Question

1 through 6 please

1. Which of the following is a function of pasteurization? A) killing pathogenic microorganisms; B) reducing the total microbial population; C) increasing the shelf life of the product; D) all of the above 2. Since Joseph Lister first used phenol as a disinfectant 150 years ago, more phenolic compounds have been produced for antimicrobial control. These include A) chlorine; B) lysol; C) formalin: D) hydrogen peroxide; E) betadine 3. The glycoprotein hemagglutinin on the surface of an influenza virion is required for A) viral attachment to the host cell; B) viral assembly: C) viral release; D) viral uncoating 4. During an infection, animal viruses acquire envelopes around their nucleocapsids at which of the following steps? A) replication; B) assembly, C) adsorption; D) release; E) penetration 5. Kirby-Bauer drug susceptibility testing: A) determines whether the isolate is the causative agent of the disease: B) determines the patient's response to various antimicrobics, C) determines the pathogen's response to various antimicrobics; D) determines if the drug is increasing to toxie levels in a patient; E) determines if normal flora will be affected by antimicrobics 6. Which of these drugs have the narrowest spectrum? A) tetracycline; B) isoniazid; C) erythromycin; D) aminoglycosides, E) cephalosporins

Answer 1

1. D all of the above

2. B lysol is the oldest disinfectant after phenol

3 A it is required for viral attachment to the host cell

4. D viruses envelop themselves when they release infection to other areas

5. C it is done to test the susceptibility of various microorganism for a particular drug

6. C macrolides and vancomycin are the narrow spectrum antibiotics. The above options include erythromycin which is a macrolide.