Bacterial Pathogens

Question 1

Group A Streptococcus pyogenes

Answer 1

• Gram positive
• Skin infections, pharyngitis (strept throat), scarlet fever
• Beta hemolytic

Question 2

Group B Streptococcus agalactiae

Answer 2

• Gram positive
• Neonatal meningitis
• Beta hemolytic

Question 3

Viridians streptococcus

Answer 3

• Gram positive
• Endocarditis
• Alpha hemolytic

Question 4

Streptococcus pneumoniae

Answer 4

• Gram positive
• Encapsulated bug
• Pneumonia, sinusitis, otitis, meningits,
• Alpha hemolytic

Question 5

Enterococcus faceium

Answer 5

• Gram positive
• UTIs, endocarditis, AMR
• More antibiotic resistant

Question 6

Enterococcus faecalis

Answer 6

• Gram positive
• UTIs, endocarditis
• Less antibiotic resistant

Question 7

Staphylococcus aureus

Answer 7

• Gram positive
• Skin infection, pneumonia, endocarditis, blood sepsis
• Can grow biofilms
• Especially MRSA

Question 8

Bugs that are gram positive

Answer 8

• Streptococcus
• Enterococcus
• Staphylococcus

Question 9

Bugs that are gram negative

Answer 9

-Basically anything that was not stated as gram positive

Question 10

Staphylococcus epidermidis

Answer 10

• Gram positive
• Skin infection, pneumonia, endocarditis
• Can grow biofilms

Question 11

Treponema pallidum

Answer 11

• Syphilis
• Silver gram stain
• Spirochete shape

Question 12

Clostridium difficile

Answer 12

• Antibiotic associated diarrhea

- Anaerobic

Question 13

Clostridium perfringens

Answer 13

• Food poisoning
• Gas gangrene
• Anaerobic

Question 14

Haemophilus infuezae

Answer 14

• Gram negative
• Otitis, CAP, meningitis, sepsis
• Can be encapsulated (causes meningitis)

Question 15

Neisseria meningitidis

Answer 15

• Gram negative
• Meningitis
• Encapsulated

Question 16

Neisseria gonorrhoeae

Answer 16

• Gram negative

- Gonorrhea

Question 17

Pseudomonas spp

Answer 17

• Gram negative
• Nonsocomial pneumonias
• Affects cystic fibrosis and COPD pts
• Often forms a biofilm
• High antibiotic resistance

Question 18

Escherichia coli

Answer 18

• Gram negative
• Food poisoning
• UTIs

Question 19

Proteus spp

Answer 19

• Gram negative

- UTIs, otitis media, wound infection

Question 20

Enterobacter spp

Answer 20

• Gram negative

- UTIs, wound infections

Question 21

Klebsiella spp

Answer 21

• Gram negative

- Nosocomial infections, pneumonia, sepsis

Question 22

Bordetella pertussis

Answer 22

• Gram negative
• Whooping cough
• Part of TDaP shot

Question 23

Borrelia burgdorferi

Answer 23

• Gram negative

- Causes lyme disease

Question 24

Bacteroides fragilis

Answer 24

• Gram negative, anaerob

- Intra abdominal and peritoneal infections

Question 25

Acinetobacter spp

Answer 25

- Gram negative - Pneumonia, wound infections - Can be encapsulated

Question 26

Atypiclas

Answer 26

-No peptidoglycan cell wall

Question 27

Legionella pneumonhila

Answer 27

- Atypical - CAP - Grows inside human macrophages

Question 28

Mycoplasma pneumoniae

Answer 28

- Atypical - CAP - Fuses with host cell - Steals their sterols to make cell membrane

Question 29

Chlamydophila trachomatis

Answer 29

- Atypical - STDs - Can cause blindness in babies if found in birth canal

Question 30

Chlomydophila pneumonia

Answer 30

- Atypical | - Upper respiratory tract infection, CAP