Select the INCORRECT statement about quaternary ammonium compounds:
A. Act by denaturing cell membranes to release the intracellular components
B. Bacteriostatic at low concentrations and bactericidal at high
C. Are bactericidal for Pseudomonas strains
D. Mycobacteria are resistant to them
E. Fungus Trichophyton is resistant
Answer: C
Bacteriology
- What test allows identification of a capsule in bacteria?
- What are the two functions of a bacterial capsule?
- What are the two notable examples of bacterial capsules made from a macromolecule other than polysaccharides?
- Bacterial capsules are typically made from what macromolecule?
- What are the three major components of the bacterial envelope?
- Which of the following is NOT classified as STI?
- C. trachomatis is the most common cause of ____________ in young men.
- "Rice water" stool is a classic symptom of which of the following infections?
- IV drug users are more susceptible to get endocarditis resulting from which of the following organisms?
- S. aureus vegetations on previously normal tricuspid valve can lead to:
- Anaerobic bacteria in the intestines are major source of which vitamin?
- _____ causes the release of shiga?
- Viral cause(s) of diarrhea result(s) from the infection of which of the following viruses?
- Headache, fever and nuchal rigidity are symptoms of:
- Which of the following population is/are particularly susceptible to conjunctivitis?
- Swimmers and diabetics are at increased risk for which of the following infection?
- E. coli is the most common cause of meningitis in which of the following age group?
- Which of the following ways is toxoplasmosis contracted?
- Which of the following is/are NOT congenital rubella syndrome?
- _______is a fungal infection that can be associated with antibiotic use or immune deficiency.
- Clinical manifestations of pyelonephritis include:
- Sepsis can be defined as:
- HACEK organisms are part of:
- Development of new heart murmur can suggest the diagnosis of:
- Hospital acquired pneumonia is most likely caused by: