Microbiology: With Dis.... - Access (Custom)
4th Edition
ISBN: 9781269937887
Author: BAUMAN
Publisher: PEARSON
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Chapter 10, Problem 9MC
Summary Introduction
Introduction:
Viral infections are treated by antiviral drugs rather than the antimicrobial drugs. Maximum antivirals are applied for particular infections of viruses. A wide variety of viruses are treated with the broad-spectrum antiviral agent.
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During viral infection, attachment is usually specific to a particular celltype becausea. the virus is attracted to the appropriate host cells by proteinssecreted into the extracellular fluid.b. the virus recognizes and binds to specific molecules in thecytoplasm of the host cell.c. the virus recognizes and binds to specific molecules on the surfaceof the host cell.d. the host cell produces channel proteins that provide passageways forviruses to enter the cytoplasm.e. the virus releases specific proteins that make holes in the membranelarge enough for the virus to enter.
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B The virus only enters its target host cell type.
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Chapter 10 Solutions
Microbiology: With Dis.... - Access (Custom)
Ch. 10 - Prob. 1TMWCh. 10 - Some antimicrobial drugs are harmful to humans....Ch. 10 - Antibiotic Overkill A young woman was taking...Ch. 10 - Prob. 3TMWCh. 10 - Why is it incorrect to say that an individual...Ch. 10 - Prob. 1EDCSCh. 10 - Prob. 2CCSCh. 10 - Prob. 1MCCh. 10 - In a Kirby-Bauer susceptibility test, the presence...Ch. 10 - Prob. 3MC
Ch. 10 - Prob. 4MCCh. 10 - Cross resistance is _____. a. the deactivation of...Ch. 10 - Prob. 6MCCh. 10 - Prob. 7MCCh. 10 - Prob. 8MCCh. 10 - Prob. 9MCCh. 10 - Prob. 10MCCh. 10 - Label each figure below to indicate the class of...Ch. 10 - What specific test for antimicrobial efficacy is...Ch. 10 - What characteristics would an ideal...Ch. 10 - Prob. 2SACh. 10 - Why is the fact that drug Z destroys the NAM...Ch. 10 - Given that both human cells and pathogens...Ch. 10 - Prob. 5SACh. 10 - Prob. 6SACh. 10 - Prob. 7SACh. 10 - Prob. 8SACh. 10 - Compare and contrast the actions of polyenes,...Ch. 10 - Prob. 10SACh. 10 - Prob. 1CTCh. 10 - How does Penicillium escape the effects of the...Ch. 10 - How might a colony of Bacillus licheniformis...Ch. 10 - Fewer than 1 % of known antibiotics have any...Ch. 10 - In an issue of News of the Lepidopterists Society,...Ch. 10 - Even though aminoglycosides such as gentamicin can...Ch. 10 - Prob. 7CTCh. 10 - Prob. 8CTCh. 10 - Why might amphotericin B affect the kidneys more...Ch. 10 - Antiparasitic drugs in the benzimidazole family...Ch. 10 - Prob. 11CTCh. 10 - Scientists have cultured bacteria isolated from...Ch. 10 - Prob. 13CTCh. 10 - Prob. 14CTCh. 10 - Enterococcus faecium is frequently resistant to...Ch. 10 - Prob. 1CM
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- a. If you were involved in developing an antiviral drug, what wouldbe some important considerations? (Can a drug “kill” a virus?)b. How could multiplication be blocked?arrow_forwardVirus spikes are commonly associated with which of the following? a. Non enveloped viruses b. Glycoproteins c. Lipids from the host cell membrane d. Inability to cause hemaglutinationarrow_forwardExplain that a virus can’t be treated with an antibiotic and why. Think about selective toxicity and why those targets don’t exist for a viral infection.arrow_forward
- a "persistent infection" is best described as: A) chronic infection in which viral genes are not expressed and viral proteins are NOT made B) an infection in which the viral nucleic acid does NOT persist/stay in the host cell C) A general term that describes all chronic/long-term infections D) chronic infection in which viral proteins are constantly made E) chronic infections that usually do NOT have a fatal outcomearrow_forwardWhy are encapsolated bacteria generally more pathogenic than un-capsolated strains. a. Because capsule allows the organism to hide in the body of the host. b. because the capsule causes the phagocyte to mutate c. because the capsule protects bacteria from host immune cells d. because the capsule kills the phagocytes e. because the capsule stimulates a potent immune response in the host.arrow_forwardWhich of the following is NOT used to treat active viral disease? a. Vaccines b. Antiviral drugs c. Antibiotics d. Phage therapyarrow_forward
- The viral ________ plays a role in attaching a virion to the host cell. a. core b. capsid C. envelope d. both b and carrow_forwardChoose the combination of answers that most accurately completes the statement.Which of the following effects do antiviral drugs not have? a. killing extracellular viruses c. inhibiting virus maturation b. stopping virus synthesis d. blocking virus receptorsarrow_forwardWhich of the following effects do antiviral drugs not have?a. destroying extracellular virusesb. stopping virus synthesisc. inhibiting virus maturationd. blocking virus receptorsarrow_forward
- Which of the following are activities that a virus particle (a virion) cannot accomplish by itself? Select all that apply. a) Extract energy from food molecules b) Synthesis of capsid proteins c) Generate ATP d) Binding to a host cell e) Replication of the viral genomearrow_forwardWhich of the following does NOT inititiate DNA synthesis? a. a single-stranded DNA virus. b. a (-) single stranded RNA virus c. a (+) single stranded RNA virus d. a double-stranded DNA virus (Poxviridae) e. Both (-) and (+) single-stranded RNA virusesarrow_forwarda. Since viruses lack metabolic enzymes, how can they synthesize necessary components? b. Name some enzymes that viruses may have for invading and completing their cycles.arrow_forward
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