EBK HUMAN BIOLOGY
11th Edition
ISBN: 8220100545931
Author: MCMILLAN
Publisher: Cengage Learning US
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Chapter 9, Problem 5CT
Summary Introduction
To determine: What would happen if a physician tries Edward Jenner’s experiment today.
Introduction: An immune system is a defense system that consists of many biological structures and processes inside an organism in order to protect against the diseases. If the immune system does not function properly, it may lead to many serious disorders. These disorders possess low activity or over activity of the immune system.
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A hospital in Vienna noted that many of their female patients were dying of "childbed fever" after they had given birth in the hospital. The rates of this fever were much higher in the hospital than they were for women who had given birth at a different clinic.
Ignatz Semmelweis was a doctor at the clinic and he felt that the fever was being transmitted on the hands of doctors when they went fren the morgue to examine women. He asked the doctors to wash their hands. After hand-washing was required, the number of cases of "childbed fever" were reduced. He also noted that a doctor contracted the same fever after he cut himself with a scalpel that had been used on an autopsy.
REASONING: If fever as something that could be transferred from person to person, then ...
a) the number of women in both clinics who got a fever would be the same
b) doctors who worked in the morgue would get a fever
c) patients treated by doctors who did not wash their hands would get fever
Walter teaches primary school and his class has suffered an outbreak of chicken pox(varicella). Walter notices that a number of the children who have previously suffered from chickenpox do not catch the infection during this outbreak. Explain this observation.
A mother calls the clinic to ask what medication to give her 5-year-old child for a fever during a bout of chickenpox. The nurse’s best response would be: a )“Your child is 5 years old, so it would be okay to use children’s aspirin to treat his fever.”b )“Start with acetaminophen or ibuprofen, but if these do not work, then you can try aspirin.”c )“You can use children’s dosages of acetaminophen or ibuprofen, but aspirin is not recommended.”d )“It is best to wait to let the fever break on its own without medication.”
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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