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64 Cards in this Set
- Front
- Back
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Macroscopic characteristics used to identify bacteria could also be called ___ characteristics.
A) physiologic B) serologic C) genetic D) colony E) cellular |
colony
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A bacterium with a thick peptidoglycan layer is Gram- __ and stains __ in the Gram stain procedure.
A) positive, pink B) positive, purple C) negative, pink D) negative, orange E) positive, green |
postive purple
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Which of the following is a microscopic bacterial characteristic?
A) elevation B) coccus C) color D) sugar fermentation E) texture |
coccus
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The bacterial virulence factor responsible for the signs and symptoms of Scalded Skin Syndrome is:
A) botulin toxin. B) diphtherotoxin. C) erythrogenic toxin. D) exfoliative toxin. E) TSST. |
exfoliative toxin
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Production of a greenish zone around colonies on blood agar plates is called __ hemolysis.
A) alpha B) beta C) gamma |
Alpha
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Which of the following diagnostic tests detects the presence of a virulence factor?
A) ASO test. B) Quellung test. C) Schick test. D) Schultz-Carlton test. E) All of these. |
All of these
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Implanted medical devices such as pacemakers may pose a risk due to the presence of:
A) Actinobacteria. B) biofilms. C) hemolysins. D) resistance factors. E) virulence factors. |
biofilms
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Bacteria that are facultative anaerobes can live:
A) only in the absence of oxygen. B) in the presence of high levels of carbon dioxide. C) in the presence or absence of oxygen. D) only in the absence of carbon dioxide. E) both A and C. |
in the prieseence or absense of oxygen
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The beta-hemolytic, bacitracin-sensitive Gram-positive coccus ___ grows in chains, and causes Rheumatic Fever.
A) Clostridium difficile B) Staphylococcus epidermidis C) Streptococcus mutans D) Streptococcus pyogenes E) Streptomyces |
streptococcus pyogenes
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. Eating canned food in which the anaerobic bacillus __ has been growing may result in paralysis of muscles of the face and neck due to the action of the toxin the bacterium produces.
A) Bacillus cereus B) Bacillus subtilis C) Clostridium botulinum D) Listeria monocytogenes E) Mycobacterium avis |
clostridium botulinum
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Inhalation of the endospores of the aerobic Gram-positive bacillus ___ initially produces pneumonia-like symptoms, but the toxins it produces damage capillaries, resulting in respiratory or cardiovascular collapse.
A) Actinomyces B) Bacillus anthracis C) Clostridium perfringens D) Listeria monocytogenes E) Mycobacterium tuberculosis |
Bacillus Anthracis
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Exposure of newborns to a vagina infected with the Gram-positive beta-hemolytic coccus ___ may result in neonatal meningitis.
A) Streptococcus agalactiae B) Staphylococcus aureus C) Enterococcus faecalis D) Mycobacterium leprae E) Clostridium tetani |
streptococcus agalactiae
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The anaerobic endospore-forming bacillus ___ is part of the normal intestinal microbiota but may cause opportunistic disease when other intestinal bacteria are depleted by antibiotics.
A) Bacillus polymyxa B) Staphylococcus epidermidis C) Clostridium difficile D) Lactobacillus E) Enterococcus faecalis |
clostridium difficile
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Ingestion of ___ results in mild food poisoning (gastroenteritis) with cramps and nausea or diarrhea or both.
A) Bacillus cereus B) Clostridium perfringens C) Staphylococcus aureus D) All of the above. E) None of these |
All of the above
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The filamentous, acid-fast bacillus ___ is spread by aerosols and lives in macrophages of the lungs, leading to slow progressive lung damage resulting in respiratory failure.
A) Streptococcus agalactiae B) Staphylococcus aureus C) Actinomyces D) Mycobacterium tuberculosis E) Streptococcus mutans |
mycobacterium tuberculosis
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Opportunistic infection of puncture wounds by the Gram-positive anaerobic bacillus __ can result in gas pockets and necrosis in the tissues (gas gangrene).
A) Bacillus subtilis B) Listeria monocytogenes C) Streptomyces D) Mycobacterium tuberculosis E) Clostridium perfringens |
steptomyces
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Consuming dairy products contaminated with the cold-tolerant Gram-positive coccobacillus ___ may result in mild illness in most people, but can result in stillbirth if contracted during pregnancy.
A) Bacillus thuringiensis B) Clostridium botulinum C) Lactobacillus D) Listeria monocytogenes E) Staphylococcus aureus |
Listeria monocytogenes
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. Furuncles (boils) and carbuncles are pus-filled infections with Gram-positive non-hemolytic coccus __, which is part of the normal microbiota of the skin.
A) Staphylococcus epidermidis B) Actinomyces C) Clostridium difficile D) Mycobacterium leprae E) Streptococcus mutans |
staphylococcus epidermidis
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. An increasing number of antibiotic-resistant nosocomial infections are the result of fecal contamination containing the non-hemolytic Gram-positive diplococcus:
A) Actinomyces. B) Clostridium difficle. C) Enterococcus faecalis. D) Staphylococcus aureus. E) Streptococcus pneumoniae. |
Enterococcus faecalis
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Bacillus
anthrax hansen's disease impetigo neonatal tetanus scarlet fever |
anthrax
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Clostridium
anthrax hansen's disease impetigo neonatal tetanus scarlet fever |
neonatal tetanus
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Mycobacterium
anthrax hansen's disease impetigo neonatal tetanus scarlet fever |
hansen's disease
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Staphylococcus
anthrax hansen's disease impetigo neonatal tetanus scarlet fever |
impetigo
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streptococcus
anthrax hansen's disease impetigo neonatal tetanus scarlet fever |
scarlet fever
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Which of the following is a systemic disease caused by toxins produced by Staphylococcus aureus?
A) scarlet fever B) pyoderma C) actinomycosis D) toxic shock syndrome E) pseudomembranous colitis |
toxic shock syndrome
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The form of leprosy associated with severe disfigurement of the extremities is __ leprosy.
A) carbunclular B) lepromatous C) mycolic D) tuberculoid E) armadilloid |
lepromatous
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Superficial infections with the aerobic non-motile Gram-positive bacillus __ result in a black lesion which eventually heals, leaving a scar, but gastrointestinal infections are life-threatening.
A) Bacillus anthracis B) Bacillus cereus C) Clostridium difficle D) Clostridium tetani E) Enterococcus faecalis |
Bacillius anthracis
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. Dr. Semmelweis introduced handwashing in an effort to reduce postpartum sepsis, an infection of the reproductive tract and pelvic cavity by the hemolytic Gram-positive coccus:
A) Bacillus subtilis. B) Mycobacterium tuberculosis. C) Streptococcus pyogenes. D) Staphylococcus aureus. E) Both A and B. |
Streptococcus pyogenes
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The bacterium responsible for creating the biofilm known as dental plaque is the Gram-positive alpha-hemolytic coccus:
A) Staphylococcus aureus. B) Streptococcus agalactiae. C) Streptococcus mutans. D) Streptococcus pneumoniae. E) Stickium toothis |
Streptococcus mutans
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The anaerobic Gram-positive endospore-forming bacillus ___ can establish opportunistic infections of wounds and produces a toxin that causes potentially fatal muscle spasms.
A) Bacillus anthracis B) Bacillus subtilis C) Lactobacillus D) Clostridium tetani E) Streptococcus pyogenes |
Clostridium tetani
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. Infection with the acid-fast filamentous bacillus __ may cause damage to skin and nerves of the extremities (fingers, nose, etc.) over the course of years to decades.
A) Actinomyces B) Bacillus polymyxa C) Clostridium difficile D) Mycobacterium leprae E) Mycobacterium tuberculosis |
Mycobacterium leprae
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. A leading cause of otitis media is the Gram-positive diplococcus:
A) Staphylococcus epidermidis B) Enterococcus faecalis C) Listeria monocytogenes D) Streptococcus agalactiae. E) Streptococcus pneumoniae. |
Streptococcus pneumoniae
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___ is a Gram-positive filamentous bacillus that is part of the microbiota, but will grow in painful necrotic masses if a puncture wound inoculates it beneath mucous membranes.
A) Actinomyces B) Listeria monocytogenes C) Streptomyces D) Mycobacterium tuberculosis E) Streptococcus mutans |
Actinomyces
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Which of the following is an intoxication disease?
A) anthrax B) botulism C) glomerulonephritis D) leprosy E) None of these. |
botulism
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Which of the following causes opportunistic infections with symptoms much like tuberculosis in immunocompromised persons?
A) Clostridium difficile B) Mycobacterium avium C) Actinomyces D) Streptococcus pneumoniae E) Mycobacterium leprae. |
Mycobacterium avium
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Which of the following is contracted primarily by contact?
A) botulism B) gas gangrene C) impetigo D) listeriosis E) tuberculosis |
impetigo
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Which of the following Bacillus species produces an antibiotic?
A) B. anthracis B) B. cereus C) B. polymyxa D) B. subtilis E) Both C and D. |
B Cereus
Bpolymyxa |
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The disorder ___ is a potentially serious complication of strep infections.
A) impetigo B) furuncle C) glomerulonephritis D) biofilm E) pseudomembranous colitis |
glomerulonephritis
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True or False. Standard cooking times and temperatures are sufficient to destroy bacterial endospores.
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False
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Bacteria in the genus ___ can tolerate wide ranges of pH, salt concentration, temperature and oxygen levels.
A) Bacillus B) Clostridium C) Listeria D) Staphylococcus E) Mycobacteria |
Staphylococcus
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Which of the following diseases cannot be prevented by vaccination?
A) leprosy B) pneumococcal pneumonia C) tetanus D) toxic shock syndromeE) Both A and D. |
leprosy
toxic shock syndrome |
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The toxin produced by Clostridium __ can be used to treat various disorders.
A) botulinum B) difficile C) perfringens D) tetani E) What, are you crazy?! |
botulinum
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Members of the __ are called “acid-fast” bacteria due to their resistance to Gram staining and acids.
A) Actinobacteria B) Bacilli C) Clostridia D) Mycobacteria E) Both B and C. |
Mycobacteria
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The development of antibiotic resistance is a serious and growing problem with infections with:
A) Clostridium difficile B) Lactobacillus C) Mycobacterium tuberculosis D) Staphylococcus aureus E) Both C and D. |
Mycobacterium tuberculosis
Staphylococcus aureus |
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Use of herbal or cosmetic remedies applied to the navel to try to hasten healing has resulted in newborns contracting:
A) infant botulism. B) listeriosis. C) neonatal meningitis. D) neonatal tetanus. E) scalded skin syndrome. |
neonatal meningitis
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Which of the following bacteria is/are part of the normal human microbiota?
A) Clostridium difficle B) Lactobacillus C) Staphylococcus epidermidis D) Actinomyces E) All of these are. |
All of these are
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The filamentous Gram-positive bacillus ___ of the phylum Actinobacteria is the source of a wide variety of antibiotics.
A) Staphylococcus aureus. B) Staphylococcus epidermidis. C) Streptomyces D) Streptococcus pneumoniae. E) Streptococcus agalactiae |
Steptomyces
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Polymerase Chain Reaction (PCR) is an identification method which detects the __ of a microbe.
A) antigenic variation B) cell wall structure C) cell morphology D) genetic characteristics E) physiologic properties |
Cell wall structure
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. Which of the following bacterial metabolic activities are targets for antibiotics?
A) cell wall synthesis B) DNA synthesis C) protein synthesis D) folic acid synthesis E) All of these are. |
All of these
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The bacterial virulence factoer responsible for the signs and symptoms of Scarlet fever is
A. botulin toxin B. erythrogenic toxin C. exfoliative toxin D. hemolysin E. tetanospasmin toxin |
erythrogenic toxin
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The Gram-Psotive coccus_________ is the primary cause of nectrotizing fascilitis. In microbial test, it is beta-hemolytic and sensitive to bacitracin
A. Clostridium botulinum B. Listeria Monocytogenes C. Streptococcus mutans D. Staphylococcus aureus E. Streptococcus pyogenes |
streptococcus pyogenes
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The disease know as ____ results when babies ingest endospores contiaminating honey or other food items and the bacteria establis an infection in the intestines
A. floppy baby syndrome B. pyoderma C. Scarlet fever D. pseudomembranous colitis E. listeriosis |
foppy baby syndrome
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Neonatal tetanus is the result of infection of the newborn's umbilicus with:
A. Clostridium botulinum B. Clostridium tetani C. Actinomyces D. staphylococcus epidermidis E. Streptococcus pneumoniae |
clostridium tetani
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Which of the following is zoonosis?
A. actinomycosis B. Anthrax C. Botulism D. leprosy e. pyoderma |
anthrax
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Which of the fllowing in NOT a target for antibiotic therapy?
A. Dna synthese B. Protein synthesis C. Folic Acid Synthsis D. Cell Wall Synthesis E. lipid synthesis |
lipid synthesis
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A Vaccine is available to prevent
a. impetigo B. Gas Gangrene C. leprosy D. pneumococcal pneumonia e. Strep troat |
pneumococcal pneumonia
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Which of the following is a characteristic of bacterial microscopic morphology?
a. pigment b. Gram stain reaction c. elevation d. smell e. texture 0.0% f. both D and E. |
Gram stain reaction
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Bacteria in the phylum Firmicutes have a thick peptidoglycan cell wall and stain Gram-negative (pink).
True False |
False
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A test for the diagnosis of Scarlet fever is the __ test.
a. ASO b. Blood agar c. Mantoux d. Quellung e. Schulz-Carlton |
Schulz-Carlton
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The bacillus ___ is a component of human microbiota that is a strict anaerobe, is capable of forming endospores and causes an opportunistic disease.
a. Clostridium botulinum b. Clostridium difficile c. Bacillus cereus d. Listeria monocytogenes e. Streptococcus mutans |
clostridium difficile
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The bacterium __ produces exfoliative toxin, causing a disorder known as scalded skin syndrome sometimes seen in young babies.
a. Bacillus anthracis b. Clostridium perfringens c. Listeria monocytogenes d. Staphylococcus aureus e. Enterococcus faecalis |
Staphylococcus aureus
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An inflammed throat with pustules and high fever may be the result of infection with the bacitracin-sensitive Gram (+) coccus:
a. Bacillus cereus b. Clostridium botulinum c. Streptococcus pyogenes d. Staphylococcus aureus e. Actinomyces |
streptococcus pyogenes
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The ingestion of the Gram(+) coccobacillus ____results in symptoms of mild food poisoning but may cross the placenta to infect and kill the fetus.
a. Clostridium difficle b. Streptococcus agalactiae c. Mycobacterium tuberculosis d. Streptococcus pyogenes e. Listeria monocytogenes |
Listeria monocytogenes
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Which of the following structures or functions is NOT a target for antibiotics?
a. DNA synthesis b. folic acid synthesis c. cell wall synthesis d. protein synthesis e. capsule synthesis |
protein synthesis
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