Microbiology with Diseases by Body System & Modified MasteringMicrobiology with Pearson eText -- ValuePack Access Card -- for Microbiology with Diseases by Body System Package
1st Edition
ISBN: 9780133857122
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Textbook Question
Chapter 17, Problem 2CT
Which is worse: to use a diagnostic test for HIV that may falsely indicate that a patient is not infected (false negative) or to use one that sometimes falsely indicates that a patient is infected (false positive)? Defend your choice.
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Chapter 17 Solutions
Microbiology with Diseases by Body System & Modified MasteringMicrobiology with Pearson eText -- ValuePack Access Card -- for Microbiology with Diseases by Body System Package
Ch. 17 - Prob. 1TMWCh. 17 - A diagnostician used an ELISA to show that a...Ch. 17 - To obtain immediate immunity against tetanus, a...Ch. 17 - Which of the following vaccine types is commonly...Ch. 17 - Prob. 3MCCh. 17 - When antigen and antibodies combine, maximal...Ch. 17 - An anti-antibody is used when _________. a. an...Ch. 17 - Prob. 6MCCh. 17 - Prob. 7MCCh. 17 - Prob. 8MC
Ch. 17 - Prob. 9MCCh. 17 - Prob. 10MCCh. 17 - Prob. 11MCCh. 17 - An antiserum is ________. a. an anti-antibody b....Ch. 17 - Prob. 13MCCh. 17 - Prob. 14MCCh. 17 - Prob. 15MCCh. 17 - Prob. 1MTFCh. 17 - Prob. 2MTFCh. 17 - Prob. 3MTFCh. 17 - Modified True/False 4. _________________ ELISA is...Ch. 17 - Prob. 5MTFCh. 17 - Match the characteristic in the first column with...Ch. 17 - Identify the chemicals represented by this artists...Ch. 17 - Prob. 2VICh. 17 - Compare and contrast the Chinese practice of...Ch. 17 - What are the advantages and disadvantages of...Ch. 17 - Compare the advantages and disadvantages of...Ch. 17 - How does precipitation differ from agglutination?Ch. 17 - Explain how a pregnancy test works at the...Ch. 17 - Compare and contrast herd immunity and contact...Ch. 17 - How does nephelometry differ from turbidimetry?Ch. 17 - Is it ethical to approve the use of a vaccine that...Ch. 17 - Which is worse: to use a diagnostic test for HIV...Ch. 17 - Discuss the importance of costs and technical...Ch. 17 - What bodily fluids, in addition to blood serum,...Ch. 17 - Why might a serological test give a false positive...Ch. 17 - Some researchers want to distinguish B cells from...Ch. 17 - Describe three ways by which genetic recombinant...Ch. 17 - How does a toxoid vaccine differ from an...Ch. 17 - Explain why many health organizations promote...Ch. 17 - Contrast a hemagglutination test with a viral...Ch. 17 - Prob. 11CTCh. 17 - Draw a picture showing, at both the molecular and...Ch. 17 - Prob. 1CM
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- All of the following are true concerning the Alere HIV test except: a)this test can detect infection 10 days post exposure b)the presence of three lines on the test indicates a positive reaction for anitgen and antibody against HIV c)unlike Oraquick the test is run with blood sample only and not oral fluid d)the presence of a single line indicates that a person has antibodies but no antigen for HIV e)this is a test that is considered both a direct and indirect test for HIV diagnosisarrow_forwardby reading the text above answer the question What is compulsory HIV Testing? When is it allowed? Provide your legal basis or justification. limit answer into 4 to 6 sentences onlyarrow_forwardIf a patient was nonadherent to HIV drugs, in this case, what does nonadherent mean?arrow_forward
- What are the main biomarkers in the blood that can be used to diagnose HIV infection? Give at least one advantage and one disadvantage for each biomarker. What tests are available to detect each of these biomarkers?arrow_forwardFrom a biological perspective, AIDS is passed more readily from women to men than from men to women. True or false?arrow_forwardplease do answer all of the question, thank you! :>arrow_forward
- Why is it important to get vaccinated against COVID-19? Choose the best answer. * It ensures that the person will not be infected by the virus. No answer It lowers the risk of contracting the disease. It protects the individual and his/her family. It protects the whole community, including those who cannot be vaccinated.arrow_forwardDiscuss the various ways of AIDS transmission in both men and women. After defining the nonprogressor condition, analyze how it can be harnessed in the research against AIDS.arrow_forwardScenario: In a rural community, a primary health care nurse is conducting a door-to-door vaccination campaign to address a recent outbreak of measles. The nurse notices that many parents are hesitant to vaccinate their children due to misinformation. The nurse decides to organize an educational seminar to address these concerns. What approach should the nurse take to effectively communicate the importance of vaccination? Options: A) Use complex medical terms to explain the effectiveness of vaccines. B) Distribute printed materials without engaging in direct conversation. C) Employ a culturally sensitive communication strategy, using simple language and visual aids. D) Recommend vaccination without providing any rationale.arrow_forward
- Prior to the development of detection assay for HIV in the blood supply, HCV was used as a proxy. That is to say, any donated blood found to be contaminated with HBV or HCV was also assumed to be HIV positive as well. What do you think was the rationale behind the use of HCV as an indicator of HIV? Do you think this was a reasonable approach at the time?arrow_forwardWhat can you say about a positive latex agglutination test? Question 3 options: A It shows the patient is sick with the disease B It shows the patient has never been exposed to the disease C It shows the patient has both the antibodies and the antigen for a disease D It shows no agglutination E It shows the patient has the antibodies to a diseasearrow_forwardUse this information to answer the question. Human Immunodeficiency viruses, Types 1 and 2 (HIV 1,2) Antibody testing (1985) and NAT (1999) Blood donation screening for HIV-1, the causative agent of AIDS began with antibody testing in 1985. Many improvements in testing have occurred including adding the detection of a second HIV agent (HIV-2 in 1992). A chemiluminescent immunoassay (ChLIA) is used for the qualitative detection of antibodies to HIV-1 and HIV-2. A duplex nucleic acid test (NAT) was introduced for HIV-1/HCV RNA detection in 1999, and updated to include the detection of HBV DNA in 2009 (see above). The next version of NAT will include HIV-2 RNA detection (to be implemented in 2020). Donors who test antibody reactive are further evaluated by additional tests to confirm the presence of HIV antibody and to differentiate HIV-1 from HIV-2 antibodies. Tests for this purpose have included a HIV western blot, an HIV-2 enzyme-linked immunoassay and an HIV-1 and HIV-2 rapid test…arrow_forward
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