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Path Micro Quz71) Worc a ings Revew ew Foxt PDR 1 Normal 1 No Spa.. Heading 1 He

ID: 262727 • Letter: P

Question

Path Micro Quz71) Worc a ings Revew ew Foxt PDR 1 Normal 1 No Spa.. Heading 1 Heading 2 Title Su Paragraph Each question is worth 4 points for a total of 20 points 1. Clostridium histolyticum is? a. Gram negative b. Spore forming c. Non-spore forming d. The causative agent of botulism 2. Bacteroides fragilis is? a. Spore forming b. Mycobacterium c. Gram negative d. Non-spore forming 3. The egg-yolk agar (EYA) plates will test what? a. Non-spore formers for lactose fermentation b. Spore formers for lecithinase and lipase c. Spore formers for lipase and glucose fermentation d. Non-spore formers for lecithinase only 4. The bile esculin agar plates will help you isolate which species? a. Clostridium histolyticum b. Bacteroides fragilis c. Clostridium difficile d. Proprionibacterium acnes 5. All anaerobes are spore forming. a. TRUE b. FALSE

Explanation / Answer

Clostridium histolyticum is spore forming

Bacteroides fragilis is non spore forming

The egg yolk agar plates will test spore former for lecithinage and lipase

The bile esculin agar plates will help you to isolate Bacteroid fragilis species

All anaerobes are spore forming FALSE

The arginine dihydrolase broth test will change from yellow to purple if the strain is positive for arginine dihydrolase

Pseudomonas species have flagella TRUE