BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Question
Chapter 27, Problem 5A
Summary Introduction
Introduction: Any bacterium that can cause disease is known as bacterial pathogen. Many of the human diseases are caused due to bacterial infections. This includes tuberculosis, staphylococcal and streptococcal infections, and sexually transmitted diseases.
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Students have asked these similar questions
The is the time that lapses between encounter with a pathogenand the first symptoms.a. prodrome
b. period of invasion
c. period of convalescence
d. period of incubation
Which of the following is a mis-match?
a. Urogenital - often associated with sexually transmitted pathogens
b. Respiratory - spread by sneezing
C.
Parenteral - pathogen is passed from mother to child through the placenta
O d. Gastrointestinal - often involves fecal-to-oral transmission
e. Conjunctiva - involving eyes
Which of the following describes "incubation period"?
a.
It is the time interval between entry of an infectious agent into the body and the appearence of the first symptoms and/or signs of the disease
b.
It is the time after recovery when a person can still harbor the infection
c.
It is the time interval through which an infected person is able to transmit the infectious agent to others
d.
It is the time interval between the onset of primary and secondary cases
Chapter 27 Solutions
BIOLOGY
Ch. 27.1 - Prob. 1LOCh. 27.1 - Prob. 2LOCh. 27.1 - Describe classification systems for prokaryotes.Ch. 27.2 - Prob. 1LOCh. 27.2 - Prob. 2LOCh. 27.2 - Prob. 3LOCh. 27.3 - Prob. 1LOCh. 27.3 - Prob. 2LOCh. 27.3 - Prob. 3LOCh. 27.4 - Describe the metabolic strategies employed by...
Ch. 27.4 - Compare and contrast the ways prokaryotes can...Ch. 27.5 - Describe the role of prokaryotes in biogeochemical...Ch. 27.5 - Prob. 2LOCh. 27.5 - Prob. 3LOCh. 27.6 - Prob. 1LOCh. 27.6 - Prob. 2LOCh. 27.6 - Prob. 3LOCh. 27 - Data analysis If the excision of an F plasmid Is...Ch. 27 - Prob. 1IQCh. 27 - Prob. 1UCh. 27 - A bacteria that obtains carbon from the atmosphere...Ch. 27 - Prob. 3UCh. 27 - Bacteria and archaebacteria may be distinguished...Ch. 27 - Prob. 5UCh. 27 - Prob. 6UCh. 27 - Prob. 7UCh. 27 - Prob. 1ACh. 27 - Prob. 2ACh. 27 - Prob. 3ACh. 27 - Prob. 4ACh. 27 - Prob. 5ACh. 27 - Some bacteria are capable of forming NH4+ from...Ch. 27 - Prob. 7ACh. 27 - Prob. 1SCh. 27 - Prob. 2SCh. 27 - Use of multiple antibiotics is not a bad idea if...Ch. 27 - Soil-based nitrogen-fixing bacteria appear to be...
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Similar questions
- Jim has been diagnosed with meningococcal disease. His family has been started on an antibiotic to prevent them contracting the disease. This is an example of a. infection. b. prophylaxis. c. antimicrobial resistance. d. host defense.arrow_forwardAn example of an endogenous microorganism is: A.Fomites b.Skin bacteria present in dermatitis. c.Air d.airbone bacteriaarrow_forwardSelect a factor or factors that favor the invasion and growth ofPseudomonas aeruginosa in the lungs.a. fimbriae b. mucoid glycocalyx c. blockage of host defenses. d. b and c e. a, b, and carrow_forward
- Why 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_forwardWhen Pathogens destroy Normal flora, it can lead to: a. Large inoculum b. Physical destruction of host cells c. Infection d. All of the abovearrow_forwardThe term active transmission refers to: a. A person who catches a disease from a bug bite b. A person who catches a disease from contaminated food c. A person who catches a disease from a contaminated object d. A person who coughs in public and passes the disease to those around themarrow_forward
- Which of these pairs are mismatched? a. cytosol: intracellular pathogen b. surface of epithelium: extracellular pathogen c. nucleus: intracellular pathogen d. lymph: intracellular pathogenarrow_forwardWhich of the following statements is incorrect? a. Mucosal surfaces are better than skin surfaces at supporting colonization by commensal microorganisms. b. The skin provides a larger surface area than mucosal surfaces for commensal microorganisms. c. There are ten times as many bacteria residing in the intestinal tract than the number of cells in the human body. d. It is common for commensal bacteria to live in symbiosis with their human hosts. e. During gestation in mammals, a fetus does not have any commensal microorganisms on their skin or mucosal surfaces.arrow_forwardWhy antibacterial drugs are ineffective against: A. Fungal Infections B. Viral infections C. Helminthic worm infectionsarrow_forward
- Keeping your food covered, especially outdoors, when it is not actually being eaten is a way to prevent contracting an illness through the ____route of infection. a. biological vector b. mechanical vector c. parenteralarrow_forwardPollen is which type of allergen?a. contactant b. ingestant c. injectantd. inhalantarrow_forwardWell-water gets contaminated by farm animals, and the water causes gastroenteritis in those that drink it. What sort of transmission do you think this is? a. direct contact transmission b. vehicle transmission c. indirect contact transmission d. biological vector transmissionarrow_forward
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