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 1SQ
______ are barriers to pathogens at body surfaces.
- a. Intact skin and mucous membranes
- b. Tears, saliva, and gastric fluid
- c. Resident bacteria
- d. All are correct
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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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- An antibiotic that disrupts the normal flora can causea. the teeth to turn brown b. aplastic anemia c. a superinfection d. hepatotoxicityarrow_forwardCaseous lesions containing inflammatory white blood cells area. lepromas b. pseudomembranes c. eschars d. tuberclesarrow_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
- 2. A person steps on a nail sticking up through a board, the microbes which are carried into that wound, entered through the ____ route of infeciton. a. parenteral b. droplet c. mucous membranarrow_forwardKeeping 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_forwardKeeping 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. parenteral b. mechanical vectorarrow_forward
- Match the infectious agent on the left with the appropriate cancer type on the right. Helicobacter pylori Epstein–Barr virus hepatitis B virus human papilloma virus parasitic flatworms A. liver cancer B. cervical cancer C. stomach cancer D. Burkitt's lymphoma E. bladder cancerarrow_forward1. The use of a face mask to prevent the spread of germs is a recognition of the ___ route of infection: a. inoculation b. aerosol c. biological vector 2. A person steps on a nail sticking up through a board, the microbes which are carried into that wound, entered through the ____ route of infeciton. a. parenteral b. droplet c. mucous membran 3. The largest and most effective of the phagocytes are: a. red blood cells b. lymph nodes c. macrophages 4. When an arthropod bites and injects a pathogen into the new host, this route of infection is called___ a. biological vector b. direct contact c. chemical route of infectionarrow_forwardAn example of a noncommunicable infection isa. measles b. leprosy c. tuberculosis d. tetanusarrow_forward
- A positive tuberculin skin test indicates that a patient not immunized against tuberculosis a. is free of tuberculosis b. is shedding Mycobacterium c. has been exposed to tuberculosis antigens d. is susceptible to tuberculosis e. is resistant to tuberculosisarrow_forwardWhich of the following is NOT a toxin that contributes to foodborne illnesses? A. Heavy metal toxins B. Plant toxins C. Neurotoxins D. Mycotoxinsarrow_forwardThe toxin produced during this infection stops cilia movement and is a major contribution to the disease condition. A. Pertussis B. influenza C. Walking pneumonia D. Diphtheriaarrow_forward
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