Human Biology (MindTap Course List)
11th Edition
ISBN: 9781305112100
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Textbook Question
Chapter 9, Problem 1CT
New research suggests a link between some microbes that normally live in the body and seemingly unrelated major illnesses. The gum disease called periodontitis itself is not life-threatening, for instance, but it is a fairly good predictor for heart attacks. Bacteria that cause gum disease can trigger inflammation. Thinking back to your reading in Chapter 7, how do you suppose that this response also may be harmful to the heart?
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Chapter 9 Solutions
Human Biology (MindTap Course List)
Ch. 9 - Prob. 1RQCh. 9 - Distinguish between a. neutrophil and macrophage...Ch. 9 - What is the difference between innate immunity and...Ch. 9 - What is the difference between an allergy and an...Ch. 9 - ______ are barriers to pathogens at body surfaces....Ch. 9 - Complement proteins function in defense by...Ch. 9 - Prob. 3SQCh. 9 - Prob. 4SQCh. 9 - Antibody-mediated responses work best against...Ch. 9 - Cell-mediated responses work best against...
Ch. 9 - The most common antigens are __________. a....Ch. 9 - The ability to develop a secondary immune response...Ch. 9 - Tears are part of the bodys defensive arsenal....Ch. 9 - Match the immunity concepts: __________...Ch. 9 - New research suggests a link between some microbes...Ch. 9 - Given what you now know about how foreign invaders...Ch. 9 - Researchers have been trying to develop a way to...Ch. 9 - Prob. 4CTCh. 9 - Prob. 5CT
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- The immune system protects our body from invasion by nonself cells. Explain what could happen if you broke your tibia, exposing bone marrow cells that the immune system does not recognize as self cells?arrow_forwardHay fever, also called allergic rhinitis, is a common ailment in the spring. People who experience hay fever have sensitive immune systems that respond to pollen in the air. When pollen, the allergen, enters the airways, the inflammatory response is triggered, even though pollen is not a dangerous molecule. Symptoms include inflammation of the airways, nasal congestion, and watery eyes. While there is currently no cure for hay fever, people suffering from it often take antihistamines, medications that inhibit the action of histamine. How would this help the condition?arrow_forwardA man infected with the bacterium, Escherichia coli, was treated with the correct antibiotic. E.coli was no longer found in the man’s blood, but his symptoms of fever and inflammation worsened. Why? What caused the man’s response to the treatment?arrow_forward
- Which of the following is not a characteristic of inflammation? a. inactivation of macrophages b. increased vascular permeability and edema c. vasodilation d. pain e. influx of leukocytes.arrow_forward____________interferon, produced by T lymphocytes, activates cellscalled _____________ and is involved in destroying viruses.a. Gamma, fibroblasts b. Beta, lymphocytes c. Alpha, natural killer cells d. Beta, fibroblastsarrow_forwardYour patient who is recovering from a first time wound infection caused by Staphylococcus aureus. Which of the following caused your patient’s muscle aches, chills, fever and loss of appetite? a. histamine b. Tumor Necrosis factor α c. leukotrienes d. interleukin-12 e. interferon-10arrow_forward
- There are estimates that the microorganisms present in the human body outnumber the cells of the body. Which of the following is incorrect about microbes (normal flora )? a. • Compete with other microbes for space by colonizing the surface of the human body • b. Toxins produce to inhibit the growth of other pathogens - c .compete with other microorganisms for nutrition. d. Neutrophils activate to act against other pathogensarrow_forwardIf other animals have their immune system like man, what about the insects? In the context of circulation or the circulatory system, how do insects defend themselves from infection?arrow_forward4) A patient has their spleen removed due to an accident. How will this affect the immune response? 5) You come in contact with staphylococci through a cut. What cellular features will the immune cells recognize? 6) Name two opsonins and how do these molecules help the immune response? 7) Fever is part of the inflammatory process. What is the role of fever during an immune response? 8) This chemical is used to induce anti-viral responses in cells to protect the cells from viral infections. 9) This complement activation pathway is activated when complement binds to an antibody bound to antigens.arrow_forward
- Why do you suppose you become thirsty after eating salty foods? Can you explain the circumstances when inflammation is beneficial and when it is detrimental?arrow_forwardThis week you learned about the role that macrophages, neutrophils, and cytokines play in the innate immune response and looked at how they contribute to the development of inflammation and the inflammatory and the acute phase response. In certain bacterial illnesses, particularly lung infections with Pseudomonas aeruginosa, a physician may not treat the patient with antibiotics (which will kill the microorganisms), but rather give the patient anti-inflammatory medications. Why might a physician choose to inhibit inflammation in the case of an infection? What types of damage might the inflammatory response do to the surrounding tissues, not just the bacteria it was designed to combat?arrow_forwardsuppose than individual's arm is cut, and because of this injury, bacteria are able to gain entry to the body and cause disease. What type of defense has been breached (overcome)?arrow_forward
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