Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 24, Problem 4TY
Summary Introduction
Introduction:
Microbiome is consisted with all the genetic material of entire collection of microbes in a specific environment. Species of archaea, bacteria, protists and
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Which of the following is a difference between transient and resident microbiota?
Transient microbiota are pathogenic, and resident microbiota are not.
Resident microbiota remain on the host for an extended period.
Humans do not have transient microbiota.
Transient microbiota can be opportunistic pathogens, and resident microbiota cannot.
Resident microbiota cause disease and transient microbiota do not.
Which of the following situations does NOT demonstrate the importance of a healthy microbiome?
Group of answer choices
Anthony suffers from debilitating diarrhea after a lengthy course of antibiotics to treat his MRSA infection.
Andy is lactose intolerant. His body does not break down lactose, so the microorganisms in the gut do it for him.
Mary suffers from colon cancer. While being treated, she develops an opportunistic Bacteroides fragilis infection.
Jenna is prone to yeast infections, so she routinely eats yogurt and takes a probiotic supplement to increase the amount of lactic acid bacteria in her vagina.
Which of the following is NOT a true statement?
Infected people without symptoms can sometimes transmit their infection to others
None of the other four answers (All are true statements)
Infectious diseases are still one of the leading causes of death in some parts of the world
For a given microbe, the number of cells or virus particles required to cause an infection (ID50) is always the same, regardless of the portal of entry
Zoonoses can spread from animals to humans
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- The term "colonization" is best described as: a large group of unicellular organisms presence of bacteria on our body that may not necessarily cause harm a virus that will colonize bacteria and make the disease more virulent all of the abovearrow_forwardWhich of the following is an example of a noncommunicable infectious disease? infection with a respiratory virus food poisoning due to a preformed bacterial toxin in food skin infection acquired from a dog bite infection acquired from the stick of a contaminated needlearrow_forwardWhat are the microbes called which colonize our bodies and actually help us to survive by aiding digestion or guarding against infection. vectors normal flora pathogens fomitesarrow_forward
- A microbiologist argued that there is no such thing as “normal” microbiota of the human body, since the population is dynamic and is constantly changing, depending on diet and external environment. What would be an argument against this microbiologist’s view?arrow_forwardPick a specific microbiome (i.e. skin, mouth, gut, reproductive) and discuss interesting points and how it is important to human health/diversity/etc. Here you can discuss any aspect of the microbiome that you like. Whatever is of most interest to you personally for example the uniqueness of an individual’s microbiome or disease states due to disruptions in bacterial communities, etc. Find a recent (2015 or newer) primary research article that investigates some aspect of the microbiome environment that you discussed in question 2 and discuss the findings and how it has increased our understanding of the microbiome.arrow_forwardWhich of the following is NOT a site colonized by normal microbiota in humans? Skin Brain and spinal cord Large intestine (colon) Mouth None of the other four answers (All are sites where normal microbiota are found)arrow_forward
- List 5 ways microorganisms benefit us. Be specific. and don’t copy off google put it into your own words keep it short and simple but be specificarrow_forwardWhich of the following are called “microbes”, but are not made of cells? (Choose all that apply.) Group of answer choices Bacteria Prions Archaea Virusesarrow_forwardDrug resistance occurs: - when antibiotics are used incorrectly - against antibiotics and not against synthetic chemotherapeutic agents. - because bacteria are normal microbiota. - when antibiotics are taken after the symptoms disappear. - All of the answers are correct. explain answerarrow_forward
- Coley’s Toxin is really: a mix of harmless viruses. a mix of pathogenic bacteria. a mix of random organisms taken from sick individuals. a mix of microbes from the soil.arrow_forwardWhich of the following is NOT a true statement about microbial infections and disease? 1. Some infections are caused by normal microbiota acting as opportunistic pathogens 2. For some infections, a portion of infected people may never develop any signs or symptoms of disease 3. The time between the effective exposure and appearance of the very first signs or symptoms is called the incubation period 4. None of the other four answers (All are true statements) 5. All infectious diseases are communicable; i.e., they can be transmitted between hostsarrow_forwardWe commonly use antibiotics to treat infections by which microbes? Choose all that apply. Group of answer choices Viruses Protozoa Fungi Bacteriaarrow_forward
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