QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS lOMoARcPSD| 69811638
UAMS MICRO EXAM 4 QUESTIONS AND
ANSWERS WITH COMPLETE
SOLUTIONS 100% CORRECT RATED A+
Microbiology: Specimen Processing, Testing, & Microscopy
Which clinical specimens require a cytospin slide preparation prior to
staining and examination?
✔✔ Cerebrospinal Fluid (CSF) and normally sterile body fluids (used to
concentrate low-abundance cells onto a small microscope slide area).
What secondary procedure must be performed when a rapid bacterial
antigen test for Group A Streptococcus (GAS) yields a negative result?
✔✔ Accept the rapid test result and set up a throat culture for definitive
GAS detection.
What are the primary purposes of utilizing transport media for clinical
specimens?
✔✔ To keep organisms alive during transit, prevent specimen drying, and
maintain stable pH levels.
Which microscope objective lens is used to examine and enumerate
bacteria?
✔✔ 100x Oil Immersion objective
Which microscope objective lens is used to examine and enumerate host
cells (e.g., epithelial cells or white blood cells)?
✔✔ 10x Low Power objective
Which gram stain smear indicates a high quality specimen? -
ANSWER✔✔Many PMNs and few/no squamous epithelial cells
Select the media typically used to culture CSF. -ANSWER✔✔BAP,
CHOC, Enriched Broth (THIO, BHI)
Select the media typically used to culture Sputum -ANSWER✔✔BAP,
CHOC, EMB or MAC
Select the media typically used to culture Urine -ANSWER✔✔BAP,
EMB/MAC
)
, QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS lOMoARcPSD| 69811638
Select the media typically used to culture Wounds. -ANSWER✔✔BAP,
PEA or CNA, EMB or MAC, CHOC
Urine stored if they cannot be processed immediately or preserved? -
ANSWER✔✔Refrigerate specimen
Stool stored if they cannot be processed immediately or preserved? -
ANSWER✔✔Refrigerate specimen
Sputum stored if they cannot be processed immediately or preserved? -
ANSWER✔✔Refrigerate specimen
Blood culture stored if they cannot be processed immediately or
preserved? -ANSWER✔✔Hold at room temperature
CSF stored if they cannot be processed immediately or preserved? -
ANSWER✔✔Hold at room temperature
One organism at 105 CFU/ml -ANSWER✔✔Probable UTI
Three organisms in equal numbers -ANSWER✔✔Probable contamination
One organism at 105 CFU/ml and one organism at 30 colonies -
ANSWER✔✔Probable UTI
Select the organisms that are considered normal flora of humans -
ANSWER✔✔Staph aureus, Haemophilus influenzae, Enterococcus
faecalis, Corynebacterium species, E. coli, Streptococcus pneumoniae
Beta-lactam drugs includes penicillins, penicillinase resistant penicillins,
extended-spectum penicillins, cephems, __________, and __________. -
ANSWER✔✔Carbapenems and monobactam
)
, QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS lOMoARcPSD| 69811638
Which drugs are included in the natural penicillins? -
ANSWER✔✔Penicillin G & V
Which drugs are included in the penicillinase resistant penicillins? -
ANSWER✔✔Methicillin, oxacillin & nafcillin
Which drugs are included in the extended-spectrum penicillins? -
ANSWER✔✔Aminopenicillins, carboxypenicillins, & ureidopenicillins
Which drugs are included in the aminopenicillins? -
ANSWER✔✔Amoxicillin & ampicillin
Which drugs are included in the carboxypenicillins? -
ANSWER✔✔Carbenicillin & ticarcillin
Which drugs are included in the ureidopenicillins -
ANSWER✔✔Azolocillin & mezlocillin
The extended-spectrum penicillins differ in their range of activity. Place
the following drugs in order of their activity starting with least effective
and ending the most effective: azlocillin, ticarcillin, ampicillin -
ANSWER✔✔Least-Ampicillin, ticarcillin, Most-azlocillin
Which drug is included in the carbapenems? -ANSWER✔✔Imipenem
Which drug is included in the monobactam group? -
ANSWER✔✔Aztreonam
Antibiotics which inhibit cell wall synthesis include penicillins,
carbapenems, monobactam, __________, and ______ -
ANSWER✔✔Cephems & vancomycin
Antibiotics which inhibit protein synthesis include tetracyclines,
erythromycin, azithromycin, clindamycin, __________, and ________ -
ANSWER✔✔Aminoglycosides & chloramphenicol
)
UAMS MICRO EXAM 4 QUESTIONS AND
ANSWERS WITH COMPLETE
SOLUTIONS 100% CORRECT RATED A+
Microbiology: Specimen Processing, Testing, & Microscopy
Which clinical specimens require a cytospin slide preparation prior to
staining and examination?
✔✔ Cerebrospinal Fluid (CSF) and normally sterile body fluids (used to
concentrate low-abundance cells onto a small microscope slide area).
What secondary procedure must be performed when a rapid bacterial
antigen test for Group A Streptococcus (GAS) yields a negative result?
✔✔ Accept the rapid test result and set up a throat culture for definitive
GAS detection.
What are the primary purposes of utilizing transport media for clinical
specimens?
✔✔ To keep organisms alive during transit, prevent specimen drying, and
maintain stable pH levels.
Which microscope objective lens is used to examine and enumerate
bacteria?
✔✔ 100x Oil Immersion objective
Which microscope objective lens is used to examine and enumerate host
cells (e.g., epithelial cells or white blood cells)?
✔✔ 10x Low Power objective
Which gram stain smear indicates a high quality specimen? -
ANSWER✔✔Many PMNs and few/no squamous epithelial cells
Select the media typically used to culture CSF. -ANSWER✔✔BAP,
CHOC, Enriched Broth (THIO, BHI)
Select the media typically used to culture Sputum -ANSWER✔✔BAP,
CHOC, EMB or MAC
Select the media typically used to culture Urine -ANSWER✔✔BAP,
EMB/MAC
)
, QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS lOMoARcPSD| 69811638
Select the media typically used to culture Wounds. -ANSWER✔✔BAP,
PEA or CNA, EMB or MAC, CHOC
Urine stored if they cannot be processed immediately or preserved? -
ANSWER✔✔Refrigerate specimen
Stool stored if they cannot be processed immediately or preserved? -
ANSWER✔✔Refrigerate specimen
Sputum stored if they cannot be processed immediately or preserved? -
ANSWER✔✔Refrigerate specimen
Blood culture stored if they cannot be processed immediately or
preserved? -ANSWER✔✔Hold at room temperature
CSF stored if they cannot be processed immediately or preserved? -
ANSWER✔✔Hold at room temperature
One organism at 105 CFU/ml -ANSWER✔✔Probable UTI
Three organisms in equal numbers -ANSWER✔✔Probable contamination
One organism at 105 CFU/ml and one organism at 30 colonies -
ANSWER✔✔Probable UTI
Select the organisms that are considered normal flora of humans -
ANSWER✔✔Staph aureus, Haemophilus influenzae, Enterococcus
faecalis, Corynebacterium species, E. coli, Streptococcus pneumoniae
Beta-lactam drugs includes penicillins, penicillinase resistant penicillins,
extended-spectum penicillins, cephems, __________, and __________. -
ANSWER✔✔Carbapenems and monobactam
)
, QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS lOMoARcPSD| 69811638
Which drugs are included in the natural penicillins? -
ANSWER✔✔Penicillin G & V
Which drugs are included in the penicillinase resistant penicillins? -
ANSWER✔✔Methicillin, oxacillin & nafcillin
Which drugs are included in the extended-spectrum penicillins? -
ANSWER✔✔Aminopenicillins, carboxypenicillins, & ureidopenicillins
Which drugs are included in the aminopenicillins? -
ANSWER✔✔Amoxicillin & ampicillin
Which drugs are included in the carboxypenicillins? -
ANSWER✔✔Carbenicillin & ticarcillin
Which drugs are included in the ureidopenicillins -
ANSWER✔✔Azolocillin & mezlocillin
The extended-spectrum penicillins differ in their range of activity. Place
the following drugs in order of their activity starting with least effective
and ending the most effective: azlocillin, ticarcillin, ampicillin -
ANSWER✔✔Least-Ampicillin, ticarcillin, Most-azlocillin
Which drug is included in the carbapenems? -ANSWER✔✔Imipenem
Which drug is included in the monobactam group? -
ANSWER✔✔Aztreonam
Antibiotics which inhibit cell wall synthesis include penicillins,
carbapenems, monobactam, __________, and ______ -
ANSWER✔✔Cephems & vancomycin
Antibiotics which inhibit protein synthesis include tetracyclines,
erythromycin, azithromycin, clindamycin, __________, and ________ -
ANSWER✔✔Aminoglycosides & chloramphenicol
)
