Block 7 Flashcards
(29 cards)
Number 1 cause of death in developed countries
CHD
Number 1 cause of death in developing countries
Lower Respiratory infections
KOH prep detects
Fungi and fungal hyphae
Calcoflour white detects
Fungi and fungal hyphae (fluorescent)
Gram stains detect
Bacteria
Acid-Fast (Ziehl-Neelsen) detects
Mycobacterium/TB and others
Wright-Giemsa test
Blood smear that detects WBC, epithelial inclusion bodies, and protozoans
Minimal Inhibitory Concentration (MIC)
Lowest amount of drug that inhibits bacterial replication
Minimal Bacteriocidal Concentration (MBC)
Minimum amount of drug that kills bacteria
Most common lactose fermenter?
E. Coli
Neutrophilia suggests?
Bacterial infection
Lymphocytosis/neutropenia suggests
Viral infection
C-Reactive Protein/sedimentation rate suggests
Inflammation
Eosinophilia suggests
Allergies/parasites?
Blood agar detects
Most bacteria
Chocolate agar detects
Fastidious bacteria
Haemophilus
Neisseria
Thayer-Martin agar
Neisseria
MacConkey agar
Gram negative rods
Mannitol Salt Agar
Staphylococci
Lowenstein-Jensen
Mycobacterium ssp.
Sabouraud agar
Fungi
Bacterial cell wall has what?
Peptidoglycan
Difference in gram positive and gram negative bacteria
Gram positive 2 layers, thick peptidoglycan layer
Gram negative 3 layers, outer membrane with LPS and thin peptidoglycan layer
What part of LPS is endotoxin? What triggers its release? Effect on body?
Lipid A, released when body lyses GNRs, causes inflammation, fever, and possible fatal shock.
