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GPC Exam Questions With 100% Verified Solutions 2024
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GPC Exam Questions With 100% Verified Solutions 2024
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GPC Exam Questions With 100% VerifiedSolutions 2024
catalase CORRECT ANSWERS An enzyme produced in all cells to decompose
hydrogen peroxide, a by-product of cell respiration
-picking up organism with an iron loop
-pseudocatalase CORRECT ANSWERS 2 causes for false positive catalase test
oxygen released from hydrogen peroxide CORRECT ANSWERS what causes bubbles
with catalase test
-micrococcus
-staphylococcus CORRECT ANSWERS organisms that are catalase positive
bacteriostatic CORRECT ANSWERS Antibiotic that inhibits further bacterial growth
Bacteriocidal CORRECT ANSWERS Antibiotic that kills bacteria
-bacitracin and furazolidone CORRECT ANSWERS antibiotics that differ micrococcus
from Coag negative staphylococcus
resistant to furazolidione
sensitive to bacitracin CORRECT ANSWERS S/R with micrococcus to bacitracin and
furazolidone
-sensitive to furazolidione
-resistant to bacitracin CORRECT ANSWERS S/R with coat negative stamp to
bacitracin and furazolidone
Modified oxidase test CORRECT ANSWERS tests for C-type cytochromes in gram-
positive organisms grown under certain conditions
dark blue CORRECT ANSWERS positive Modified oxidase test color
micrococcus CORRECT ANSWERS Organism positive for modified oxidase
staph and strep CORRECT ANSWERS organisms negative for modified oxidase test
Lysostaphin CORRECT ANSWERS Mixture of enzymes that lyse cell walls of Staph
coagulase CORRECT ANSWERS Enzyme an organism possesses that has the ability
to clot plasma
, clumping CORRECT ANSWERS The slide coagulase test detects what
clots CORRECT ANSWERS The tube coagulase test detects what?
bound coagulase CORRECT ANSWERS The slide test measures bound or free
coagulase
free coagulase CORRECT ANSWERS The tube method measures bound or free
coagulase
S.aurues CORRECT ANSWERS The coagulase test is mainly to detect what organism?
DNase CORRECT ANSWERS enzyme that breaks down DNA
S. epidermis negative (purple color) CORRECT ANSWERS Trehalose mannitol broth is
used to ID what org
S. saphrophyticus CORRECT ANSWERS Organism that is resistant to novobiocin
Pyrrolindonyl arylamidase (PYR) CORRECT ANSWERS Test that detects the enzyme
L-pyrrolidonyl arylamidase
pink CORRECT ANSWERS What color is a positive PYR test
-Group A strep
-enterococcus CORRECT ANSWERS What organisms are PYR positive
Gr. D strep CORRECT ANSWERS What organism is PYR negative
Ornithine decarboxylase CORRECT ANSWERS Enzyme that catalyzes the
decarboxylation of ornithine to make patricine
S. lungdunensis CORRECT ANSWERS What organism is ornithine positive
purple CORRECT ANSWERS color of positive ornithine test
pink CORRECT ANSWERS positive urease color
-S. epi
-S. entermedis
-S. saprophyticus CORRECT ANSWERS What organisms are urease positive
-round, smooth
-white, creamy or buttery on SBA CORRECT ANSWERS how does staph species look
on SBA
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