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

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?

Waterhouse-Friedrichsen syndrome is manifested by which symptom?

Disseminated intavascular coagulation

Adrenal hemorrhage

Meningitis

Septicemia

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

MICRO 1 Lecture Chapter 17

More Quizzes