pasteurella multocida

d. Bordotella pertussis

c. Pasteurella multocida

Treatment for infection with Pasteurella multocida.

a. Penicillin

b. Amoxicillin

c. Tetracycline + Gentamicin

d. Ampicillin + Gentamicin

e. Streptomycin

a. Penicillin

Isolated from Regan Lowe agar or potato blood glycerol agar wherein it will produce pearl like colonies.

a. Brucella

b. Francisella tularensis

c. Pasteurella multocida

d. Bordotella pertussis

d. Bordotella pertussis

Infection causes whooping cough.

a. Brucella

b. Francisella tularensis

c. Pasteurella multocida

d. Bordotella pertussis

d. Bordotella pertussis

Produce toxin that causes lymphocytosis.

a. Brucella

b. Francisella tularensis

c. Pasteurella multocida

d. Bordotella pertussis

d. Bordotella pertussis

Pertussis toxin that causes adhesion to cell.

a. Hemaglutinin

b. Tracheal cytotoxin

a. Hemaglutinin

Pertussis toxin that causes destroy the cilia.

a. Hemaglutinin

b. Tracheal cytotoxin

b. Tracheal cytotoxin

Treatment for infection with Bordotella pertussis.

a. Penicillin

b. Amoxicillin

c. Macrolides

d. Ampicillin + Gentamicin

e. Streptomycin

c. Macrolides