UAMS Micro Exam 4 Questions and Answers
(100% Correct Answers) Already Graded A+
Which clinical specimen(s) require a cytospin slide?— [
Ans: ] CSF and normally sterile body fluids
What procedure should be performed when a bacterial
antigen test for Group A Strep is negative?— [ Ans: ]
Accept the result and setup a culture for GAS
What is the purpose of transport media?— [ Ans: ] Keeps
the organisms alive
Prevents drying of the specimen
Prevents pH changes in the specimen
Which microscope objective is used to examine and
enumerate BACTERIA?— [ Ans: ] 100x (oil)
Which microscope objective is used to examine and
enumerate host cells?— [ Ans: ] 10x
Which gram stain smear indicates a high quality
specimen?— [ Ans: ] Many PMNs and few/no squamous
epithelial cells
Select the media typically used to culture CSF.— [ Ans: ]
BAP, CHOC, Enriched Broth (THIO, BHI)
,Select the media typically used to culture Sputum— [ Ans:
] BAP, CHOC, EMB or MAC
Select the media typically used to culture Urine— [ Ans: ]
BAP, EMB/MAC
Select the media typically used to culture Wounds.— [
Ans: ] BAP, PEA or CNA, EMB or MAC, CHOC
Urine stored if they cannot be processed immediately or
preserved?— [ Ans: ] Refrigerate specimen
Stool stored if they cannot be processed immediately or
preserved?— [ Ans: ] Refrigerate specimen
Sputum stored if they cannot be processed immediately or
preserved?— [ Ans: ] Refrigerate specimen
Blood culture stored if they cannot be processed
immediately or preserved?— [ Ans: ] Hold at room
temperature
CSF stored if they cannot be processed immediately or
preserved?— [ Ans: ] Hold at room temperature
One organism at 105 CFU/ml— [ Ans: ] Probable UTI
Three organisms in equal numbers— [ Ans: ] Probable
contamination
One organism at 105 CFU/ml and one organism at 30
colonies— [ Ans: ] Probable UTI
,Select the organisms that are considered normal flora of
humans— [ Ans: ] 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 __________.— [ Ans: ]
Carbapenems and monobactam
Which drugs are included in the natural penicillins?— [
Ans: ] Penicillin G & V
Which drugs are included in the penicillinase resistant
penicillins?— [ Ans: ] Methicillin, oxacillin & nafcillin
Which drugs are included in the extended-spectrum
penicillins?— [ Ans: ] Aminopenicillins,
carboxypenicillins, & ureidopenicillins
Which drugs are included in the aminopenicillins?— [ Ans:
] Amoxicillin & ampicillin
Which drugs are included in the carboxypenicillins?— [
Ans: ] Carbenicillin & ticarcillin
Which drugs are included in the ureidopenicillins— [ Ans:
] 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— [ Ans: ] Least-Ampicillin,
ticarcillin, Most-azlocillin
Which drug is included in the carbapenems?— [ Ans: ]
Imipenem
Which drug is included in the monobactam group?— [
Ans: ] Aztreonam
Antibiotics which inhibit cell wall synthesis include
penicillins, carbapenems, monobactam, __________, and
______— [ Ans: ] Cephems & vancomycin
Antibiotics which inhibit protein synthesis include
tetracyclines, erythromycin, azithromycin, clindamycin,
__________, and ________— [ Ans: ] Aminoglycosides &
chloramphenicol
Which drugs inhibit DNA synthesis?— [ Ans: ] Quinolones
and metronidazole
Which drugs inhibit folic acid synthesis?— [ Ans: ]
Sulfonamides & trimethoprim
Which drugs act on the cytoplasmic membrane?— [ Ans: ]
Bacitracin & polymyxins
Which drug damages DNA and bacterial enzymes?— [ Ans:
] Nitrofurantoin
Name the 1st generation cephems.— [ Ans: ] Cephalothin
& cefazolin
(100% Correct Answers) Already Graded A+
Which clinical specimen(s) require a cytospin slide?— [
Ans: ] CSF and normally sterile body fluids
What procedure should be performed when a bacterial
antigen test for Group A Strep is negative?— [ Ans: ]
Accept the result and setup a culture for GAS
What is the purpose of transport media?— [ Ans: ] Keeps
the organisms alive
Prevents drying of the specimen
Prevents pH changes in the specimen
Which microscope objective is used to examine and
enumerate BACTERIA?— [ Ans: ] 100x (oil)
Which microscope objective is used to examine and
enumerate host cells?— [ Ans: ] 10x
Which gram stain smear indicates a high quality
specimen?— [ Ans: ] Many PMNs and few/no squamous
epithelial cells
Select the media typically used to culture CSF.— [ Ans: ]
BAP, CHOC, Enriched Broth (THIO, BHI)
,Select the media typically used to culture Sputum— [ Ans:
] BAP, CHOC, EMB or MAC
Select the media typically used to culture Urine— [ Ans: ]
BAP, EMB/MAC
Select the media typically used to culture Wounds.— [
Ans: ] BAP, PEA or CNA, EMB or MAC, CHOC
Urine stored if they cannot be processed immediately or
preserved?— [ Ans: ] Refrigerate specimen
Stool stored if they cannot be processed immediately or
preserved?— [ Ans: ] Refrigerate specimen
Sputum stored if they cannot be processed immediately or
preserved?— [ Ans: ] Refrigerate specimen
Blood culture stored if they cannot be processed
immediately or preserved?— [ Ans: ] Hold at room
temperature
CSF stored if they cannot be processed immediately or
preserved?— [ Ans: ] Hold at room temperature
One organism at 105 CFU/ml— [ Ans: ] Probable UTI
Three organisms in equal numbers— [ Ans: ] Probable
contamination
One organism at 105 CFU/ml and one organism at 30
colonies— [ Ans: ] Probable UTI
,Select the organisms that are considered normal flora of
humans— [ Ans: ] 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 __________.— [ Ans: ]
Carbapenems and monobactam
Which drugs are included in the natural penicillins?— [
Ans: ] Penicillin G & V
Which drugs are included in the penicillinase resistant
penicillins?— [ Ans: ] Methicillin, oxacillin & nafcillin
Which drugs are included in the extended-spectrum
penicillins?— [ Ans: ] Aminopenicillins,
carboxypenicillins, & ureidopenicillins
Which drugs are included in the aminopenicillins?— [ Ans:
] Amoxicillin & ampicillin
Which drugs are included in the carboxypenicillins?— [
Ans: ] Carbenicillin & ticarcillin
Which drugs are included in the ureidopenicillins— [ Ans:
] 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— [ Ans: ] Least-Ampicillin,
ticarcillin, Most-azlocillin
Which drug is included in the carbapenems?— [ Ans: ]
Imipenem
Which drug is included in the monobactam group?— [
Ans: ] Aztreonam
Antibiotics which inhibit cell wall synthesis include
penicillins, carbapenems, monobactam, __________, and
______— [ Ans: ] Cephems & vancomycin
Antibiotics which inhibit protein synthesis include
tetracyclines, erythromycin, azithromycin, clindamycin,
__________, and ________— [ Ans: ] Aminoglycosides &
chloramphenicol
Which drugs inhibit DNA synthesis?— [ Ans: ] Quinolones
and metronidazole
Which drugs inhibit folic acid synthesis?— [ Ans: ]
Sulfonamides & trimethoprim
Which drugs act on the cytoplasmic membrane?— [ Ans: ]
Bacitracin & polymyxins
Which drug damages DNA and bacterial enzymes?— [ Ans:
] Nitrofurantoin
Name the 1st generation cephems.— [ Ans: ] Cephalothin
& cefazolin
