Microbiology with Diseases by Body System, Books a la Carte Edition (5th Edition)
5th Edition
ISBN: 9780134618449
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Chapter 17, Problem 4MC
When antigen and antibodies combine, maximal precipitation occurs when _________.
- a. antigen is in excess
- b. antibody is in excess
- c. antigen and antibody are at equivalent concentrations
- d. antigen is added to the antibody
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Students have asked these similar questions
Which of the following is the best definition of antigen?
Question 8 options:
A)
something foreign in the body
B)
a substance that elicits an immune response
C)
a chemical that combines with antibodies
D)
a pathogen
Table/Graph attached below.
1. Analyze the data provided and answer the following:
a) Compare your body’s response to antigen “A” both times you were exposed. Describe at least two ways in which the body’s response is different.
b) Why might your body’s second response to “antigen A” have been so different? What changes may have occurred to your immune system?
The immune system of a person is supressed. He was found positive for a pathogen in the diagnostic test ELISA.(a) Name the disease, the patient is suffering from.(b) Which pathogen is identified by ELISA test?(c) Which cells of the body are attacked by the pathogen?(d) Suggest preventive measure of the infection.
Chapter 17 Solutions
Microbiology with Diseases by Body System, Books a la Carte Edition (5th Edition)
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 - Using the following terms, fill in the following...
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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
- a. Explain why most immune reactions result in a polyclonalcollection of antibodies.b. How do monoclonal antibodies differ from this?c. Describe several applications of monoclonals in medicine.arrow_forward__________________ is a condition that results when cytotoxic T cells attack the body’s own cells.a. An allergic response b. Autoimmune disease c. Passive immunityd. Active immunityarrow_forwardThe complement system of defense is composed of proteins that are always present in the blood. Which statement describes the importance of this system in early pathogen defense? A.) It does not have to be activated by antibodies. B.) It rapidly lower the blood pH. C.) It recognizes specific common pathogens. D.) It causes immediate pathogen lysis.arrow_forward
- Antibodies are made from_____________ cells.arrow_forwardA person shows unwelcome immunogenic reactions while exposed to certain substances.(a) Name this condition.(b) What common term is given to the substances responsible for this condition?(c) Name the cells and the chemical substances released which cause such reactions.arrow_forwardWhich of these statements about the Fab portion of antibodies is true? a.It binds to antigens. b.Its amino acid sequences are variable. c. It consists of both H and L chains. d. All of these are true.arrow_forward
- The best definition of an antigen is:(a) A foreign molecule in the body(b) A chemical that elicits antibody production and binds tothat antibody(c) A molecule that binds to antibody(d) A pathogen(e) An enzyme that activates B cellsarrow_forwardUpon further testing, it is found that Matthew in question 4 does have normal cellular immunity. However, without antibodies Matthew will be less able to a. destroy cancer cells. b. destroy virus-infected cells. c. bind viral particles. d. destroy intracellular pathogens.arrow_forwardThe Fab regions of an antibody are made of which protein chain? A) a heavy chain containing only constant regions B) a light chain containing variable and constant regions C) a heavy chain containing variable and constant regions D) both a light chain and a heavy chain containing variable and constant regions E) both a light chain containing variable and constant regions and a heavy chain containing only constant regionsarrow_forward
- A person with blood type A has a. anti-B antibodies in her blood plasma. b. anti-A antibodies in her blood plasma. c. both anti-A and anti-B antibodies in her blood plasma. d. no antibodies in her blood plasma.arrow_forwardWhich of the following statements is NOT true of a fever?a. Temperature is regulated by chemicals that reset the body's thermostat to a higher setting.b. The higher than normal body temperature impairs the functions of some bacteria.c. The higher than normal body temperature is always harmful.d. The higher temperature impairs leukocytes andantibody production.e. Both c and d. Which of the following statements is NOT true of antibodies?a. They bind to foreign antigens, making them susceptible to being engulfed by phagocytes.b. They serve as specific binding sites on B cells.c. An antibody is usually able to bind to a variety of different types of antigensd. They are composed of two heavy chains and two light chains.arrow_forwardWhich of these cell types aids the activation of T lymphocytes by antigens? a. Macrophages b. Neutrophils c. Mast cells d. Natural killer cellsarrow_forward
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