BacT.Exam 2 Practice Questions Lecture 8- Pathogenesis of Infection Diseases

Which of the following virulence factors enable(s) bacteria to attach to tissues?

A. Capsules

B. Endotoxin

C. Flagella

D. Pili

Neurotoxins are produced by:

A) Clostridium botulinum and Clostridium tetani.

B) Clostridium difficile and Clostridium perfringens.

C) Pseudomonas aeruginosa and Mycobacterium tuberculosis.

D) Staphylococcus aureus and Streptococcus pyogenes.

Which of the following pathogens produce enterotoxins?

A) Bacillus cereus and certain serotypes of Escherichia coli

B) Clostridium difficile and Clostridium perfringens

C) Salmonella spp. and Shigella spp.

D) All of the above

A bloodstream infection with ____________________ could result in the release of endotoxin into the bloodstream.

A) Clostridium difficile or Clostridium perfringens

B) Neisseria gonorrhoeae or Escherichia coli

C) Staphylococcus aureus or Mycobacterium tuberculosis

D) Staphylococcus aureus or Streptococcus pyogenes

Communicable diseases are most easily transmitted during the:

A) incubation period.

B) period of convalescence.

C) period of illness.

D) prodromal period.

Enterotoxins affect cells in the:

A. respiratory tract.

B. genitourinary tract.

C. gastrointestinal tract.

D. central nervous system.

Which of the following bacteria is least likely to be the cause of septic shock?

A) Escherichia coli

B) Haemophilus influenzae

C) Mycoplasma pneumoniae

D) Neisseria meningitidis

Which of the following produces both a cytotoxin and an enterotoxin?

A. Clostridium botulinum

B. Clostridium difficile

C. Clostridium tetani

D. Corynebacterium diphtheriae

Which of the following virulence factors enable(s) bacteria to avoid phagocytosis by white blood cells?

A) Capsule

B) Cell membrane

C) Cell wall

D) Pili

Which of the following can cause toxic shock syndrome?

A) Clostridium difficile and Clostridium perfringens

B) Mycoplasma pneumoniae and Mycobacterium tuberculosis

C) Neisseria gonorrhoeae and Escherichia coli

D) Staphylococcus aureus and Streptococcus pyogenes