Description
Prescotts Microbiology 9th Edition Willey Sherwood Woolverton Test Bank
ISBN-13: 978-0073402406
ISBN-10: 0073402400
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Below you will find some free nursing test bank questions from this test bank:
Chapter 36
Clinical Microbiology and Immunology
Multiple Choice Questions
- Standard microbiological practices include all of the following except
A. Work space should be disinfected only when contaminating spills occur.
B. Eating, drinking, manipulation of contact lenses, and the use of cosmetics, gum, and tobacco products are strictly prohibited in the lab.
C. Lab personnel should know how to use the emergency eyewash and shower stations.
D. Hair longer than shoulder length should be tied back.
Fill in the Blank Questions
- Recommended guidelines for laboratory microbiological precautions should reflect the laboratory’s ________ _________.
biosafety level
Multiple Choice Questions
- Which of the following is not a guideline on selection, collection, and handling of clinical specimens?
A.A small quantity of specimen should be obtained.
B. The specimen selected should be representative of the infectious disease process.
C. The specimen should be forwarded promptly to the clinical laboratory.
D. Attention must be given to avoid contamination of the specimen.
- Which of the following tests can be used to distinguish Escherichia from Enterobacter?
A. IMVIC
B. ONPG test
C. citrate utilization
D. starch hydrolysis
- The clinical microbiology laboratory can provide preliminary identification of microorganisms based on
A.microscopic examination of specimens.
B. growth or biochemical characteristics.
C. immunologic techniques that detect microbial antigens.
D. all of the choices
- Which of the following can be examined with an ordinary bright-field microscope?
A.Wet mounts.
B. Heat-fixed specimens.
C. Chemical-fixed specimens.
D. All of the choices.
- Which of the following cell cultures consists of cells derived directly from kidney tissues?
A.Continuous cell cultures.
B. Semicontinuous cell cultures.
C. Primary cultures.
D. All of the choices.
- Which of the following cell cultures consists of transformed cells?
A.Continuous cell cultures.
B. Semicontinuous cell cultures.
C. Primary cultures.
D. All of the choices.
- Viral replication in cell cultures can be detected by
A. the observation of cytopathic effects.
B. hemadsorption.
C. gram stain.
D. the observation of cytopathic effects and hemadsorption.
- Which of the following sites could be used when inoculating hen’s eggs with an infectious agent?
A.The allantoic cavity.
B. The amniotic cavity.
C. The chorioallantoic membrane.
D. All of the choices.
- Which of the following should be isolated only by specialized research laboratories?
A.mycoplasmas
B. rickettsias
C. chlamydiae
D. all of the choices
- If one is looking for intracellular inclusion bodies, one would suspect the microorganism to be a
A.mycoplasma.
B. rickettsia.
C. chlamydia.
D. protozoan.
- Which of the following can take weeks to produce obvious growth on routine culture media?
A. mycoplasmas
B. rickettsias
C. chlamydiae
D. protozoa
- Ten percent Calcofluor White stain is often used in wet mounts of
A. bacteria.
B. parasites.
C. molds.
D. protozoa.
- In the clinical laboratory, which of the following is (are) used as a rapid method of identification?
A.Manual biochemical kit systems.
B. Mechanized/automated systems.
C. Immunologic systems.
D. All of the choices.
- An example of miniaturized commercial rapid bacterial identification system based on biochemical analysis is the
A. API 20E system.
B. Widal test.
C. Kirby-Bauer test.
D. all of the choices
- Which of the following media will permit the growth of one group of bacteria while inhibiting the growth of some other groups?
A.differential
B. selective
C. enrichment
D. characteristic
- The most common method used by clinical microbiology labs for identifying bacteria are
A.biochemical.
B. morphological.
C. PCR.
D. DNA fingerprinting.
- Which of the following is not used to culture viruses?
A.Growth on artificial media.
B. Growth in cell cultures.
C. Growth in embryonated hen’s eggs.
D. Growth in whole animals.
- Which of the following is useful in the identification of bacteria?
A.Source of the culture specimen.
B. Growth patterns on selective and differential media.
C. Hemolytic, metabolic, and fermentative properties.
D. All of the choices.
- Which of the following is routinely used to detect spirochetes in skin lesions in early syphilis?
A. bright-field microscopy
B. phase-contrast microscopy
C. dark-field microscopy
D. DNA fingerprinting
- Which of the following is/are used to detect chlamydiae in tissues and cell scrapings?
A.PCR methods.
B. Microscopy of Giemsa stained samples.
C. Immunofluorescence.
D. All of the choices.
True / False Questions
- Fungal infections are often diagnosed by direct microscopic examination of specimens.
TRUE
- The major focus of the clinical microbiologist is to rapidly isolate and identify microorganisms from clinical specimens.
TRUE
- The purpose of the clinical microbiology laboratory is to maintain cultures of microorganisms.
FALSE
- A clinical specimen represents a portion or quantity of human material for testing, examination, or study in order to determine the presence or absence of specific microorganisms.
TRUE
- The identification of mycoplasmas in clinical specimens can be quickly done because of their rapid growth rate in culture.
FALSE
- DNA probe technology identifies microorganisms by probing their genetic composition.
TRUE
- Restriction endonucleases are a class of enzymes produced by prokaryotes.
TRUE
- The principle of plasmid fingerprinting is that microbial isolates of the same strain contain the same plasmids.
TRUE
- Determining the susceptibility of a microorganism to specific chemotherapeutic agents is an important service performed in the clinical microbiology laboratory.
TRUE
- The Gram stain is used for bacteria that have cell walls while the acid-fast stain is used primarily for wall-less bacteria.
FALSE
Fill in the Blank Questions
- The use of rRNA gene sequences to identify bacterial strains is referred to as ___________.
ribotyping
- A __________ effect is an observable change that occurs in cells as a result of viral replication.
cytopathic
- Some viruses alter the plasma membrane of infected cells in such a way as to cause red blood cells to tightly adhere to the infected cells. This is called ___________.
hemadsorption
Multiple Choice Questions
- Hybridoma cells and their progeny normally produce a(n)
A. monoclonal antibody.
B. polyclonal antibody.
C. radioisotopes.
D. antigens.
True / False Questions
- Indirect immunofluorescence involves fixing the specimen onto a slide, adding fluorochrome-labeled antibodies and then incubating before examining on the microscope.
FALSE
- Identification and characterization of ova, trophozoites, and cysts of parasites is typically accomplished by direct microscopic evaluation of the clinical specimen.
TRUE
- PCR is considered more flexible and easier to modify than antibody-based identification technologies.
FALSE
Multiple Choice Questions
- The immunologic technique involving the transfer of proteins separated by electrophoresis to nitrocellulose sheets is
A. complement fixation.
B. direct immunofluorescence.
C. immunoblotting.
D. immunoelectrophoresis.
- Which of the following uses a radioisotope?
A. RIA
B. ELISA
C. API 20E
D. all of these
- Which of the following uses red blood cells?
A. hemagglutination inhibition
B. MIC
C. ELISA
D. RIA
- Which of the following tests is an agglutination test for the bacterium causing typhoid fever?
A.Quellung reaction
B. API 20E system
C. Widal test
D. IMViC
True / False Questions
- The indirect immunosorbent assay detects antibodies rather than antigens.
TRUE
- An elevated IgM titer typically indicates an active infection while an elevated IgG titer does not distinguish between active and past infections.
TRUE
Fill in the Blank Questions
- The capsular swelling that occurs when Streptococcus pneumoniae is treated with an antiserum for its specific capsular type is called the __________ reaction.
Quellung
Multiple Choice Questions
- Detection of single or multiple microorganisms based on their cell size is known as
A. flow cytometry.
B. complement fixation.
C. agglutination.
D. serotyping.
- The immunological reaction that occurs when there is an optimal ratio of antigen and antibody, producing a lattice at the zone of equivalence is known
A. immunoblotting.
B. immunoelectrophoresis.
C. immunodiffusion.
D. immunoprecipitation.
Fill in the Blank Questions
- ________ can also be used to differentiate strains of microorganisms that differ in the antigenic composition of a structure or product.
Serotyping
Multiple Choice Questions
- A colorless substrate acted on by the enzyme portion of the ligand to produce a colored product is known as a
A. antibody.
B. chromogen.
C. antigen.
D. serotype.
