FINAL NEW
Microbiology 2000 with Morris at University of South Florida
About this deck
By: Barbara Aitken
Textbook:
Microbiology: An Introduction, Books a la Carte Edition (10th Edition)
Created: 2011-05-02
Size: 147 flashcards
Views: 484
Textbook:
Microbiology: An Introduction, Books a la Carte Edition (10th Edition)Created: 2011-05-02
Size: 147 flashcards
Views: 484
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Which microorganism, part of the normal microbiota, helps maintain the low pH of the skin?
Propionibacterium acnes, which produce propionic acid.
Streptococcus pyogenes, when transmitted by direct contact, can cause ______.
necrotizing fasciitis
Bullous impetigo is NOT:
caused by streptococci
If a patient is diagnosed with measles, the flat, reddened lesions that appear are known as which of the following?
macules
If a child presents with a mild case of influenza, along with a "slapped cheek" facial rash, a tentative diagnosis would be:
erythema infectiosum.
Fluoroquinolones are the treatment prescribed for otitis externa, which is a(n):
bacterial disease
Which disease is treated with topical propamidine isethionate or miconazole, and is transmitted via contact with fresh water?
Acanthamoeba keratitis
Conjunctivitis that is acquired as an infant passes through the birth canal is treated with a 1% solution of silver nitrate; which organism causes this disease?
Neisseria gonorrhoeae
An 8-year-old girl has scabs and pus-filled vesicles on her face and throat. Three weeks earlier she had visited her grandmother, who had shingles. What infection does the 8-year-old have?
chicken pox
Which of the following is NOT a characteristic of Pseudomonas aeruginosa?
gram-positive cell wall
Which of the following is NOT transmitted by the respiratory route?
Trichophyton
Which of these is NOT caused by herpesvirus?
smallpox
Which of the following can be treated with topical chemotherapeutic agents?
dermatomycosis
Which of the following is NOT a cause of ringworm?
tinea capitis
A possible complication of herpetic keratitis is
encephalitis
Which of the following is sensitive to penicillin?
streptococcus
Which of the following is NOT a characteristic used to identify Streptococcus pyogenes?
coagulase-positive
Which infection is NOT caused by Staphylococcus aureus?
acne
In which of the following respects does measles differ from German measles (rubella)?
etiologic agent
Vaccination for rubella
has reduced the incident of rubella
The etiologic agent of roseola is
HHV-6
The etiologic agent of fever blisters is
herpes simplex
Which of the following is used to treat sporotrichosis?
fungicide
Which of the following is used to treat candidiasis?
fungicide
The patient has a papular rash. Microscopic examination of skin scrapings reveals small 8-legged animals. The etiology is
Sarcoptes; scabies
The patient has vesicles and scabs over her forehead. Microscopic examination of skin scrapings shows gram-positive cocci in clusters. The etiology is
Staphylococcus aureus
The patient has scaling skin on his fingers. Conidiospores are seen in microscopic examination of skin scrapings. The etiology is
microsporum
A 45-year-old man has pus-filled vesicles distributed over his back in the upper right quadrant, over his right shoulder, and upper right quadrant of his chest. His symptoms are most likely due to
Varicella-zoster virus.
A 35-year-old woman has a red, raised rash on the inside of her thighs. Gram-stained skin scrapings show large budding cells with pseudohyphae. The infection is caused by
candida albicans
Cytoplasmic inclusions were observed in a fetus that died in utero after 6 months' gestation. The probable cause of the fetus's death was
fifth's disease
Assume that your lab partner swabs the side of his face and used the swab to inoculate a nutrient agar plate. The next day, he performs a Gram stain on the colonies. They are gram-positive cocci. You advise him that he should next look for
a coagulase reaction
Which of the following is NOT likely to spread MRSA among athletes?
antibiotic resistance
A 17-year-old boy has pus-filled cysts on his face and upper back. Microscopic examination reveals gram-positive rods. This infection is caused by
Propionibacterium acnes.
Which of the following pairs is mismatched?
Keratitis – Acanthamoeba
Chickenpox – Poxvirus
Infected tissue fluoresces – Dermatomycosis
Buruli ulcer – Mycobacterium
Conjunctivitis – Chlamydia trachomatis
chicken pox-pox virus
Which of the following is an important factor in the virulence of Listeria monocytogenes, a gram-positive rod known to cause meningitis, stillbirths, and spontaneous abortions?
L. monocytogenes proliferates within phagocytic cells, primarily in the liver.
Why should children younger than one year of age NOT be fed honey?
risk of botulism
Which of the following microbes has NOT been associated with bacterial meningitis?
mycobacterium leprae
Why are animal bites on the hands and face of humans especially dangerous?
hands and face are highly innervated areas
In the United States, most human cases of rabies are caused by the bites of which of the following?
wild bats
Which statement regarding arboviral encephalitis is FALSE?
Arboviral encephalitis is usually diagnosed by ELISA tests to identify IgG antibodies. (FALSE- used to identity IgM)
Cryptococcus fungi are (do) NOT
especially prevalent in areas contaminated by rodent droppings.
Which fungal disease, transmitted by inhaling spore-contaminated soil, is treated with amphotericin B and flucytosine in combination?
Cryptococcosis
Which of the following statements regarding African trypanosomiasis is TRUE?
A new drug, introduced in 1992, crosses the blood-brain barrier and blocks an enzyme.
Which characteristic applies to variant Creutzfeldt-Jakob Disease (vCJD)?
median age of death is 28 years old
Which substances CANNOT readily cross the blood-brain barrier?
Most lipid-insoluble substances
Which of the following is true about the normal microbiota of the nervous system?
there are none
Encephalitis and meningitis are difficult to treat because
Antibiotics cannot penetrate the blood–brain barrier.
Which of the following statements about Haemophilus influenzae is false?
It is used in a whole bacterial vaccine.
Which of the following organisms is NOT correctly matched to the recommended treatment?
Haemophilus influenzae – cephalosporins
Poliovirus – Salk vaccine
Cryptococcus neoformans – amphotericin B
Neisseria meningitidis – cephalosporins
Mycobacterium leprae – dapsone
Poliovirus – Salk vaccine
Which of the following statements about leprosy is false?
Patients with leprosy must be isolated.
Which of the following is NOT transmitted by the respiratory route?
Listeria monocytogenes
Which of the following statements about rabies is false?
The reservoir is mainly rodents.
A 30-year-old woman was hospitalized after she experienced convulsions. On examination, she was alert and oriented and complained of a fever, headache, and stiff neck. Which of the following organisms could NOT be responsible for her symptoms?
Clostridium botulinum
The most effective control of a vector-borne disease is
elimination of the vector
The most common route of central nervous system invasion by pathogens is through
The circulatory system.
The prodromal symptom(s) of meningitis is (are)
like a mild cold
Which of the following CANNOT lead to an outbreak of botulism?
a nutrient medium with a pH below 4.5
Meningitis that begins as an infection of the lungs is caused by
cryptococcus neoformans
A 30-year-old woman was hospitalized after she experienced convulsions. On examination, she was alert and oriented and complained of a fever, headache, and stiff neck. Which of the following is most likely to provide rapid identification of the cause of her symptoms?
gram stain of cerebral-spinal fluid
Which of the following is NOT caused by prions?
Rabies
An 8-year-old girl in rural Wisconsin has chills, headache, and fever and reports having been bitten by mosquitoes. How would you confirm your diagnosis?
ELISA test for IgM antibodies
A 15-year-old girl was hospitalized with fever, lethargy, and rash. Gram-negative, oxidase-positive cocci were cultured from her cerebrospinal fluid. Her symptoms were caused by
Neisseria meningitidis.
A 15-year-old girl was hospitalized with fever, lethargy, and rash. Gram-negative, oxidase-positive cocci were cultured from her cerebrospinal fluid. Which of the following statements about the microbe responsible for her symptoms is false?
it may be normal in the cerebral spine fluid
hospitalized with dizziness, blurred vision, slurred speech, difficulty swallowing, and nausea. Examination revealed facial paralysis. The patient had partially healed superficial knee wounds incurred while laying cement. Cultures taken from the knee wounds should be incubated
anaerobically
Which of the following is treated with antibiotics?
streptococcal pneumonia
Which one of the following causes the most severe illness in humans, with a mortality rate of 30%?
Eastern equine encephalitis
Which of the following is NOT a free-living amoeba that can cause encephalitis?
entamoeba
Examination revealed facial paralysis. The patient had partially healed superficial knee wounds incurred while laying cement. He reported eating home-canned green beans and stew containing roast beef and potatoes 24 hours before onset of symptoms. The patient should be treated with
surgery
Kitten died. On October 22, rabies was diagnosed in the kitten. Between September 19 and October 23, the pet store had sold 34 kittens. Approximately 1000 people responded to health care providers following local media alerts. These people were given
antirabies immunoglobulin and rabies vaccination
For which of the following is a vaccine NOT available?
botulism
Which of the following is NOT acquired by ingestion?
cryptococcus
A 1-year-old boy was listless, irritable, and sleepy. Capsulated gram-negative rods were cultured from his cerebrospinal fluid. His symptoms were caused by
Haemophilus influenzae.
Which of the following is NOT transmitted by ingestion?
Meningococcal meningitis
Which of the following vaccines can cause the disease it is designed to prevent?
oral polio vaccine
She developed respiratory distress and tachycardia; she died from cardiac arrest. Fluorescent-antibody testing of brain tissue revealed inclusions in the brain stem.
In the situation, the antibiotics did not cure her disease because the pathogen was
In the situation, the antibiotics did not cure her disease because the pathogen was
a virus
She developed respiratory distress and tachycardia; she died from cardiac arrest. Fluorescent-antibody testing of brain tissue revealed inclusions in the brain stem.
The disease described in the situation is
The disease described in the situation is
rabies
Regarding the lymphatic system, which of the following cell populations become plasma cells?
B cells
A patient tests positive for a gram-negative bacillus, and has regional lymph nodes that are enlarged and filled with pockets of pus; the patient also reports keeping pet rabbits. What is a provisional diagnosis?
Tularemia
In which of the following North American locations would you expect to find the highest incidence of the disease caused by the spirochete Borrelia burgdorferi?
Atlantic coast
Which microorganism(s) in the graph is/are likely to result from early-childhood infections, and to establish a lifelong and harmless infection that rarely causes disease in most people?
Epstein Barr Virus (EB)
Which statement regarding the emerging viral hemorrhagic fevers is false?
Later symptoms of hemorrhagic viral infection include high fever and severe, crippling joint pains.
The development of which disease is promoted by mosquito-borne malarial infections?
Burkitt's lymphoma
Which disease, resulting in damage to heart muscle or the nerves controlling peristalsis in the GI tract, is transmitted by the reduviid bug?
Chaga's Disease
Cats have been identified as an essential part of the life cycle of a protozoan that causes which disease?
toxoplasmosis
At which stage of the life cycle of the helminth Schistosoma are snails of certain species essential?
When miracidium begins to reproduce
Complete the following statement correctly. Swimmer's itch:
is caused by parasites that mature in wildfowl only
Which of the following statements correctly describes the disease schistosomiasis?
humans are definitive hosts
Which of the following statements about sepsis is false?
usually caused by gram-positive bacteria
Which of the following is NOT treated with penicillin?
tularemia
Which of the following statements about tularemia is false?
it occurs only in California
Which of the following is NOT transmitted in raw milk?
toxoplasmosis
Which of the following is NOT a characteristic of Bacillus anthracis?
produces endotoxins
The symptoms of gas gangrene are due to all of the following EXCEPT
Anaerobic environment.
Which of the following bacterial infections CANNOT be transmitted by dog or cat bites?
streptobacillus
Unsanitary and crowded conditions increase the incidence of all of the following diseases EXCEPT
rocky mountain spotted fever
Which of the following statements about toxoplasmosis is false?
it is a severe illness in adults
Which of the following pairs does NOT apply to Chagas' disease?
diagnosis- serological test for antibodies
Which of the following is NOT caused by a bacterium?
Malaria
A patient presents with inflammation of the heart valves, fever, malaise, and subcutaneous nodules at joints. The recommended treatment is
anti-inflammatory drugs
Which of the following statements about puerperal sepsis is false?
it is transmitted from mother to fetus
Which of the following statements about schistosomiasis is false?
it is caused by roundworm
Which of the following statements about rheumatic fever is false?
it is cured with penicillin
Which of the following can be transmitted from an infected mother to her fetus across the placenta?
cytomegalovirus
A patient has the following symptoms: a papule, enlarged lymph nodes. Microscopic examination of the papule reveals nucleated cells in white blood cells. The patient most likely has
Leishmaniasis.
A characteristic symptom of plague is
Bruises on the skin
Which of the following pairs regarding the epidemiology of malaria is mismatched?
treatment: antibiotics
Which of the following is NOT a zoonosis?
Puerperal sepsis
Arthropods serve as vectors for all of the following diseases except:
Brucellosis
Which of the following is the same for both relapsing fever and undulant fever?
vector
Which of the following is NOT treated with antibiotics?
Yellow Fever
EB virus has been implicated in all of the following EXCEPT
endocarditis
Which of the following produces a permanent carrier state following infection?
cytomegalovirus
Which of the following leads to all the others?
bacterial growth in endothelial cells
Which of the following is evidence that the arthritis afflicting children in Lyme, Connecticut, was due to bacterial infection?
treatable with penicillin
Which of the following is NOT controlled by a mosquito eradication program?
toxoplasmosis
Which of the following statements about group B streptococci is false?
they cause strep throat
A 62-year-old man was hospitalized with an 8-day history of fever, chills, sweats, and vomiting. His temperature on admission was 40°C. A routine peripheral blood smear revealed ring-shaped bodies in the RBCs. What treatment would you prescribe?
Mefloquine
Bioweapons
have been used for centuries
Which structure is not part of the upper respiratory system?
Larynx
Which statement regarding normal microbiota or the human respiratory system is false?
number of potentially pathogenic microbiota are part of the lower respiratory system
Which bacterial disease of the upper respiratory system, treated with penicillin, is caused by erythrogenic toxin-producing strains of Streptococcus pyogenes?
Scarlet Fever
Which of the following is not a bacterial disease of the upper respiratory system?
whooping cough
Complete the following statement correctly. The common cold:
common cold is caused by a single rhinovirus deposited in the nasal mucosa
For which of the following bacterial pneumonias, whose symptoms resemble those of pneumococcal pneumonia, is tetracycline not the preferred treatment?
Haemophilus influenzae pneumonia
Tuberculosis (TB) is (does) not:
quickly diagnosed and confirmed by the rapid growth rate of the pathogen.
Which characteristic of viruses, in the genus Influenzavirus, functions in cell recognition prior to infection?
Hemmagglutinin (HA) spikes
Which statement regarding influenza (flu) is true?
virus of genus influenzavirus consist of consist of 8 separate RNA segments
Which of the following statements about otitis media is false?
it is cause by a rhinovirus
Penicillin is used to treat all of the following EXCEPT
mycoplasmal pneumonia
Which of the following diseases is NOT correctly matched to a virulence factor?
Diphtheria – exotoxin
Scarlet fever – exotoxin
Haemophilus pneumonia – endotoxin
Pneumococcal pneumonia – exotoxin
Whooping cough – endotoxin
Pneumococcal pneumonia – exotoxin
Which of the following diseases is NOT correctly matched to its vaccine?
Tuberculosis – toxoid
Whooping cough – heat-killed bacteria
Pneumococcal pneumonia – capsular polysaccharides
Diphtheria – toxoid
Influenza – viruses grown in embryonated eggs
tuberculosis- toxoid
Which of the following diseases has a cutaneous form, especially in individuals over 30 years of age?
Diphtheria
Which of the following does NOT cause pneumonia?
Histoplasma
Which of the following causes opportunistic infections in AIDS patients?
Mucor
Rhizopus
Pneumocystis
Aspergillus
All of the above
all of the above
Which of the following diseases is NOT correctly matched to its reservoir?
Coccidioidomycosis – air
Pneumocystis – humans
Histoplasmosis – soil
Tuberculosis – cattle
Psittacosis – parakeets
Coccidioidomycosis – air
Which of the following does NOT produce an exotoxin?
mycobacterium tuberculosis
Which one of the following is an irregular, gram-positive rod?
Corynebacterium diphtheriae
Which of the following is an opportunistic pathogen?
Pneumonocystis
Which of the following etiologic agents results in the formation of abscesses?
Blastomyces
Which of the following is most susceptible to destruction by phagocytes?
Streptococcus pyogenes
Which one of the following produces the most potent exotoxin?
Corynebacterium diphtheriae
Infection by which of the following is often confused with viral pneumonia?
mycoplasma
Which one of the following causes a disease characterized by a red rash?
streptococcus
A patient has pneumonia. Gram-negative rods are cultured on nutrient agar from a sputum sample. The etiology is
Burkholderia pseudomallei.
Inhalation of arthroconidia is responsible for infection by which of the following organisms?
Coccidioides
The patient is suffocating because of an inflamed epiglottis. What is the etiology?
Haemophilus
The patient is suffocating because of the accumulation of dead tissue and fibrin in her throat. What is the etiology?
Corynebacterium
About this deck
By: Barbara Aitken
Textbook: Microbiology: An Introduction, Books a la Carte Edition (10th Edition)
Created: 2011-05-02
Size: 147 flashcards
Views: 484
Textbook:
Microbiology: An Introduction, Books a la Carte Edition (10th Edition)Created: 2011-05-02
Size: 147 flashcards
Views: 484
About StudyBlue
STUDYBLUE makes things that make you better at school.
Things like online flashcards with photos and audio.
Things like personalized quizzes and friendly reminders about when (and what) to study next.
Think of it as a digital backpack™: access to all of your study materials online and on your phone.
STUDYBLUE exists to make studying efficient and effective for every student, for free. Join us.
“I have been getting MUCH better grades on all my tests for school. Flash cards, notes, and quizzes are great on here. Thanks!”
Kathy
Kathy