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Microbiology final exam part1
Terms in this set (100)
What is the second most common foodborne disease?
Symptoms appear 1-6 hours after eating and last up to 24 hours. symptoms include nausea, vomiting, diarrhea, and cramps. Cooking kills the bacteria but does not inactivate the toxin.
Is a very common foodborne disease which is usually found in protein rich foods such as meat and beans.
A toxin mediated disease which is a normal resident of the intestines and in found in essentially all people. Is transmitted by food, water and fecal oral route.
What disease can be fatal in infants, is transmitted by fecally contaminated food and causes secretory diarrhea
What accounts for 20% of diarrhea in bottle fed babies? is spread person to person and likely has a low infectious dose.
The nastiest and most common strain. It is responsible for the fatal outbreak at Jack-in-the-Box in 1993. Meat, fruit juices, parsley, etc. all have been implicated. The number one source is undercooked hamburger.
Enterohemorrhagic E. coli
What is the scientific name for Enterohemorrhagic E. coli?
E. coli O157:H7
Caused by Enterohemorrhagic E. coli. symptoms include bloody diarrhea with inflammation of the colon may be observed, severe abdominal pain, about half also have vomiting. Resolution in 4-10 days without treatment.
disease of the kidney, leading to kidney failure and seizures coma, colonic perforation, liver disorders, etc.
Hemolytic uremic syndrome (HUS)
Common in women Under 10 and 20-40 years of age but Can occur in anyone. Men with enlarged prostate are at increased risk.Community urethritis is typically an ascending infection.Hospital urethritis. Catheters introduce the bacteria to the bladder. Provide a surface to grow on. Can lead to ascending infections and septicemia.
Uropathogenic E. coli
Cause dysentery - fever, malaise, anorexia with cramps and abundant bloody mucoid discharges.Most cases resolve in 2-5 days. Some patients become carriers.
are motile, Gram negative bacilli, and are normally present on a variety of foods, particularly poultry.
is broken into serotypes - Typhimurium, Typhi, Enteriditis, Cholerasuis, Paratyphi, etc.
Most common cause of Salmonella-caused enteritis in the U.S.
Typhoid Fever is cause by what pathogen?
Mary Mallon was an epidemiologic nightmare, she was infected with this bug.
The most common site of colonization of the body (as normal flora) of Staphylococcus aureus is:
Chloramphenicol is the drug of choice for treating which salmonella
CF patients are immune to infection by
is normally found in seawater. In the seawater it lives in the zoplankton digestive tract. A single zooplankton will support the growth of about 10,000 bacteria, which is sufficient to infect the human host.
Commonly (1-6% of the time) becomes resident of the gall bladder, leading to long term carriage and transmission.
Guillan-Barre Syndrome is associated with infection by-----about 40% of the time
"Rice Water Stool" is most commonly associated with an infection by:
Bacilliary dysentary is caused by:
An emergency colectomy was performed on a patient. The most likely organisms of those listed to lead to this emergency procedure was:
Chronic lifelong inflammation of the stomach wall. May be minor to severe.
The drug of choice for treating Legionella is:
Mycoplasma genitalium is treated with what?
Ureaplasma urealyticum is treated with what?
The two most common causes of Cervicitis and Pelvic Inflammatory Disease in women are
N. gonorrheae and C. trachomatis
may increase the likelihood of pelvic inflammatory disease since it is motile (flagellated) and can swim to the upper genital region and carry with it lower genital region bacteria including gonococci and chlamydia.
is inflammation of the epididymis, with relatively acute onset of pain and almost always unilateral. Like PID this can result in scarring and infertility.
What are the most common cause of epididymitis in men <35 years old.
N. gonorrheae and C. trachomatis
The major causes of vaginitis in post pubescent girls are
bacterial vaginosis, candidiasis, and Trichimonas vaginalis
What is a common organism isolated from post pubescent girls but is often found in association with vaginitis and occurs more frequently in sexually active women.
All gonococcal strains (and meningococcal strains) produce an extracellular-----that cleaves IgA (the major immunoglobulin on mucosal surfaces) which helps the bacteria evade the effects of secretory antibody.
Gonococci produce an ------ that damages ciliated epithelial cells.
N. gonorrheae can also be transmitted by nonsexual contact and result in eye infections this is called?
50% of gonorrhea patients are also positive for
Extracellular infectious form which is metabolically inactive.
Intracellular, metabolically active form which replicates in host cells and after 24-72 hours differentiates into elementary bodies.
What is the leading cause of nongonococcal urethritis, a gonococcus-like inflammation of the urethra. It is one of the most frequently observed sexually transmitted diseases today.
Later in life about 1% of people that have been infected with------develop acute aseptic arthritis.
What is caused by a small subset of Chlamydia, known as C. trachomatis LGV 1, 2, or 3. Most common in males, causing painful swelling of lymph nodes in the area of the groin. Although rare in most of the United States it is endemic in Central and South America and is thus found on the southern US.
Lymphogranuloma venereum (LGV)
The two main routes of transmission of Treponema pallidum pallidum are:
Sexual Contact and Vertical
Rapid onset pneumonia followed by death in 3-5 days is associated with:
Patients with neutropenia are more susceptible to bacterial and fungal infections.
A disease that grows gradually and continually in the body is known as:
Neurologic symptoms that show up days or weeks to months after exposure, leading to death:
Lock jaw is associated with:
The worm that can cause pneumonia-like symptoms and abdominal pain is:
roundworm (Ascaris lumbricoides)
The protozoa associated with cutaneous infections and scarring is:
TSE is an example of a:
Acne is commonly associated with:
Hyphae growing as chains of cells that are NOT separated by a plasma membrane are called:
Botulism results in death due to:
flaccid paralysis (body literally goes limp causing death)
Wool Sorters Disease:
Entamoeba histolytica is spread by:
Scarlet fever is caused by:
Causative agent of rheumatic fever.
Epinephrine is used to treat:
Bubonic Plague is associated with:
Perinatal CMV is usually a mild asymptomatic infection unless:
Acquired by blood transfusion
In 30 year olds. UTIs are more common in:
What is associated with folliculitis due to contaminated water?
The purpose of vaccination for ----- is to protect the unborn child.
A patient that is at high risk of transmitting Heptatitis B to other patients if they are positive for which antigen?
Hemolytic uremic syndrome is associated with
E. coli O157:H7
Rocky Mountain Spotted Fever is caused by:
A major cause of dental caries is thought to be:
Vibrio cholera recently entered North and South America (in 1991) and spread through:
The most common cause of bacterial vaginosis is:
Males - frequently associated with dysuria, with a mucoid discharge (resembling semen):
An infection of the bone and bone marrow is:
Clostridium difficile can be transmitted by:
Nosocomial, Fecal Oral, and Aerosol
Platelet transfusions is sometimes used to treat:
A common cause of meningitis associated with dorms/barracks is:
An intracellular bacterial infection associated with acute aseptic arthritis
Primarily used for treating Treponema pallidum pallidum infections:
Swelling of the brain (or any other tissue) is :
Found in over 90% of cervical cancer.
human papilloma virus (HPV)
Condylomata Lata is associated with:
Vesicles that form on the eye scarring the cornea.
recurrent, (intensely) painful lesions (many little "blisters")
Cryptococcus neoformans is acquired after exposure to:
dried pigeon feces
Lyme disease is found:
Throughout the USA
Trypansoma cruzi is transmitted by:
vector borne (kissing bug)
infection of the inner lining of the heart, principally the heart valves.
inflammation of the pericardium (the sac that encloses the heart.)
inflammation of the heart muscle.
Epidemic Typhus is caused by?
What is known as break bone fever?
Viral encephalitis is defined as
A viral infection of the brain its self
Genetic lack of immune response
The common "middle point" of all three complement cascades is
An example of a viral hemorrhagic fever is:
An HIV positive person is said to have progressed to "AIDS" when their cell cell count is less than:
Herd immunity can protect unvaccinated individuals.
Rickettsia prowazekii is also known as?
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