Infectious Disease Exam 1
Quiz made for podiatry students for their INDI exam 1.
- 1.Staph saprophyticus does which type of hemolysis?
- A.
Alpha
- B.
Beta
- C.
Gamma
- D.
Variable
- E.
Non-Hemolytic
- 2.How are both Staph saprophyticus and Staph epidermidis different from S. aureus in terms of hemolysis pattern?
- A.
Saprophyticus and epidermidis do beta, while aureus does gamma
- B.
Saprophyticus and epidermidis do gamma, while aureus does beta
- C.
Saprophyticus and aureus do beta, while epidermidis does gamma
- D.
Saprophyticus and aureus do gamma, while epidermidis does beta
- 3.Is Staph saprophyticus coagulase negative or positive?
- A.
Positive
- B.
Negative
- 4.Is Staph saprophyticus DNase positive or negative?
- A.
Positive
- B.
Negative
- 5.How are saprophyticus and epidermidis different from aureus in terms of coagulase and DNase?
- A.
All are the same
- B.
Sapro and epidermidis are both positive
- C.
Aureus is positive
- 6.Is Staph saphrophyticus Mannitol positive or negative?
- A.
Positive
- B.
Negative
- C.
It varies
- 7.Which antiobiotic is used to treat Staph epidermidis?
- A.
Penicillin
- B.
Methicillin
- C.
Vancomycin
- D.
Bactrim
- E.
Erythromycin
- 8.Staph saprophyticus is resistant to which antibiotic?
- A.
Penicillin G
- B.
Methicillin
- C.
Vancomycin
- D.
Novobiocin
- 9.UTIs are systemic infections of which Staph?
- A.
Aureus
- B.
Epidermidis
- C.
Saprophyticus
- D.
Pyogenes
- 10.Which of the following are sensitive to Novobiocin?
- A.
S. aureus, S. epidermidis, S. saprophyticus
- B.
S. aureus, S. epidermidis
- C.
S. aureus, S. saprophyticus
- D.
S. epidermidis, S. saprophyticus
- 11.Is S. saprophyticus urease positive or negative?
- A.
Positive
- B.
Negative
- C.
It varies
- 12.Which Staph may infect the urinary tract of patients due to poor hygiene and sexual activity?
- A.
S. aureus
- B.
S. epidermidis
- C.
S. saprophyticus
- D.
S. pyogenes
- 13.Attachment to epithelial cells via hemagglutinins and other cell surface proteins is a virulence factor of which staph?
- A.
S. aureus
- B.
S. epidermidis
- C.
S. saprophyticus
- D.
S. pyogenes
- 14.The urease produced by ________ may mediate host pathogenesis.
- A.
S. aureus
- B.
S. epidermidis
- C.
S. saprophyticus
- D.
S. pyogenes
- 15.Which staph can cause both pyelonephritis and cystitis?
- A.
Aureus
- B.
Epidermidis
- C.
Saprophyticus
- D.
Pyogenes
- 16.Pyelonephritis is
- A.
Upper UTI
- B.
Lower UTI
- 17.Cystitis is
- A.
Upper UTI
- B.
Lower UTI
- 18.Pyruria (Pus in the urine) is commonly due to which Staph?
- A.
Aureus
- B.
Epidermidis
- C.
Saprophyticus
- D.
Pyogenes
- 19.Which bacteria are the most important bacteria, medically speaking?
- A.
Staphylococcus
- B.
Streptococcus
- C.
Bacillus
- D.
Cornybacterium
- 20.Which bacteria can be highly invasive?
- A.
Staphylococcus
- B.
Streptococcus
- 21.What is the primary habitat of Streptococci?
- A.
Mammalian Nasopharynx
- B.
Mammalian GI Tract
- C.
Mammalian Skin
- 22.Are Strep Gram positive or negative?
- A.
Positive
- B.
Negative
- 23.Streptococci have what cell arrangement?
- A.
Grape-like cluster
- B.
Chain-like
- 24.Streptococci
- A.
Catalase Positive
- B.
Catalase Negative
- 25.Which is sub-grouped based on the Lancefield Groupings (A-H, K-M, O-V) based on the C carbohydrate extracted from the cell wall with hot HCl treatment?
- A.
Staphylococcus
- B.
Streptococcus
- C.
Clostridium
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