Specimen Management Flashcards
All of the following are differential media except:
a. Blood agar
b. Chocolate agar
c. MacConkey’s agar
d. Eosin methylene blue agar
b. Chocolate agar
Selective media:
a. May be differential
b. Allow growth of all organisms
c. Are utilized for growth of fastidious organisms
d. Contain dyes or antibiotics to suppress the growth of some
organisms
d. Contain dyes or antibiotics to suppress the growth of some
organisms
A urine specimen was collected at 8 a.m. The nurse labeled the sample and placed it next to the tube station to be sent to the laboratory for testing. The specimen was received in the laboratory for culture at 1 p.m. on the same day. The microbiologist should:
a. Set up a routine bacteriology culture
b. Set up a routine bacteriology culture and note the time
c. Reject the specimen
d. Call the nurse to explain why the specimen was rejected and
request a new sample
d. Call the nurse to explain why the specimen was rejected and
request a new sample
Niesseria gonorrhoeae are capnophilic organisms and require:
a. 5%-10% CO2, 15% O2
b. 5%-10% H2, 0% O2
c. 0.3% CO2, 21% O2
d. 8%-10% CO2, 5%-10% O2
a. 5%-10% CO2, 15% O2
Specimens may include all of the following except:
a. sputum
b. tissue biopsy
c. vacutainer needle
d. rectal swab
c. vacutainer needle
Enrichment broth is used to:
a. Shorten incubation time by providing excess nutrients b. Suppress normal flora to allow pathogens to grow
c. Detect small numbers of anaerobes
d. Increase the growth of fastidious organisms
d. Increase the growth of fastidious organisms
True or False
Nutritive media supports the growth of all organisms.
False
True or False
A requisition should include patient’s name, hospital ID, birth
date, specimen source, and collection date/time.
True
True or False
EDTA is commonly used to collect blood for specimens in the
microbiology laboratory.
False
True or False
Microbiologic specimens should be set up within 2 hours of
collection.
False
True or False
Serum samples may be stored frozen for up to 1 week.
True
Matching
SPS
a. selective
b. positive CSF
c. differential
d. blood culture systems
e. requires oxygen
f. microaerophilic
g. tryptic soy broth
h. with or without oxygen
i. room temperature
j. fastidious organisms
d. blood culture systems
Matching
Aerobic
a. selective
b. positive CSF
c. differential
d. blood culture systems
e. requires oxygen
f. microaerophilic
g. tryptic soy broth
h. with or without oxygen
i. room temperature
j. fastidious organisms
e. requires oxygen
Matching
Ambient temperature
a. selective
b. positive CSF
c. differential
d. blood culture systems
e. requires oxygen
f. microaerophilic
g. tryptic soy broth
h. with or without oxygen
i. room temperature
j. fastidious organisms
i. room temperature
Matching
Enrichment
a. selective
b. positive CSF
c. differential
d. blood culture systems
e. requires oxygen
f. microaerophilic
g. tryptic soy broth
h. with or without oxygen
i. room temperature
j. fastidious organisms
g. tryptic soy broth
