Microbio EXAM 4 Path – Gram Negative Bacteria HW Q’s

A cystic fibrosis patient develops a severe respiratory infection that resists treatment with standard antibiotics. A specimen from the lungs is greenish in color and contains aerobic motile Gram-negative bacilli. The patient is probably infected with

Members of the Enterobacteriaceae can be distinguished from each other by

Which of the following pairs is mismatched?

A) coliform Enterobacteriaceae; rapid lactose fermenters

B) noncoliform opportunistic Enterobacteriaceae; Proteus, Morganella

C) coliform Enterobacteriaceae; opportunistic pathogens

D) nonpathogenic Enterobacteriaceae; Salmonella, Shigella

E) noncoliform Enterobacteriaceae; non-lactose-fermenters

Which of the following statements regarding Neisseria meningitidis is FALSE?

A) There are vaccines available to prevent infection with all strains.

B) Up to 40% of the population are carriers.

C) Humans are the only natural carriers.

D) Transmission is via respiratory droplets.

E) It often causes meningitis.

Several cases of nonbloody diarrhea with nausea, fever, and abdominal pain have occurred among a number of people who ate at the same restaurant. Public health officers find a food sample containing motile noncoliform, Gram-negative bacteria capable of metabolizing glucose. The "food poisoning" resulted from contamination with

An extremely large infectious dose is usually required to cause which of the following?

A) tularemia

B) plague

C) shigellosis

D) salmonellosis

Why are antibiotics generally NOT used to treat diarrheal diseases caused by enteric bacteria?

Which of the following diseases can be prevented by vaccination?

A) typhoid fever

B) salmonellosis

C) cat scratch disease

D) gonorrhea

E) chancroid

What virulence factor(s) do all proteobacteria share?

What is the characteristic lesion of Yersinia pestis?

PID is associated with a species of which of the following genera?

A) Klebsiella

B) Neisseria

C) Brucella

D) Bordetella

Hemolytic uremic syndrome is caused by

Shigellosis can be differentiated from salmonellosis by

A lung specimen from a pneumonia patient contains Gram-negative bacilli. Laboratory test results on the bacteria show they are nonmotile coliforms with a thick capsule. Which pathogen is the likely cause of the pneumonia?

Which of the following is often transmitted by carriers that are asymptomatic?

A) Pasteurella multocida

B) Salmonella enterica type typhi

C) Yersinia pestis

D) Shigella flexneri

Which of the following is diagnostic for Neisseria meningitidis?

A) the presence of Gram-negative diplococci in phagocytes of the central nervous system

B) its inability to ferment maltose

C) the presence of lipid A

D) the lack of lipooligosaccharide

E) the lack of fimbriae

All of the following are members of the family Enterobacteriaceae EXCEPT __________.

A) Serratia

B) Pseudomonas

C) Escherichia coli

D) Proteus

This growth pattern is characteristic of which organism?

The major damage caused by Neisseria meningitidis is a result of

Neisseria gonorrhoeae infection in men is

All of the following terms are associated with Neisseria EXCEPT __________.

A) LOS

B) coliforms

C) oxidase positive

D) diplococci

What is the causative pathogen for bubonic and pneumonic plague?

Serratia is a coliform that

How is pneumonic plague transmitted?

Amplifying hosts for Yersinia pestis __________.