NBDE Part I Exam Questions With 100% Pass

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?