Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Bacteriology > Gram Negative Bacilli > Flashcards

Gram Negative Bacilli Flashcards

1
Q

What color do Gram negative bacilli stain during Gram staining?

A

Pink/red

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the primary cell wall component of Gram negative bacilli?

A

Lipopolysaccharide (LPS)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Do Gram negative bacilli have an outer membrane?

A

Yes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Which class of antibiotics is effective against Gram negative bacilli due to their ability to penetrate the outer membrane?

A

Aminoglycosides

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

True or False: Gram negative bacilli are often resistant to multiple antibiotics.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Which family of Gram negative bacilli includes Escherichia coli and Klebsiella pneumoniae?

A

Enterobacteriaceae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the shape of most Gram negative bacilli?

A

Rod-shaped (bacilli)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the primary mode of transmission for Gram negative bacilli infections?

A

Fecal-oral route

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Which Gram negative bacillus causes whooping cough?

A

Bordetella pertussis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the most common cause of urinary tract infections (UTIs) in women?

A

Escherichia coli

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the primary virulence factor of Helicobacter pylori, a Gram negative bacillus associated with peptic ulcers?

A

Urease

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Which Gram negative bacillus causes typhoid fever?

A

Salmonella enterica

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Which Gram negative bacillus is a common cause of nosocomial infections and is resistant to many antibiotics?

A

Pseudomonas aeruginosa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Which Gram negative bacillus causes bubonic plague?

A

Yersinia pestis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

True or False: Gram negative bacilli have a thin peptidoglycan layer in their cell wall.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the shape of Neisseria gonorrhoeae, a Gram negative diplococcus?

A

Kidney bean-shaped

17
Q

Which Gram negative bacillus causes Legionnaires’ disease?

A

Legionella pneumophila

18
Q

What is the primary mode of treatment for infections caused by Gram negative bacilli?

A

Antibiotics

19
Q

Which Gram negative bacillus is a common cause of food poisoning?

A

Salmonella enteritidis

20
Q

True or False: Gram negative bacilli are typically more resistant to antibiotics than Gram positive bacteria.

A

True

21
Q

Which Gram negative bacillus is responsible for causing Lyme disease?

A

Borrelia burgdorferi

22
Q

What is the primary diagnostic test for identifying Gram negative bacilli?

A

Gram staining

23
Q

Which Gram negative bacillus is a common cause of pneumonia in patients with cystic fibrosis?

A

Pseudomonas aeruginosa

24
Q

True or False: Gram negative bacilli have a high lipid content in their cell wall.

A

True

25
Q

Which Gram negative bacillus is responsible for causing cholera?

A

Vibrio cholerae

26
Q

What is the primary mechanism of action of carbapenem antibiotics against Gram negative bacilli?

A

Inhibition of cell wall synthesis

27
Q

Which Gram negative bacillus is commonly found in the normal flora of the human gastrointestinal tract?

A

Escherichia coli

28
Q

True or False: Gram negative bacilli are often associated with hospital-acquired infections.

A

True

29
Q

Which Gram negative bacillus is a common cause of urinary tract infections (UTIs) in sexually active women?

A

Escherichia coli

30
Q

What is the shape of Vibrio cholerae, the causative agent of cholera?

A

Comma-shaped

31
Q

Which Gram negative bacillus is often found in water sources and can cause a severe form of pneumonia?

A

Legionella pneumophila

32
Q

What is the primary target of quinolone antibiotics in Gram negative bacilli?

A

DNA gyrase

33
Q

Which Gram negative bacillus is a common cause of meningitis in newborns?

A

Escherichia coli

34
Q

True or False: Gram negative bacilli are often associated with antibiotic resistance due to the presence of efflux pumps.

A

True

35
Q

Which Gram negative bacillus is associated with peptic ulcers and gastric cancer?

A

Helicobacter pylori

Bacteriology (2 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions