Microbiology: An Introduction
12th Edition
ISBN: 9780321929150
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 18, Problem 3R
DRAW IT Label the components of the direct and indirect FA tests in the following situations. Which test is direct? Which test provides definitive proof of disease?
(a) Rabies can be diagnosed postmortem by mixing fluorescent- labeled antibodies with brain tissue.
(b) Syphilis can be diagnosed by adding the patient’s serum to a slide fixed with Treponema pallidum. Antihuman immune serum globulin tagged with a fluorescent dye is added.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
A serological test methods was conducted to determine typhoid fever using serum ( Widal test).Determine the bellow outcome;
a.i) Interpret the results and it's limitations.
ii) suggest the quality control observed in performing the test.
identify the different cells in the blood smear image by their phenotypes and state their primary function in the table below
A community health nurse is conducting a tuberculosis (TB) screening clinic at a homeless shelter. Which assessment finding would indicate a positive TB skin test? a) Redness and swelling at the injection site measuring 3 mm in diameter b) Induration at the injection site measuring 6 mm in diameter c) Absence of any reaction at the injection site d) Blister formation at the injection site
Chapter 18 Solutions
Microbiology: An Introduction
Ch. 18 - Which could cause the disease it is supposed to...Ch. 18 - Define the following terms, and give an example of...Ch. 18 - DRAW IT Label the components of the direct and...Ch. 18 - How are monoclonal antibodies produced? What is...Ch. 18 - Explain the effects of excess antigen and antibody...Ch. 18 - Prob. 6RCh. 18 - How does the antigen in an agglutination reaction...Ch. 18 - Match the following serological tests in column A...Ch. 18 - Prob. 9RCh. 18 - Prob. 10R
Ch. 18 - Prob. 1MCQCh. 18 - Prob. 2MCQCh. 18 - Prob. 3MCQCh. 18 - Prob. 4MCQCh. 18 - Prob. 5MCQCh. 18 - Prob. 6MCQCh. 18 - Prob. 7MCQCh. 18 - Test used to identify rabies virus in the brain of...Ch. 18 - Prob. 9MCQCh. 18 - Prob. 10MCQCh. 18 - What problems are associated with the use of live...Ch. 18 - Prob. 2ACh. 18 - Prob. 3ACh. 18 - Which of the following is proof of a disease...Ch. 18 - Prob. 2CAECh. 18 - Prob. 3CAECh. 18 - Prob. 4CAE
Additional Science Textbook Solutions
Find more solutions based on key concepts
How does the removal of hydrogen atoms from nutrient molecules result in a loss of energy from the nutrient mol...
SEELEY'S ANATOMY+PHYSIOLOGY
Why do scientists think that all forms of life on earth have a common origin?
Genetics: From Genes to Genomes
Gregor Mendel never saw a gene, yet he concluded that some inherited factors were responsible for the patterns ...
Campbell Essential Biology (7th Edition)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Pertussis, also known as whooping cough, is a highly contagious respiratory disease. Below is a graph showing the prevalence of cases of pertussis in England and Wales. Answer ALL of the following questions based on the graph. 1) What do the orange and the green lines signify? 2) Make TWO inferences on the relationship between the orange and the green lines. 3) Estimate within a 5-year span, the approximate time that a vaccine for pertussis became available.arrow_forwardPlease answer the following regaring infections diseases/viruses: a) Describe a chain of infection for how SARS-CoV-2 can be spread. b) How does contact racing help stop the spread of a disease? c) What recommendations do you have to improve the process of contact tracing?arrow_forwardA young adult is taking part in a hepatitis B vaccine phase III clinical trial. Her specific antibody titers are measured several days after each injection as part of the trial. She develops joint aches and swelling, as well as a slight rash, several hours after the third injection. After the study, an examination of her records reveals that she had high antibody titers after the first dose, with increasing titers with each subsequent dose. Which of the following is most likely to be the cause of her negative reaction?a. reaction to the vehicle (a substance in which the viral antigen is suspended).b. Anaphylaxis reactionc. Arthus-type hypersensitivity reactiond. production of antibodies cross-reacting with synovial (joint) antigens and epidermal antigens.arrow_forward
- During the current COVID 19 pandemic antibody tests have develop to track whether someone is exposed to COVID 19.If the antibody test results for one person is showing low levels of Igm and Igg in Person ? a)The person in the middle of 2nd exposure of infection b)The person is in the middle of his 3rd exposure or infection c)the person is in middle of his 1st exposure or infection d) the person is in the middle of his 4th exposure or infectionarrow_forwardMRSA (methicillin-resistant staphylococcus aureus bacteria) infections are becoming more common as the prescribing of antibiotics increases. (a) is the DQ for the routine use of antibiotics to treat sore throats high or low? Justify your answer briefly. (b) How does this DQ differ from the DQ for the use of antibiotics to treat influenza (higher or lower)? Justify your answer briefly.arrow_forwardA 38 year-old woman went to a hospital and complained of a non-productive cough and dyspnea, which has progressed over two weeks. Based on physical examination, she was pale, diaphoretic and in acute respiratory distress. According to her, she had sexual contact with his partner for the past weeks. The physician ordered laboratory tests and results revealed that the CD4 count was significantly low. QUESTIONS: 1. What might be the predominant antibody present in the patient’s serum and why?arrow_forward
- Based on our class results, which of the following should be effective when treating an E. faecalis infection? [Choose all that apply] Group of answer choices Kanamycin (K-30) Vancomycin (Va-30) Novobiocin (NB-30) Ciprofloxacin (CIP-5) Ampicillin (AM-10) Amoxicillin/Clavulanic acid (AmC-30) Bacitracin (B-10) Bacitracin (B-10) Trimethoprim/Sulfamethoxazole (SXT)arrow_forwardCOVID-19 is caused by infection with a novel corona virus, SARS-CoV-2. Testing someone for active infection involves examining samples taken from the nasal mucosa for fragments of the virus. Another type of testing involves examining blood for the presence of antibodies that can bind to SARS-CoV-2. Use what you've learned about the immune system. What are the suggested reasons why someone would possess antibodies to SARS-CoV-2.arrow_forwardWhat is the distinguishing feature of Hodgkin disease noted on histogram exam 1)red stained cells 2)Human papilloma virus 3)B-Cells and T-cellsarrow_forward
- Which link in the chain of infection is the intervention described below meant to break? "N95 respirators reduce the wearer's exposure to airborne particles, from small particle aerosols to large droplets. N95 respirators are tight-fitting respirators that filter out at least 95% of particles in the air, including large and small particles." (https://www.cdc.gov/coronavirus/2019- ncov/hcp/respirator-use-faq.html) Portal of entry Means of transmission O Infectious agent Susceptible hostarrow_forward A 27-year-old man has had a fever and cough for four months . Auscultation of the chest discloses crepitant crackles confined to the apex that persist despite coughing. An x-ray off the chest shows enlarged hilar lymph nodes. Acid fast stain of the sputum is positive. Which of the following characterizes the cellular host reaction? A) Humoral antibody formation of B lymphocytes B) interferon gamma production by CD4 T lymphocytes C) interferon gamma production by CD8 T lymphocytes D) macrophage lysis by B lymphocytes E) macrophage lysis by CD4 T lymphocytes arrow_forwardTwo individuals are tested for Mycobacterium tuberculosis. Mycobacterium tuberculosis is isolated from patient number 1. Antibodies against Mycobacterium are isolated from patient number 2. Which person has the disease, or do they both?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Serology 101: Testing for IgG and IgM antibodies; Author: Beckman Coulter Dx;https://www.youtube.com/watch?v=LtqKB-qpJrs;License: Standard youtube license