MLT – Microbiology Exam Practice Questions and Answers | 100% Pass
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Course
MLT
Institution
MLT
MLT – Microbiology Exam Practice
Questions and Answers | 100% Pass
What term describes the morphology of organisms that vary in size and shape? -
Answer️️ -pleomorphic
Capsules are the basis of which test? - Answer️️ -serotyping
A mucoid colony on blood agar medium indicates that whi...
What is used for quality control for the dry heat oven? - Answer✔️✔️-Bacillus subtilis
Media that cannot be heated can be sterilized by what alternate method? - Answer✔️✔️-
filtration
What disinfectant is the most effective germicide against bacteria, spores tubercle
bacilli, fungi, and viruses? - Answer✔️✔️-chlorine bleach
What term describes a process or treatment that renders a medical device, instrument,
or environmental surface safe to handle? - Answer✔️✔️-decontamination
What color do Gram-positive bacteria stain? - Answer✔️✔️-purple/ dark blue
Acid-fast bacteria appear what color microscopically? - Answer✔️✔️-red
Acid-fast organisms in tissue are best stained by what method? - Answer✔️✔️-Kinyoun
What should be used to remove antimicrobials before culturing? - Answer✔️✔️-
antimicrobial removal device
Name some characteristics concerning sodium polyanethol sulfonate (SPS)- -
Answer✔️✔️-prevents blood from clotting, prevents phagocytosis, neutralizes the
bactericidal effect on human serum
What is the most abundant normal flora in throat culture? - Answer✔️✔️-alpha-hemolytic
streptococci
What is the most common pathogen in throat cultures? - Answer✔️✔️-Streptococcus
pyogenes
Why is it recommended to stab the blood agar plate when setting up throat cultures? -
Answer✔️✔️-some streptococci may not produce beta hemolysis under aerobic
conditions
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