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Microbiology

Discover Microbiology: 822 flashcards with questions and answers.

Subject
Sciences / Chemistry
Language of creation
English
822 flashcards No ratings yet 0 views
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Cards in this set

Card 341

Question

Which pathogen is paid the most attention in anaerobically packed foods?

Answer

Clostridium botulinum

Card 342

Question

Name the spore-forming anaerobic bacterium that is the concern in improperly processed canned goods and can produce a neurotoxin.

Answer

Clostridium botulinum

Card 343

Question

Which specific spore-forming bacterium is associated with the danger of swollen cans in low-acid foods?

Answer

Clostridium botulinum

Card 344

Question

Which pathogen is most associated with refrigerated, vacuum-packaged seafood?

Answer

Clostridium botulinum type E.

Card 345

Question

What organism has the highest heat tolerance?

Answer

Clostridium botulinum.

Card 346

Question

Which pathogen is commonly associated with garlic in oil?

Answer

Clostridium botulinum.

Card 347

Question

Which microorganism is most commonly associated with botulism?

Answer

Clostridium botulinum.

Card 348

Question

Steam table disease is caused by consumption of meat dishes adequately cooked but held at 50-55 degrees C for several hours. the causative agent is _____________.

Answer

Clostridium perfringens

Card 349

Question

What spoilage organisms are most likely to be found vacuum packed, refrigerated meats held for several weeks?

Answer

Clostridium perfringens

Card 350

Question

Which foodborne pathogen also causes necrotic enteritis in poultry and gas gangrene in humans?

Answer

Clostridium perfringens

Card 351

Question

Which bacterium is used in setting adequate heat treatment in canning industry to eliminate Clostridium botulinum?

Answer

Clostridium sporogenes PA 3679

Card 352

Question

What class of microorganism causes swelling of cans upon heating?

Answer

Clostridium thermosaccharolyticum

Card 353

Question

Name one spore-forming, thermophilic bacterium that can spoil canned foods.

Answer

Clostridium thermosaccharolyticum.

Card 354

Question

What is the genus of bacteria most often linked to botulism?

Answer

Clostridium.

Card 355

Question

Name the body of FAO-WHO that deals with food standards including pesticides.

Answer

Codex Alimentarius commission

Card 356

Question

What does the acronym CFU stand for?

Answer

Colony Forming Units

Card 357

Question

What are teratogenic agents?

Answer

Compounds that could induce or cause birth defects or developmental malformations

Card 358

Question

What is the difference in a wild and controlled fermentation?

Answer

Controlled adds microorganism and wild uses those already present

Card 359

Question

What is the lethal rate used to calculate?

Answer

converts the thermal death time at temperature T to equivalent thermal death time at a reference temperature in order to destroy the same population of spores

Card 360

Question

The local Health Department reported salmonella. Which one of the following is a practice that could result in an outbreak of salmonella?

Answer

Cooked chicken is cut on the same board used to cut the raw chicken.

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