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Microbiology
Bacterial Micro
124
Other
Graduate
03/03/2007

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Term
Erythrogenic toxin
Definition
toxin produced by strains of streptococcus pyogenes responsible for scarlet fever.Causes pinkish-rash rash, strawberry tongue. Effected skin peels off like sunburn.
Term
Haemophilus influenzae
Definition
It is a streptococcus pneumoniae. It is gram (-), generally aerobic, but can grow as a facultative anaerobe. Unencapsulated (non-B type) causes otitis media and conjunctivitis infections and SINUSITIS in children, and is associated with pneumonia.
Term
Neisseria meningitis
Definition
MENINGOCOCCAL MENINGITIS. Stiff neck-pounding headache. Inhibits nasopharynx w/o symptoms. Most symptoms are thought to be due to EXOTOXIN. Rash is bright red pates to blue-black spots. Death->2 HOURS.
Term
Waterhouse-Friderichsen Syndrome
Definition
Caused by Neisseria meningitis--MENINGOCOCCAL meningitis. Causes LESIONS IN THE ADRENAL GLAND.
Term
Treatment of Neisseria meningitis--MENINGOCOCCAL meningitis.
Definition
Prompt treatment with chemotherapy before identification and Broad Spectrum Cephalosproins. Generally hard to treat.
Term
Streptococcus pneumoniae
Definition
Streptococcus pyogenes, causing upper respiratory tract pharyngitis, laryngitis, and tonsillitis. Causes Pneumococcal pneumonia**
Term
Mycoplasma pneumoniae
Definition
Causing primary atypical pneumonia. No cell wall- PLEOMORPHI (takes any shape). Doens not grow in normal conditions for bacteria and is, therefore, confused with viral pneumonia. Rarely even develops pneumonia, or with mild symptoms. Penicillin is NOT EFFECTIVE, since it targets cell wall.
Term
Klebsiella Pneumonia
Definition
Nosocomial. Occurs with compromised naturally defenses- alcoholism, emphysema, diabetes.
Term
Serratia Pneumonia
Definition
Caused by Serratia Marcescens. Nosocomial.
Term
Streptoccoccus Pneumonia Meningitis
Definition
Inhibits Nasophayrnx. Common in children 1 month-4 yrs, and elderly. Can lead to meningitis. This streptococcus has same properties as diplococcus.
Term
Pink eye
Definition
can be cause by Haemophilus influenza meningitis
Term
Haemophilus influenzae TYPE B
Definition
Causes meningitis, HIB dz. This type is most important, infecting children under 4 yrs, and most prevalent at 6 months. Invasion usually follows a viral infection. Vaccination should be given at 2 months.
Term
Legionellosis
Definition
Caused by Legionella pneumophilia. High fever, cough, symptoms of pneumonia. VERY HIGH mortality. no person to person transmission. Isolated from natural water. It is resistant to cholorine. Legionella=amoeba relationship.
Term
Pontiac fever
Definition
A flu-like illness caused by the bacterium Legionella pneumophila contracted by breathing mist that comes from a water source contaminated with the bacteria. The incubation period from a few hours to 2 days, before the onset of fever and muscle aches. Persons do not have pneumonia. They generally recover in 2 to 5 days without treatment.
Term
Pertussis
Definition
Whooping cough caused bye bordetella pertussis. Mucus fills up the respiratory tract, making it difficult to inhale. Can release ENDOTOXINS and EXOTOXINS. It attaches to cilia in trachea. Tracheal cytotoxin-causes loss of ciliated cells.
Term
Endotoxin
Definition
A toxin produced by certain bacteria and released upon destruction of the bacterial cell.
Term
Exotoxin
Definition
A toxin secreted by a microorganism and released into the environment in which it grows. Also called extracellular toxin.
Term
-tuss
Definition
is related to COUGH
Term
Mycobacterium tuberculosis
Definition
Acid fast. Respiratory droplet transmission. Survives for week in dried sputum. Chronic. Symptoms: fever, sweats, blood-streaked sputum, chronic cough, malaise and weight loss. **It takes multiple contacts to acquire it. Only one strain can be given in one shot (rare).
Term
Granuloma or Gohn’s complex
Definition
Associated with Mycobacterium TB. This structure is surrounded by macrophages. It remains in the lungs and after a period of time, it begins to calcify. Eventually the calcified nodules will break out of the “shell”. These nodules are called MILITARY TB because it spreads.
Term
When Mycobacterium TB spreads, what does it cause?
Definition
TB of the heart, liver, meninges, bone, kidney and spine.
Term
Pott’s disease
Definition
TB of the spine
Term
another name for unrelenting TB spread
Definition
consumption... because the tissues are literally consumed
Term
Strep pneumonia
Definition
If it is encapsulated it is pathogenic. The capsule is responsible for the pathogenicity.
Term
Mycobacterium TB treatment
Definition
(INH), Rifampin, Ethambutol, Pyrazinamide and Streptomycin (treatment time period can last over 6 – 12 months
Term
Corynebacterium diphtheria
Definition
Get thick psuedo membranous formation of the toxic tissue in throat that closes off respiration and can’t breathe. Contains metacromatic granules. Exotoxin that interferes w/ protein synthesis. They are club shaped, may cause sore throat, fever, malaise, swelling of the neck. Powerful exotoxin may effect heart kidney and NS.
Term
Streptococcus acute glomerulonephritis
Definition
a complication due to the fighting battle btw the body and the bacteria at the glomeroles of the kidney. It is immune-mediated, following acute infections caused by Streptococcus pyogenes.
Term
beta-hemolytic streptococci
Definition
Streptococci that lyse red blood cells cultured on blood agar medium, producing a clear area around the cell colonies. Causes skin impetigo, rheumatic fever, acute glomerulonephritis, scarlet fever, and bacteremia and toxic-shock.
Term
joint pain
Definition
A symptom of streptococcus pyogenes rheumatic fever.
Term
Mycobacterium scrofulaceum
Definition
Causes TB lymph swelling, very ugly color. Royalties use to cover the huge bumps with scrofulas.
Term
Staph Aeureus
Definition
Bacteria frequently living on the skin or in the nose of a healthy person, that can cause a range of illnesses from minor skin infections (such as pimples, boils, and cellulitis) and abscesses, to life-threatening diseases such as pneumonia, meningitis, endocarditis, Toxic shock syndrome (TSS), and septicemia.
Term
Lyme Dz
Definition
Will cause a HUGE rash. However, the problem is that not everybody obtains the rash. It causes heart conditions, and encephalitis, bills palsy. It is caused by Borrelia Burgdorferi, and is the most common tick-borne disease in North America and Europe, and the fastest-growing infectious disease in
Term
What is Purified Protein Derivative (PPD)?
Definition
An antigen - a substance that stimulates the immune system to eliminate or fight foreign substances in the body. It is taken from dead tuberculosis bacteria.
Term
During the Mantoux / PPD Tuberculosis
Definition
skin test, 0.1 ml of -------- containing 5 tuberculin units is drawn into a 27-gauge syringe. Immunization: bacilli Calmette Guerin (BCG) – made from weakened strain of Mycobacterium bovis
Term
Bubonic Plaque
Definition
contagious, fatal dz caused by the bacterium Yersinia pestis G (-), transmitted from person to person or by the bite of fleas from an infected rodent, especially a rat, and characterized by chills, fever, vomiting, diarrhea, and the formation of buboes.
Term
Pneumonic Plaque
Definition
Particularly dangerous. bacteria from blood to lungs, and via respiratory droplets (human to human and animal to human). Mortality rate 100 %. After onset of fever...death follows withing 3 days.
Term
plague
Definition
Rat infestations
Term
tularemia
Definition
Rabbit fever
Term
Leptospirosis
Definition
Kidney failure
Term
anthrax
Definition
Sheep shearer’s disease
Term
GONORRHAE—Nisseria Gonnorrhoeae
Definition
A gram negative diplococcic. The same niseeria that causes meningitis. They use to called it vanerious dz because venous, god of love. Varioulence depends on the pilli of the nisserria, which allows it to attach very readily to each other and to mucus membranes. Symptoms include a purulent (or pus-like) discharge from the genitals, foul smelling, a burning sensation during urination and conjunctivitis commonly in neonatal infection, also occasionally in adults.
Term
PPNGs
Definition
Release by gonorrhea, which is able to break down penicillin, preventing penicillin from treating the condition.
Term
ophthalmia neonatum
Definition
Gonorrhea eye infections in newborns
Term
Complications of Gonorrhea
Definition
Epididymis and testes infected-sterility, scar tissue forms in sperms. Salpingitis- pevic inflammatory dz. Heart-Gonococcal endocarditis. Joints-Gonococcal arthritis-wrist, knee, ankle. Meninges-Gonococcal meningitis. Post gonoccocal riter’s syndrome** Rare complications can happen: Bacterimia, gonocoocal meminigtis, gonococcal endocaditis. Can also cause gingivitis. Prostitis. Urethritis:Scarred, partially blocked urethra.
Term
Gonorrhea Drugs
Definition
Penicillin (was DOC) , Spectinomycin, Tetracycline
Term
UREPLASMAL URETHRITIS- Ureplasma Urelyticum
Definition
Non gonoccocal urethritis. Type of Mycoplasma T- Mycoplasma (T =Tiny colonies). Similar to gonorrhea but discharge is variable. Compactions: Low sperm count and sperm motility. Spontaneous abortion.
Term
SYPHILIS-Treponema Pallidum
Definition
Also called the great pox, with pock marks. Incubates in 3 weeks. Can be 2 weeks- several months.
Term
Primary SYPHILIS
Definition
chancre-serous exudates in center. Small red raised hard bump, enlarged and breaks down leaving a shallow center and a firm margin around it. The oral cavity, rectum, nipples, and eyes, fingers, anywhere with mucus membrane may have these. They heal spontaneously in 3-6 weeks. If they go untreated, the immune system does not treat it. If penicillin DOC not given, from 3 wks to 6 months later, you get fever, headache sorethrough, lyphoidnopathy, red brown rash all over the skin. Including palms of the hands and soles of the feet (JUST LIKE ROCKY MOUTAINS SPOTTY FEVER, KAWASAKI DZ, COCKSOXI VIRUS TYPE 1). Major complications happen in the beginning in the bones, in the hair, in the joints, liver, eyes, brain, kidneys. For weeks or months later, they disappear.
Term
Secondary syphilis
Definition
Most contagious stage. Hair loss, malaise, mild fever. Skin rash widely distributed on skin, and mucous membranes.
Term
Latent SYPHILIS
Definition
2 to 4 years- no symptoms-serology is (+). Can be btw secondary and tertiary syphilis, can be up to 20 years. So you still have spirochetes in blood, meaning you still contiguous by bleeding.
Term
Tertiary SYPHILIS
Definition
at least 10 years. This is rare due to the presence of antibiotics. The small arteries in the aorta are affected by it, and also major arteries. They rupture! There is neuro syphilis that affects any part of the nervous system. It goes right thought the BBB and can affect the cranial nerves, and the dorsal root of the spinal cord. People go insane, from tertiary syphilis.
Term
GUMMANS
Definition
Skin tumors and connective tissues tumors seen in tertiary syphilis. They are connective tissue lesions that start to disrupt the in the entire body.
Term
VDRL and RPR
Definition
fixation test used to diagnose syphilis. If test is negative, then pt is negative. If test is positive, then FTA-ABS confirmation is used, since there are some false positives, but no false negatives.
Term
CHANCROID- Haemophilus ducreyi
Definition
Soft chanchers-ozz carrying bacteria that is gram n(-). Bacteria gets into the inguinal lymph nodes, fill with puss, they bulge to the surface of the skin, and send the bacterial to all over the skin spreading the bacterial. Swollen, painful ulcer-soft chancre forms on genitals. Found in tropical climate.
Term
Erythromycin or Ceftriaxone
Definition
Used to treat CHANCROID- Haemophilus ducreyi
Term
Granuloma Inguinale
Definition
Is primarily a sexually transmitted disease in which characteristic intracellular inclusions called DONOVAN bodies may be seen. It usually manifests as genital lesions, which are indolent, progressive, ulcerative, and granulomatous.
Term
Penicillin spectinomycin
Definition
A broad-spectrum antibiotic obtained from a species of gram-negative bacteria or produced synthetically, used especially in the treatment of gonorrhea that is resistant to penicillin.
Term
NON SYPHILITIC TREPONEMA
Definition
There are a host of them. This is the most famous, when you get it, you have a raised lesion called the “mother yaw”.
Term
Frambesia
Definition
Blood associated with lesion- raspberry appearance found in NON SYPHILITIC TREPONEMA.
Term
Gummas
Definition
Is a soft, non-cancerous growth resulting from the tertiary stage of syphilis (chancroid).
Term
Congenital Hutchinson’s triad
Definition
Deafness, impaired vision, notched-pegged teeth. Congenital syphilis: can pass through placenta, and can affect child, born with birth deformities in NS, this dz, rash, and nasal congestion.
Term
LEPROSY- Mycobacterium leprae
Definition
This bacteria is same as mycobacterium that causes TB. So the acid fast test for mycobacterium is the same acid-fast test of this as well. The dz can eventually cause a variety of skin problems, loss of feeling, and paralysis of the hands and feet.
Term
Hanson's dz
Definition
Another name for leprosy.
Term
Leprosy
Definition
The slowest growing of all species (incubatation 3-6yrs). Takes multiple contacts to get it (like TB). Humans and armadillos can be carriers. Predisposing problem maybe T cell problem. • Foot pads of armadillos-body temp of 30-35 deg C. we don’t know if we had it and gave it to them or varsa versa. It grows in human ear lobes, host ears away from face, where it is cool area.
Term
Leptospirosis
Definition
Passed though animal urine, enters human kidney through cuts. Spirochetes Leptospira interrogans and characterized by jaundice and fever.
Term
bacillis
Definition
aerobic spore former
Term
clostridium
Definition
anaerobe spore former
Term
Tetanospasmin
Definition
the neurotoxin produced by the vegetative spore of Clostridium tetani in anaerobic conditions, causing tetanus. It is sometimes called spasmogenic toxin, tetanus toxin or abbreviated to TeTx or TeNT.
Term
Tetanus
Definition
clostridium tetani (second most toxic to men) {and Corrina bacteria is (third most toxic), first is botulism}.
This is probably in the human GI tract, but there it is aerobic, so does not make you sick. Sometimes it starts unnoticed but does kill you. It causes uncontrolled contractions beginning in the jaw (called letgar), causes restlessness, stiffness in neck, convolutions, and as the muscles tense, you start getting breathing and leg cramps. Pt will have an arched back on the exam table.
Term
pinkeye: of Haemophilus influenza: H aegypticus
Definition
is caused by haemophilus influenza. This is a bacterial purmulent influenza. It is so bad, that the eye is crusted shut. It causes photophobia, and eyes hurt and tear.
Term
Pinkeye treatment
Definition
Antibiotics and cortisone (must see immediate change in 24 hours).
Term
Perfringens
Definition
food poisoning is the term used to describe the common foodborne illness. A more serious but rare illness is also caused by ingesting food contaminated with Type C strains.
Term
Closteridium perfringens Gastroenteritits
Definition
responsible for gas gangrines. Found in meats and Stew contaminated with intesting contents of animals during slaughter. when meat is cooked, the low O2 levels alow it to grow still. Generation time is 20 minutes. It grows in intestinal tract and causes mild symptoms of abd pain/diarrhea.
Term
Listeriosis--lesteria
Definition
Bacterial infection caused by a gram-positive, motile bacterium. Is relatively rare and occurs primarily in newborn infants, elderly patients, and patients who are immunocompromised. Usually grows in old plastic backs with food.
Term
Staphylococcal food poisoning
Definition
causes food poisoning after 1/2 of ingestion
Term
Dapsone
Definition
The antimicrobial drug of choice for the treatment of leprosy
Term
Neurotoxin
Definition
Tetnospasmin: block relation pathway of opposing muscles so hat both contract at the same time--spastic paralysis.
Term
RAT BITE FEVER- Streptobacillus spirillum
Definition
More common in Asiatic countries, Recurring fever- arthritis like pain- inflammation of lymph nodes.
Term
SODOKO
Definition
Japanese name for Rat Bite Fever
Term
Actinomyces--Actinomyces Israelii
Definition
Invades the GI and respiratory systems. Enters gums during dental extraction--swelling--lumpy, hard as wood--"lumpy jaw". Drains sinuses in respiratory and abdominal cavities. Reproductive system infection die to IUDs.
Term
Brucellosis Undulant Fever--Brucella
Definition
It causes the undulating fever. transmitted by contact with infected animals, and characterized by fever, malaise, and headache.
Term
Brucella abortus
Definition
Most common in US. Found in Cattle and transmitted in unpasteurized milk.
Term
Brucella melitensis
Definition
Most common in the world. Found in goats, sheep and camels. Also transmitted in unpasteurized milk--high mortality rate
Term
Brucella Suis
Definition
Swine--destructive abscesses
Term
Brucella Cains
Definition
Dongs--in contact with an infective dog.
Term
B. melitensis, and B. suis
Definition
The two Brucella that can penetrate intact skin.
Term
Modes of Brcella Transmission
Definition
Unpasturized milk, infective animal, abrasion in skin or mucous membrane of mouth, through or GI tract.
Term
Tularemia
Definition
An infectious disease caused by the bacterium Francisella tularensis that affects rodents but can also be transmitted to humans through the bite of insects or contact with infected animals. In humans, the disease is characterized by intermittent fever and swelling of the lymph nodes.
Term
Tularemia
Definition
Also called rabbit fever.
Term
Cholera
Definition
A gram (-) single flagellum. 1 L of water is lost per hour. Night soil (human feces). Rice water stools. Picket fence configuration. Chinese letter configuration. Can be killed by the stomach acid but all it takes is one to get threw to establish disease
Term
Cholera Drug
Definition
Tetracycline, replacement of fluids and electrolytes.
Term
typhoid
Definition
Whereas most of the food poisonings give diarrhea, this one gives constipation. Causes ulceration and hemorrhage and infection
Term
Major ways of spreading typhoid
Definition
the five Fs: food, fingers, feces, fomites, and flies.
Term
Typhoid Ferver
Definition
highly infectious disease caused by (Salmonella typhi) characterized by high fever, headache, coughing, intestinal hemorrhaging, and rose-colored spots on the skin. Stays in Gall bladder, and is acid resistant. Carrier keeps shedding the virus for 5-10 years.
Term
Chloramphenicole/Ceftriax
Definition
Antibiotic used to treat typhoid. Very dangerous and causes A PLASTIC ANEMIA. Must watch RBC and WBC count when administered.
Term
Widal Test
Definition
A test of blood serum that uses an agglutination reaction to diagnose typhoid fever.
Term
Botulism
Definition
Clostridium botulinum. Endotoxin deadliest toxin known to man. Used in germ warfare. Found in the soil. Gram positive anaerobic bacillus that forms endospores. When spores enter the anaerobic environment of cans or jars, they germinate to vegetative bacilli, and the bacilli produce the toxin. The toxin is lethal once absorbed into the bloodstream.
Term
Honey
Definition
What contains botulin spores that should not be given to infants.
Term
Infant botulism
Definition
Is an illness that can occur when a newborn ingests bacteria that produce a toxin inside the body. The condition can be frightening because it can cause muscle weakness and breathing problems.
Term
Dysentery
Definition
Caused by Shigella of 4 different species. They release exotoxins that inhibit protein synthesis-killing cells, causing tissue damage to intestinal mucosa and severe diarrhea and bloody mucoid stools. Is a foodborne illness that is principally a disease of humans and other primates such as monkeys and chimpanzees. The causative organism is transmitted via the fecal-oral route.
Term
Hemolytic Urecemic Diarrhea
Definition
The diarrhea that causes hemolytic anemia and acute renal failure.
Term
Shigellosis
Definition
also known as bacillary dysentery
Term
Botulism Treatment
Definition
Cannot treat with antibiotics because it is toxin and you need to give an antitoxin not an antibiotic.
Term
What must be done with Dysentery pts
Definition
Hydrate them
Term
Typhoid immunization
Definition
injection of dead salmonella cells, or even oral vaccine.
Term
Salmonella Species
Definition
Often found in contaminated food, water, rodents (often carriers) STUFFED TURKEY AND CHICKEN. Includes MANY members of pathogens that inhibit intestinal track.
Term
Campylobacter Gasteroenteritis
Definition
Caused by -------Jejuni. It is VERY mobile. Gram (-) Microearophilic spirillum. Found in intestines of cattles, poultry, contaminated water, and cow milk. THE INFECTIVE DOSE IS MUCH SMALLER THAN SALMONELLA, and may be severe.
Term
Erythromyocin
Definition
Can treat Campylobacter Gastroenteritis
Term
Traveler's Diarrhea
Definition
Caused by E coli, large number required in contaminated food/water to cause the infection. It is ENTROTOXIC--induces water loss. Most Toxic specie is 015787 that commonly causes infections and may lead to hemolytic uremic syndrome.
Term
Grade A pasteurization
Definition
Pasturazation measure of Coxilla burnetii. Begins with less than 100,000 microorganisms, and should be at 20,000 after pasteurizing. Good for human consumption.
Term
Grade B pasteurization
Definition
Pasturazation measure of Coxilla burnetii. Contains 1 million microorganisms. Only used in food products.
Term
Grade C pasteurization
Definition
Pasturazation measure of Coxilla burnetii. Not for human consumption.
Term
Phosphate test
Definition
Measures the effectiveness of pasteurization. Phosphate dissociates at the same T coxiella brunetii does, so it tests whether temperature was reached or not.
Term
LISTERIOSIS-Listeria monocytogenes (proliferation of monocytes)
Definition
Predisposing factor is diabetes, weakening of the intestinal mucosa. May cause fever, diarrhea and nausea, which goes away in a couple of days. In immune compromised pts, it causes death.
It can also cause meningitis.
Term
Melioidosis
Definition
Can effects horses, cats, rats. Can be dormant in body ofr years. Can mimic heart attack, arthritis, pneumonia.
Term
Liptospirosis
Definition
Causes UTI in rodents. You walk barefoot in the grass, where animals pee there. They attack to feet and they screw themselves right into the foot, to the lymph, then heart, and kidney. You end up with severe kidney problem. No transmission through injection, inhillation, etc. Digestion: can get it thorough cans of warehouses that have rodents.
Term
leptospiras lepraxia:
Definition
More harmful than interrogans.
Term
TOXIC SHOCK SINDROME
Definition
High fever, accompanied by low blood pressure, malaise and confusion, leading to death. The characteristic rash,a sunburn, can involve any region of the body. Tempon may be foul smelling. In patients who survive, the rash desquamates, or peels off, after 10–14 days.
Term
Scomboid Food Poisoning
Definition
Histamine substance produced by PROTEUS--fish such as tuna. Cause headache, cramps, hives, shock that lasts 24 hours. Caused by DYNOGLAGELLATES
Term
Cholera
Definition
Chinese letters and picket fence
Term
Lipases
Definition
a fat digesting enzyme produced by certain contaminating bacteria in milk.
Term
Leukocidins
Definition
a bacterial enzyme that destroys phagocytes, thereby preventing phagocytosis.
Term
Lyme's Disease
Definition
ECM, erythema chronicum migrans – an expanding circular red rash that occurs on the skin of pts with Lyme’s. Pt may not get the rash, so there may be a delay in treatment
Term
Staphylococcal Food Poisoning – staphylococcus aureus
Definition
Foul smelling nitrogen compounds
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