11. Controlling Microbial Growth
Chemicals Used to Control Microbial Growth
11. Controlling Microbial Growth
Chemicals Used to Control Microbial Growth - Video Tutorials & Practice Problems
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Chemicals Used to Control Microbial Growth
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ProblemWhich of the following chemical agents is a gas?
A
Quats.
B
Alcohols.
C
Ozone.
D
Chlorine.
3
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Factors Affecting Chemical Agents
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PRACTICE PROBLEMS AND ACTIVITIES (49)
- You and your classmates are trying to determine how a disinfectant might kill cells. You observe that when you...
- DRAW IT Show where the following antibiotics work: ciprofloxacin, tetracycline, streptomycin, vancomycin, poly...
- Why does a cell die from the following antimicrobial actions?a. Colistimethate binds to phospholipids.b. Kanam...
- How does each of the following inhibit translation?a. chloramphenicolb. erythromycinc. tetracyclined. streptom...
- NAME IT This microorganism is not susceptible to antibiotics or neuromuscular blocks, but is susceptible to pr...
- Which of the following pairs is mismatched?a. antihelminthic—inhibition of oxidative phosphorylationb. antihel...
- Match the antimicrobial drug class to its action. You may assign more than one drug class to a given action an...
- A patient has an uncomplicated infection with a Gram-negative bacterium. He also has a history of penicillin a...
- Which drug family would be the most effective to treat a patient diagnosed with a MRSA infection? (NCLEX/HESI/...
- Choose the false statement(s). Select all that apply. (NCLEX/HESI/TEAS)a. Antifungal drugs may target choleste...
- What advantages might a semisynthetic antimicrobial drug have over an antibiotic?
- Match the antimicrobial drug to its feature. Some features may be used more than once, and some may not be use...
- Choose the true statement(s) about therapeutic index (TI). Select all that apply. (NCLEX/HESI/TEAS)a. A drug w...
- Which of the following antimicrobial properties would be the most crucial to consider in developing a new anti...
- A broad-spectrum drug is best described asa. bactericidal against a wide range of species.b. bacteriostatic ag...
- A patient who is not a healthcare worker is diagnosed with C. difficile pseudomembranous colitis. What most li...
- Assume a bacterium makes beta-lactamase. Could you still use a glycopeptide drug to treat an infection caused ...
- If a gene encoding a bacterial transpeptidase enzyme undergoes mutation, which of the following antimicrobials...
- Which of the following disinfectants acts against cell membranes?a. phenolb. peracetic acidc. silver nitrated....
- Which antimicrobial chemical has been used to sterilize spacecraft?a. phenolb. alcoholc. heavy metald. eth...
- Which class of surfactant is most soluble in water?a. quaternary ammonium compoundsb. alcoholsc. soapsd. p...
- Which of the following substances or processes kills microorganisms on laboratory surfaces?a. antisepticsb. di...
- The microbial death rate is used to measure the effectiveness of            .a. a detergentb. an antisepticc. ...
- Which of the following statements is true concerning the selection of an antimicrobial agent?a. An ideal antim...
- Describe three types of microbes that are extremely resistant to antimicrobial treatment, and explain why they...
- Compare and contrast four tests that have been developed to measure the effectiveness of disinfectants.
- Why is it necessary to use strong disinfectants in areas exposed to tuberculosis patients?
- Cross resistance is __________ .a. the deactivation of an antimicrobial agent by a bacterial enzymeb. alterati...
- Multiple-drug-resistant microbes _____________________Â Â .a. are resistant to all antimicrobial agentsb. respon...
- Which of the following is most closely associated with a beta-lactam ring?a. penicillinb. vancomycinc. bacitra...
- Drugs that act against protein synthesis include ___________Â .a. beta-lactamsb. trimethoprimc. polymyxind. ami...
- Why are alcohols more effective in a 70% solution than in a 100% solution?
- Contrast the structures and actions of soaps and quats.
- Diffusion and dilution tests that expose pathogens to antimicrobials are designed to determine __________Â .a. ...
- In a Kirby-Bauer susceptibility test, the presence of a zone of inhibition around disks containing antimicrobi...
- The key to successful chemotherapy is __________Â .a. selective toxicityb. a diffusion testc. the minimum inhib...
- Which of the following statements is relevant in explaining why sulfonamides are effective?a. Sulfonamides att...
- Support or refute the following statement: Antimicrobial agents make cells become resistant.
- A man has been given a broad-spectrum antibiotic for his stomach ulcer. What unintended consequences could ari...
- Compare and contrast the actions of polyenes, azoles, allylamines, and polymyxin.
- What is the difference in drug action of synergists contrasted with that of antagonists?
- PABA is __________ .a. a substrate used in the production of penicillinb. a type of β-lactamasec. molecularly ...
- Which of the following statements is false concerning antiviral drugs?a. Macrolide drugs block attachment site...
- What specific test for antimicrobial efficacy is shown? What does this test measure? Draw an oval to predict t...
- What characteristics would an ideal chemotherapeutic agent have? Which drug has these qualities?
- Contrast narrow-spectrum and broad-spectrum drugs. Which are more effective?
- Why is the fact that drug Z destroys the NAM portions of a cell’s wall structure an important factor in consid...
- Given that both human cells and pathogens synthesize proteins at ribosomal sites, how can antimicrobial agents...
- Label each of the accompanying figures to indicate the class of drug that is stopping polypeptide translation....