NBDE Part I Exam Questions With 100%
Pass
Fungi - Answers-Organisms that exhibit dimorphism and grow on Sabouraud's medium
(low pH)
.Sabouraud agar - Answers-Type of agar used for most fungi?
.Trichophyton - Answers-Organism that causes athlete's foot (tinea pedis)
.Trichophyton - Answers-Which fungal infection leads to superficial skin disease?
.Epidermophyton & microsporum - Answers-What organisms cause dermatophytosis?
.Aspergillus - Answers-Alfatoxin is produced by what fungus?
.Intracellular parasite - Answers-Cell immunity is most important for?
.Cryptococcus - Answers-Which fungus causes cerebral/brain infarct? May spread into
the meninges and cause Cryptococcal Meningitis
.Aspergillus - Answers-Causes "fungus ball" in the lungs causing pulmonary infection in
people with AIDS or have undergone organ transplant
.Mucormycosis - Answers-Found in blood vessels (endothelium) and is often related to
diabetic patients; results in black, dead tissue in the nasal cavity and blocks the blood
supply to the brain
.Histoplasmosis - Answers-What fungus can be seen as an intracellular organism?
.Histoplasmosis - Answers-Disseminated fungi; yeast in macrophages, bird/bat
droppings, infection via respiratory droplets - different that rest of fungi
.Histoplasmosis - Answers-Which pathogen causes granulomatous lesion in lungs
resembling TB?
.Gonorrhea - Answers-Which of the following doesn't give you granulomas?
-Histoplasmosis
-Gonorrhea
-M. tuberculosis
-Tertiary syphilis
.Histoplasmosis - Answers-Which fungi does NOT cause a mucosal or epidermal rash?
,.Histoplasma capsulatum - Answers-Fungi associated with avian/bird?
.D. Cryptococcosis - Answers-Most common cause of fungal meningitis?
.Mycelium (mold) or yeast - Answers-What is dimorphism in fungus?
.Aspergillus, blastomycosis, histoplasma, coccidioides, and cryptococcus neoformans -
Answers-Fungal organisms found in the soil?
.Histoplasma capsulatum, blastomyces dermatitidis, coccioides immitis, sporothrix
shenckii, candidas albicans - Answers-Which fungus are dimorphic?
.Bacterial infection - Answers-Pt has swelling of submandibular, tenderness. Pt is
alcoholic. Radiographic-mass radiopaque (sialolith) - circumscribed, 1 cm X 1 cm, what
is the reason for swelling?
.Conjugation - Answers-Best method for bacteria to replicate and transfer most genetic
information?
.Transformation - Answers-Bacteria takes up extracellular donor DNA
.Transduction - Answers-Donor DNA packed into virus (bacteriophage) that infects the
bacteria
.Conjugation - Answers-Plasmid DNA transfer
.Attachment and adherence to host cells - Answers-Action of the pilli in organisms
pathogenicity
.Staph has catalase which gets rid of H2O2 - Answers-Difference between staph and
strep?
.Histoplasmosis - Answers-Which fungi does NOT cause a mucosal or epidermal rash?
.Bacterial infection - Answers-Pt has swelling of submandibular, tenderness. Pt is an
alcoholic. Radiographic mass radiopaque (sialolith) circumscribed, 1 cm x 1 cm, what is
the reason for swelling?
.Conjugation - Answers-Best method for bacteria to replicate & transfer most genetic
information?
.Transformation - Answers-Bacteria takes up extracellular donor DNA
.Transduction - Answers-Donor DNA packed into virus (bacteriophage) that infects the
bacteria (1 step)
,.Conjugation - Answers-Plasmid DNA transfer
.Attachment and adherence to host - Answers-Action of pilli in organisms pathogenicity?
.Staph has a catalase enzyme that gets rid of H2O2 - Answers-Difference between
staph and strep?
.Lancefield grouping - Answers-Serotype classification determined by carb
composition of cell wall (that is, describing specific carbohydrates present on the
bacterial cell wall)
.Protein production (translation) - Answers-Streptomycin inhibits...
.Enterotoxin - Answers-What aspect of staph is responsible for food poisoning?
.Produces enzyme that breaks down penicillin, beta lactamase ring - Answers-MOA of
s. aureus for drug resistance
.S. aureus - Answers-What bacteria causes endocarditis in IV drug users?
.Streptococcus viridian (alpha-hemolytic strep) - Answers-Most common type of
endocarditis?
.Infective endocarditis - Answers-What disease has Janeway lesions?
.Erythrotoxin (erthrogenic exotoxin) - Answers-Which toxin produces scarlet fever?
.Erythrogenic toxin of Group A Beta-hemolytic S. pyogenes - Answers-Rash for scarlett
fever is caused by
.Strep mutans - Answers-Produces dextran, which is glucose linked in alpha-1,6 linkage
.Glucosyltransferase - Answers-What enzyme do oral bacteria use to create dextran &
participates in bacterial aggregation on teeth?
.Glucosyltransferase - Answers-What enzyme primarily breaks down sucrose?
.Glucose and fructose - Answers-Streptococcus breaks down sucrose into what
products?
.Glucose - Answers-Dextrans are polymers of?
.Dextrans and levans - Answers-How is glucose and fructose associated with caries?
.Strep pyrogens - Answers-NOT an oral bacterium and NOT found in dental plaque
, .S. salivarius - Answers-Most common bacteria on the dorsum of the tongue
.Gram negative bacteria - Answers-Lipid A with a polysaccharide core is in which type
of organism?
.Lipopolysaccharides (LPS) - Answers-Gram negative bacteria have...
.Teichoic acids - Answers-Gram positive bacteria have...
.Bacterial cell wall - Answers-N-Muramic acid is part of...
.N-Muramic acid - Answers-Functions as a structural component of bacterial cell walls;
chlamydia has none
.D-alanine - Answers-Glycan binds what in a bacterial cell wall?
.Typhus - Answers-Rickettsia is a
.Endothelial cells of capillaries - Answers-Rickettsia diseases are destructive for/target?
.Weil Felix test is used for? - Answers-Test for Rickettsia infections
.Coxiella burnetii (can be in salivary gland) - Answers-Etiology of Q fever?
.Lipase lecithinase - Answers-The toxin of the gas gangrene organism has what kind of
enzymatic activity?
.Inhibition of neurotransmitter release (prevent release of GABA and Glycine - Answers-
Mechanism of action of the tetanus toxin?
.Pseudomembranous colitis - Answers-Over-treating with antibiotics (especially
Clindamycin), C. difficile, would show?
.Clostridium and bacillus - Answers-Spore-forming bacteria?
.Calcium dipicolinic (heat resistance of the endospore) - Answers-What ion is related to
spores?
.Mycolic acid - Answers-Mycobacterium tuberculosis has ______ that blocks antibiotics
from penetrating.
.Air-conditioning systems - Answers-Legionnaires pneumophila is mainly found in
.Trachoma due to chlamydia trachomatis - Answers-An infection of the epithelial cells of
the eye that can sometimes enter back into the nasopharynx?
Pass
Fungi - Answers-Organisms that exhibit dimorphism and grow on Sabouraud's medium
(low pH)
.Sabouraud agar - Answers-Type of agar used for most fungi?
.Trichophyton - Answers-Organism that causes athlete's foot (tinea pedis)
.Trichophyton - Answers-Which fungal infection leads to superficial skin disease?
.Epidermophyton & microsporum - Answers-What organisms cause dermatophytosis?
.Aspergillus - Answers-Alfatoxin is produced by what fungus?
.Intracellular parasite - Answers-Cell immunity is most important for?
.Cryptococcus - Answers-Which fungus causes cerebral/brain infarct? May spread into
the meninges and cause Cryptococcal Meningitis
.Aspergillus - Answers-Causes "fungus ball" in the lungs causing pulmonary infection in
people with AIDS or have undergone organ transplant
.Mucormycosis - Answers-Found in blood vessels (endothelium) and is often related to
diabetic patients; results in black, dead tissue in the nasal cavity and blocks the blood
supply to the brain
.Histoplasmosis - Answers-What fungus can be seen as an intracellular organism?
.Histoplasmosis - Answers-Disseminated fungi; yeast in macrophages, bird/bat
droppings, infection via respiratory droplets - different that rest of fungi
.Histoplasmosis - Answers-Which pathogen causes granulomatous lesion in lungs
resembling TB?
.Gonorrhea - Answers-Which of the following doesn't give you granulomas?
-Histoplasmosis
-Gonorrhea
-M. tuberculosis
-Tertiary syphilis
.Histoplasmosis - Answers-Which fungi does NOT cause a mucosal or epidermal rash?
,.Histoplasma capsulatum - Answers-Fungi associated with avian/bird?
.D. Cryptococcosis - Answers-Most common cause of fungal meningitis?
.Mycelium (mold) or yeast - Answers-What is dimorphism in fungus?
.Aspergillus, blastomycosis, histoplasma, coccidioides, and cryptococcus neoformans -
Answers-Fungal organisms found in the soil?
.Histoplasma capsulatum, blastomyces dermatitidis, coccioides immitis, sporothrix
shenckii, candidas albicans - Answers-Which fungus are dimorphic?
.Bacterial infection - Answers-Pt has swelling of submandibular, tenderness. Pt is
alcoholic. Radiographic-mass radiopaque (sialolith) - circumscribed, 1 cm X 1 cm, what
is the reason for swelling?
.Conjugation - Answers-Best method for bacteria to replicate and transfer most genetic
information?
.Transformation - Answers-Bacteria takes up extracellular donor DNA
.Transduction - Answers-Donor DNA packed into virus (bacteriophage) that infects the
bacteria
.Conjugation - Answers-Plasmid DNA transfer
.Attachment and adherence to host cells - Answers-Action of the pilli in organisms
pathogenicity
.Staph has catalase which gets rid of H2O2 - Answers-Difference between staph and
strep?
.Histoplasmosis - Answers-Which fungi does NOT cause a mucosal or epidermal rash?
.Bacterial infection - Answers-Pt has swelling of submandibular, tenderness. Pt is an
alcoholic. Radiographic mass radiopaque (sialolith) circumscribed, 1 cm x 1 cm, what is
the reason for swelling?
.Conjugation - Answers-Best method for bacteria to replicate & transfer most genetic
information?
.Transformation - Answers-Bacteria takes up extracellular donor DNA
.Transduction - Answers-Donor DNA packed into virus (bacteriophage) that infects the
bacteria (1 step)
,.Conjugation - Answers-Plasmid DNA transfer
.Attachment and adherence to host - Answers-Action of pilli in organisms pathogenicity?
.Staph has a catalase enzyme that gets rid of H2O2 - Answers-Difference between
staph and strep?
.Lancefield grouping - Answers-Serotype classification determined by carb
composition of cell wall (that is, describing specific carbohydrates present on the
bacterial cell wall)
.Protein production (translation) - Answers-Streptomycin inhibits...
.Enterotoxin - Answers-What aspect of staph is responsible for food poisoning?
.Produces enzyme that breaks down penicillin, beta lactamase ring - Answers-MOA of
s. aureus for drug resistance
.S. aureus - Answers-What bacteria causes endocarditis in IV drug users?
.Streptococcus viridian (alpha-hemolytic strep) - Answers-Most common type of
endocarditis?
.Infective endocarditis - Answers-What disease has Janeway lesions?
.Erythrotoxin (erthrogenic exotoxin) - Answers-Which toxin produces scarlet fever?
.Erythrogenic toxin of Group A Beta-hemolytic S. pyogenes - Answers-Rash for scarlett
fever is caused by
.Strep mutans - Answers-Produces dextran, which is glucose linked in alpha-1,6 linkage
.Glucosyltransferase - Answers-What enzyme do oral bacteria use to create dextran &
participates in bacterial aggregation on teeth?
.Glucosyltransferase - Answers-What enzyme primarily breaks down sucrose?
.Glucose and fructose - Answers-Streptococcus breaks down sucrose into what
products?
.Glucose - Answers-Dextrans are polymers of?
.Dextrans and levans - Answers-How is glucose and fructose associated with caries?
.Strep pyrogens - Answers-NOT an oral bacterium and NOT found in dental plaque
, .S. salivarius - Answers-Most common bacteria on the dorsum of the tongue
.Gram negative bacteria - Answers-Lipid A with a polysaccharide core is in which type
of organism?
.Lipopolysaccharides (LPS) - Answers-Gram negative bacteria have...
.Teichoic acids - Answers-Gram positive bacteria have...
.Bacterial cell wall - Answers-N-Muramic acid is part of...
.N-Muramic acid - Answers-Functions as a structural component of bacterial cell walls;
chlamydia has none
.D-alanine - Answers-Glycan binds what in a bacterial cell wall?
.Typhus - Answers-Rickettsia is a
.Endothelial cells of capillaries - Answers-Rickettsia diseases are destructive for/target?
.Weil Felix test is used for? - Answers-Test for Rickettsia infections
.Coxiella burnetii (can be in salivary gland) - Answers-Etiology of Q fever?
.Lipase lecithinase - Answers-The toxin of the gas gangrene organism has what kind of
enzymatic activity?
.Inhibition of neurotransmitter release (prevent release of GABA and Glycine - Answers-
Mechanism of action of the tetanus toxin?
.Pseudomembranous colitis - Answers-Over-treating with antibiotics (especially
Clindamycin), C. difficile, would show?
.Clostridium and bacillus - Answers-Spore-forming bacteria?
.Calcium dipicolinic (heat resistance of the endospore) - Answers-What ion is related to
spores?
.Mycolic acid - Answers-Mycobacterium tuberculosis has ______ that blocks antibiotics
from penetrating.
.Air-conditioning systems - Answers-Legionnaires pneumophila is mainly found in
.Trachoma due to chlamydia trachomatis - Answers-An infection of the epithelial cells of
the eye that can sometimes enter back into the nasopharynx?
