MICRO 1 Lecture Chapter 17

Neisseria spp. Are anaerobic, non-motile, non-spore-forming gram-positive diplococci. Neisseria bacilliformis is rod-shaped.
BOTH STATEMENTS ARE TRUE
BOTH STATEMWNTS ARE FALSE
The FIRST Statement is TRUE. The Second Statement is FALSE.
THE FIRST STATEMENT IS FALSE. THE SECOND STATEMENT IS TRUE.
None of the above
All spp. of Neisseria are cytochrome-oxidase and catalase-oxidase positive EXCEPT:
A. N. elongata
B. N. bacilliformis
Both A&B
None of the above
Many Neisseria spp, are capnophilic. True or false?
True
False
____________ may be found as commensal inhibatiant of the upper respiratory tract of its carriers, but it can also become an invasive pathogen.
N. gonorrhoeae
N. meningitidis
N. elongata
None of the above
Newborns can acquire this disease during vaginal delivery through an infected birth canal.
Gonococcal ophthalmia neonatorum
Pelvic inflammatory disease
Perihepatitis
Fitz-Hugh-Curtis syndrome
Humans and dogs are the only natural host for N. gonorrhoeae. Gonorrhea was also called the "clap" from the French word "clapoir"
BOTH STATEMENTS ARE TRUE
BOTH STATEMENTS ARE FALSE
THE FIRST STATEMENT IS TRUE. THE SECOND STATEMENT IS FALSE.
THE FIRST STATEMENT IS FALSE. THE SECOND STATEMENT IS TRUE.
Which among the following DO NOT USE IRON FOR METABOLISM?
A. Receptors of human transferrin
B. Capsule
Both A&B
None of the above
Protein I (Por) is for forming channels for nutrients to pass in and waste to exit the cell. What is the function of Protein II (Opa)?
For opacity
Reduction modified protein
IgA inactivation
Adherence
What is the specimen of choice in identifying N. Gonorrhoeae in males?
Endocervical swab
Urethral swab
Anal swab
None of the above
Aside from purulent discharge, what is the most common manifestation of Gonorrheal infection in males?
Dysuria
Polyuria
Hematuria
Anuria
N. Gonorrhoeae typically does not grow on SBA. The medium of choice of cultivation is CHOC Agar.
BOTH STATEMENTS ARE TRUE
BOTH STATEMENTS ARE FALSE
THE FIRST STATEMENT IS TRUE. THE SECOND STATEMENT IS FALSE.
THE FIRST STATEMENT IS FALSE. THE SECOND STATEMENT IS TRUE.
Which reagent makes CHOC selective.
Isovitale X & Trimethroprim
Isovitale X
Isovitale X with Trimethoprim & Vancomycin
None of the above
A Gram stain with more than 5 Polymorpho nuclear neutriphils per field but with no bacteria suggests nongonococcal urethrits with what organisms?
A. Chlamydia trachomatis
B. Ureaplasma urealyticum
Both A&B
None of the above
Neisseria spp. Are usually incubated in a CO2 generating pouch known as?
Gas Pak
JEMBEC
All of the above
None of the above
The following colony types of Neisseria gonorrhoeae have pili and are virulent EXCEPT:
A. T1
B. T2
C. T3
D. T4
Both A&B
Both C&D
What is usually added to differentiate N. Gonorrhoeae from gram-negative rods?
10-unit penicillin disk
15-unit penicillin disk
5-unit penicillin disk
None of the above
Of the 12 meningococcal encapsulated serogroups, which of this/these account/s for most cases of disease in the world?
A. Serogroup A
B. Serogroup B
C. Serogroup C
D. Serogroup Y
E. Serogrup W-135
F. All of the above
Waterhouse-Friedrichsen syndrome is manifested by which symptom?
Disseminated intavascular coagulation
Adrenal hemorrhage
Meningitis
Septicemia
What are the less common specimen of collection for N. meningitidis?
A. Sputum
B. Urogenital swab
C. CSF
D. Synovial fluid
Both A&B
Both C&D
Which among the following gives a "wagon-wheel" appearance on its older colonies?
N. cinerea
N. meningitidis
N. gonorrhoeae
None of the above
Moraxella catarrhalis is assacharolytic. It may be differentiated from Neisseria spp. By negative DNase and butyrate esterase reactions.
BOTH STATEMENTS ARE TRUE.
BOTH STATEMENTS ARE FALSE.
THE FIRST STATEMENT IS TRUE. THE SECOND STATEMENT IS FALSE.
THE FIRST STATEMENT IS FALSE. THE SECOND STATEMENT IS TRUE.
It is the only Neisseria spp. That uses lactose.
N. lactamica
N. sicca
N. weaveri
N. mucosa
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