EBK HUMAN BIOLOGY
11th Edition
ISBN: 8220100545931
Author: MCMILLAN
Publisher: Cengage Learning US
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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
EBK HUMAN BIOLOGY
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 example of a noncommunicable infection isa. measles b. leprosy c. tuberculosis d. tetanusarrow_forwardA 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_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_forward
- The 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-Which of the following is not an example of a virulence factor? a. the pathogen changes it spike proteins over a short period of time b. the pathogen is nosocomial c. the pathogen can lyse phagosomes d. Lipopolysaccharide (LPS)arrow_forwardHaemophilus influenzae is ________and requires special ____________for growth.a. motile, temperatures b. encapsulated, minerals c. intracellular, sample swabs d. fastidious, blood factorsarrow_forward
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