ACTUAL Exam Questions and CORRECT
Answers
organisms that exhibit dimorphism and grow on Sabouraud's medium (low pH) - CORRECT
ANSWER - Fungi
Type of Agar used for most fungi - CORRECT ANSWER - Sabouraud agar
Organism that causes athletes foot - CORRECT ANSWER - Trichophyton
What produces aflatoxin? - CORRECT ANSWER - Aspergillus
what can be seen as an intracellular organism? - CORRECT ANSWER - Histoplasmosis
Disseminated or systemic fungi? - CORRECT ANSWER - Histoplasmosis
Which pathogen causes granulomatous lesions in the lungs resembling TB, similar symptoms? -
CORRECT ANSWER - Histoplasmosis
what is dimorphism in fungus? - CORRECT ANSWER - mycelium (mold) or as yeast
Difference between staph and strep? - CORRECT ANSWER - Catalase enyzme; staph
species are catalase positive to get rid of H2O2
which toxin produces scarlet fever? - CORRECT ANSWER - Erythrotoxin of group a beta
heolytic s. pyogenes
, what enzyme primarily breaks down sucrose? - CORRECT ANSWER -
glucosyltransferase (dextran sucrase)
dextrans form polymers of? - CORRECT ANSWER - glucose
which of the following does not cause pnemonia? - CORRECT ANSWER - strep mutans
and staph aureus
lipid A is a component of what kind of bacteria? - CORRECT ANSWER - gram negative
bacteria
Lipopolysaccharides are components of what kind of bacteria? - CORRECT ANSWER -
gram negative
techoic acids are components of what kind of bacteria? - CORRECT ANSWER - gram
positive bacteria
what does rickettsia need to be transmitted to humans? - CORRECT ANSWER - an insect
vector
what are gram positive spore forming bacteria? - CORRECT ANSWER - clostridium &
bacillus
what ion is related to spores? - CORRECT ANSWER - calcium dipicolinic
what can be a result of chlamydia trachomatis? - CORRECT ANSWER - blindness
what is the most common cause of non-gonococcal urethritis - CORRECT ANSWER -
chlamydia