Concept explainers
Viral and bacterial respiratory pathogens are spread by means of air. Majorly, respiratory pathogenic organisms are transmitted from one person to the other through respiratory aerosols. An infectious aerosol is generated by sneezing, coughing, breathing, coughing, and by fomite contact or direct contact. The airborne pathogens affect both the upper and lower respiratory tracts.
Explanation of Solution
Gram-positive bacteria cause respiratory diseases more frequently compared to the Gram-negative bacteria. This is because, Gram-positive bacteria are highly resistant to desiccation, as they possess thick, rigid cell walls, which is absent in the Gram-negative bacteria. This characteristic ensures Gram-positive bacteria a better rate of endurance, when dispersed in the airborne droplets. As a result, Gram-positive bacteria cause more frequent respiratory infections than the Gram-negative bacteria.
Want to see more full solutions like this?
Chapter 29 Solutions
Brock Biology of Microorganisms (14th Edition)
- Which of the following bacterial species is considered normal flora of the mouth? O 1) Streptococcus mutans 2) Escherichia coli 3) Klebsiella pneumoniae 4) Staphylococcus epidermidisarrow_forwardWhat are the 3 types of bacterium that are oxygen dependent:arrow_forwardCan different microbes cause pneumonia? If the pneumonia is caused by a virus, could you use Koch's postulates?arrow_forward
- Why does an facaltive anaerobic bacterium usually grow better with oxygen than without?arrow_forwardWhat might an infection by Gram-negative bacteriabe more difficult to treat than a Gram-positive bacterial infection?arrow_forwardWhat do Gram positive bacteria generally possess and how will these help them in their virulence?arrow_forward
- Why does the medical microbiological community propose that physicians be more cautious in their prescription of antibiotics for each little sneeze and sniffle?arrow_forwardExplain how the body (including cells, organs, organ systems) is affected by the bacterium called Neisseria meningitidis? Are there any long-term effects caused by the bacterium, even after recovery?arrow_forwardWhat is botulism?arrow_forward
- Which environment would a capnophilic bacterium like the best?arrow_forwardWhich of the following types of antimicrobial drugs make microbes more susceptible to osmotic pressure? 1) drugs that inhibit nucleic acid synthesis O 2) drugs that inhibit metabolic pathways 3) drugs that inhibit cell wall synthesis 4) drugs that block a pathogen's recognition of its host 5) drugs that inhibit protein synthesisarrow_forwardA five-year old boy, suffering from running nose, headache and fever, got severe pain in his right ear. What is the diagnosis? Name at least two bacteria commonly involved in such infections. If left untreated, what complications might happen?arrow_forward
- Human Anatomy & Physiology (11th Edition)BiologyISBN:9780134580999Author:Elaine N. Marieb, Katja N. HoehnPublisher:PEARSONBiology 2eBiologyISBN:9781947172517Author:Matthew Douglas, Jung Choi, Mary Ann ClarkPublisher:OpenStaxAnatomy & PhysiologyBiologyISBN:9781259398629Author:McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa StouterPublisher:Mcgraw Hill Education,
- Molecular Biology of the Cell (Sixth Edition)BiologyISBN:9780815344322Author:Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter WalterPublisher:W. W. Norton & CompanyLaboratory Manual For Human Anatomy & PhysiologyBiologyISBN:9781260159363Author:Martin, Terry R., Prentice-craver, CynthiaPublisher:McGraw-Hill Publishing Co.Inquiry Into Life (16th Edition)BiologyISBN:9781260231700Author:Sylvia S. Mader, Michael WindelspechtPublisher:McGraw Hill Education