Bacteria — Flashcards

Flashcard 781: Indirect transmission of Francisella tularensis results from inhalation of _____

Answer: aerosol

Flashcard 782: _____ is the transfer of specific DNA between bacteria using bacteriophages

Answer: Specialized transduction

Flashcard 783: Which bacteria causes slow-onset diarrhea via the ingestion of vegetative cells (which then sporulate and produce enterotoxin in the gut)?

Answer: Clostridium perfringens

Flashcard 784: The pili in _____ allow for antigenic variation

Answer: Neisseria gonorrhoeae (which bacteria)

Flashcard 785: The incubation period for Rickettsia rickettsii is somewhere between _____ days

Answer: 2-14

Flashcard 786: _____ mRNA can be polycistronic, meaning one mRNA codes for several proteins

Answer: bacterial

Flashcard 787: The flaccid paralysis in Clostridium botulinum is a _____ paralysis (ascending or descending)

Answer: descending

Flashcard 788: What type of vaccine is the Hib vaccine? _____

Answer: Conjugate vaccine

Extra: The Hib vaccine consists of the capsular polysaccharide (polyribosylribitol phosphate, PRP) conjugated to a protein carrier (e.g., tetanus toxoid). Conjugation is necessary to provoke a T-cell dependent immune response, which is crucial for efficacy in infants under 2 years of age.

Flashcard 789: Which form of E. coli presents with watery diarrhea?_____

Answer: Enterotoxigenic E. coli (ETEC)

Flashcard 790: _____ is the transfer of random DNA between bacteria using bacteriophages

Answer: Generalized transduction