Infectious Disease Exam 1

144 Questions | By Nycpm2013 | Last updated: Mar 21, 2022 | Total Attempts: 306

Questions

Settings

Create your own Quiz

Quiz made for podiatry students for their INDI exam 1.

Questions and Answers

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