Micro - Pathogenic Bacteria III Pt 2
Quiz on pathogenic bacteria III covers H. Pylori and Pseudomonas aeruginosa
- 1.Culture taken from several regions of a Pt's body were positive for H. Pylori colonization, of all of the following regions which place should H. Pylori normally be expected to be found?
- A.
Vascular endothelium
- B.
Gastric mucosa
- C.
Respiratory tract
- D.
Nasal mucosa
- 2.Which of the following patients would be expected to have H. Pylori infections? Patients suffering from
- A.
Gastric and duodenal ulcers
- B.
Bloody diarrhea
- C.
Gastric adenocarcinoma
- D.
A & C
- E.
All of the above
- 3.Which best describes H. Pylori infection
- A.
Cannot be spread from person to person
- B.
Colonization takes place over years
- C.
Prevents belching and abdominal pain
- D.
Infection rates increase with age
- 4.After years of suffering from H. pylori induced gastritis a patient may suffer from
- A.
Elevated ascorbic acid levels
- B.
Adenocarcinoma and lymphoma
- C.
Overgrowth of gastric muscosa
- D.
All of the above
- 5.After making a differential diagnosis you tell your patient that you want to test her for the presence of H. Pylori infection, however she requests a non-invasive test. Which of the following would be recommended?
- A.
Stool antigen (toxin) test
- B.
Urease test
- C.
Culture
- D.
Histological giemsa stain
- 6.After a positive lab test for H. Pylori which of the following actions might be recommend for your patient?
- A.
Use H2 blockers and proton pump inhibitors
- B.
Use antibiotic combo
- C.
Return for testing in 4 weeks
- D.
All of the above
- 7.The first line of treatment for H. Pylori infection is metronidazole
- A.
True
- B.
False
- 8.Pseudomonas aeruginosa and H. Pylori both share which of the following similarity(ies)?
- A.
Minimal nutritional requirements
- B.
Normal inhabitants in soil and water
- C.
Oxidase production
- D.
Polar flagella
- 9.Pts suffering from which of the following conditions may test positive for Pseudomonas aeruginosa?
- A.
Mucosa associated lymphoid tissue lymphoma (MALT)
- B.
Cystic Fibrosis
- C.
Atrophic Gastritis
- D.
Bloody Diarrhea
- 10.Pseudomonas aeruginosa is clinically important because of its ability to
- A.
Cause opportunistic infections in hospitals
- B.
Infect from small inoculum size
- C.
Infect patients with competent immune systems
- D.
All of the above
- 11.Which of the following best describes the adherence of P. aeruginosa to epithelial cells?
- A.
Flagella and pilli have a negligible role in the process
- B.
Produces exotoxins that facilitate adherence
- C.
Type III secretion system is rarely used
- D.
All of the above
- 12.Which of the following bacteria use biofilms for protection and antibiotic resistance?
- A.
H. Pylori
- B.
S. dysenteria
- C.
S. Typhyi
- D.
P. Aeruginosa
- 13.P. aeruginosa are susceptible to phagocytosis so they are usually found intracellularly
- A.
True
- B.
False
- 14.Which of the following is true about P. aeruginosa's nutritonal needs?
- A.
Are usually fastidious with many nutritional requirements
- B.
Get iron and phosphate by using siderophores and hydrolysis
- C.
Mainly produce toxins that retrieve nutrients without host damage
- D.
B & C
- E.
All of the above
- 15.Cystic fibrosis can be characterized by which of the following?
- A.
Defective ion transport
- B.
Watery respiratory secretions
- C.
No antibody production
- D.
All of the above
- 16.Which of the following is true about P. Aeruginosa?
- A.
Can be treated with one drug
- B.
Has negative oxidase test
- C.
Cultures are green or colorless
- D.
All of the above
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