micro biology test 4

63 terms by MattDuckworth 

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Greek word staphyle means

Bunch of grapes

Genera staphylococcus belongs to

Pyogenic

Pyogene

Producer of pus

Two genera of staphylococcus

Streptococcus, neisseria

Halophilic

Salt lover

Sodium chloride concentrations staphloccus can survive in

7.5%-20.2%

Staphylococcus aureus minor infections

Pimples and boils, wounds, impetigo, lesions, sore throats

Streptococcus viridians

Mainly habitants of the respiratory tract.
Not usually Pathogenic.
Leading cause of bacterial endocarditis

Streptococcus lactia

Characterized by variable Hemolysis.
Has commerical value as this organism can be found in milk and milk products

Streptococcus pneumonia appears as

Gram (+), in pairs, singly, or in short chains

Streptococcus pneumonia

When this organism grows to such a large proportion in the lungs, the patient can actually drown from the production of too much liquid in their lungs.

Neisseria

Gram (+) occurring in pairs or singularly with the appearance of a coffe bean.

Neisseria gonorrhea street names

Drip, strain, clap, dose/puse, nail

Neisseria gonorrhea are

Non-motile, non-sporulating organisms.

Fomite

Any substance that absorbs and transmits infectious material

Neisseria grows well on

Modified thayer-martin (mtm)

Bacillus anthracis

Chief human pathogen; seldom seen in the average hospital or lab.

Koch

First to demonstrate anthrax as a specific organism

Pastereur

Founded the first bacterial vaccine for an infectious disease

Anthrax is also known as

Ragpickers diease

Cutaneous anthrax

Most common form seen in the us.
Goes from lesions to papule necrotic ulcer.

Pulmonary anthrax

Affects the lungs and pleura.
runs a rapid course and ends in fatality

Clostridium

All are motile by means of peritrichous flagella with the exception of c perfingens

3 types of clostridium

c tetani, c perfingens, c botulinum

Clostridium perfringens

Usually boxcar shaped
Usually produces a double zone of beta hemolysis

Clostridium botulinum type A

Most potent toxin kown to man

Corynebacterium

Resemble Chinese letters and palisades, and widely distributed in nature

Corynebacterium is the causative agent of

Diphtheria

Eschericheria

Intestinal inhabitant, usually causes gastroenteritis

Major cause of nosocomial infections

Escherichia, klebsiella, and enterobacter

Typhoid

Caused by s. typhii

Signs of salmonella typhoid

Rose spots on abdomen

Food products concerned with salmonelloses

Fish, meat, fowl and eggs, and dairy products that have been improperly cooked

Proteus

Noted for swarming growth on media

3 types of vibrio

V. cholerae, V. parahaemolyticus, V. El Tor

Vibrio Cholera incubation period

2-5 days in small bowel

Vibrio Cholera looks like

Comma or S- shaped, can form filaments

Vibrio cholera can remain viable for

7-10 days on cool moist fruits and vegetables

Symptoms of vibrio cholera

Rice, watery stools

Where Pseudomonas aeruginosa grows well

on floors, A/C vents, soaps, antiseptics; almost anywhere

Pseudomonas smells

Grape like odor

Meliodosis

Acute form of pneumonia containing multiple abscesses, with septicemia and possibly death

Pathogenic spirochetes

Borrelia, treponema, leptospira

How spirochaetaceae moves

Bundle of fibers called axial filament attached at the cell poles and wrapped around the cell in a spiral fashion

Serologic tests for syphilis

Non-treponemal, treponemal

Non treponemal

Can cause false positives in patients with other infectious diseases

Mycoplasmataceae

Require cholesterol for growth

Mycoplasma

Most significant for humans, causative agent of primary atypical pneumonia

Ureaplasma urealyticum

Causative of non-gonococcal urthritis in males

Species of chlamydia

C. trachomatis. C. Pneumonia, C. Psittaci

Endemic Trachomatis

A repetitive conjunctival infection ultimately leading to blindness and associated with A-C

Chlamydia

Estimated that 70% of woman and 50% of men are asymptomatic

Chlamydia psittaci

Epidemic of all bird species and human acquire it from inhalation of aerosols

Mycobacterium

Hard to stain due to lipids, one of the stains are Zielh neelsen

Mycobacterium tuberculosis

Primary site of infections is the lungs

Mycobacterium bovis

Pasteurization kills is

Rickettsia

Has all the components for reproduction except energy

Rickettsia Prowazeki

causes endemic typhus

Rickettsia rickettsii

causes rocky mountain spotted fever

Rapid plasma reagin test

Nontreponemal testing procedure for serological testing of syphilis

Reagin

Antibody-like substance present in the serum

RPR test materials

18 gauge needle w/o bevel and plastic bottle

Qualitative procedure

Rotate card for 8mins at 100 rpm

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