Microbiology: An Introduction
11th Edition
ISBN: 9780321733603
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: Benjamin Cummings
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Chapter 18, Problem 1MCQ
Summary Introduction
Introduction:
Influenza virus is of four types. It causes seasonal fever in humans. When the influenza virus is seen in a serum of sheep red blood cells and anti-sheep red blood cells, then the patient will produce an antibody against the influenza virus. Hem agglutination inhibition occurs.
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What would happen if patient 4 (O+) donated plasma to patient 1 (A+)?
Select one:
a.
You cannot donate only plasma.
b.
The anti-A antibodies in the plasma of patient 4 would agglutinate with the antigens on the RBC of patient 1.
c.
It would be a safe donation because no agglutination would occur.
d.
The anti-A antibodies in the plasma of patient 1 would agglutinate with the antigens on the RBC of patient 4.
Consider acute hemolytic disease as a result of the transfusion of an incompatible blood type. Which is/are true?
a.
red blood cells are lysed, spilling hemoglobin out of the red blood cells
b.
plasma antibodies cause red blood cells to clump
c.
plasma antibodies recruit white blood cells to attack red blood cells
d.
free hemoglobin in the plasma is harmless
Match each item in column A with the most closely related item in column B. Place letters for answers in the spaces provided.
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 - What problems are associated with the use of live...Ch. 18 - Prob. 2ACh. 18 - Prob. 3ACh. 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 - Which of the following is proof of a disease...Ch. 18 - Prob. 2CAECh. 18 - Prob. 3CAECh. 18 - Prob. 4CAE
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- Give an brief explanation: A 69-year-old male is preparing to undergo a lung transplant. The transplantation laboratory is playing a major role in the preparations by consulting with the surgical team performing the transplant. 1. Members of the transplant team, including the transplantation laboratory, discuss the risk of graft-versus-host disease (GVHD) associated with lung transplantation. What is GVHD? A, Recipient T cells recognize foreign HLA antigens on donor cells, activating CD8 T cytotoxic cells. B. Recipient antigen-presenting cells receive processed donor HLA peptides from recipient HLA Class II molecules, which cause CD4 T helper cells to activate B cells to produce antibodies to foreign HLA molecules. C. Transplanted lymphocytes mount an immune response toward the recipient through T-cell destruction of host tissue. 2. Why does lung tissue have an increased risk of GVHD? A. Lung tissue is hard to properly match for ABO. B. Lung tissue contains an increased number of…arrow_forwardIn hereditary hemolytic anemia, massive destruction of red blood cellsoccurs. Would you expect the reticulocyte count to be above or belownormal? Explain why one of the symptoms of the disease is jaundice. In 1910, physicians discovered that hereditary hemolytic anemiacan be treated successfully by removing the spleen. Explain why thistreatment is effective.arrow_forwardA new blood test has been developed to screen for disease Z. Researchers establish 50 units as a cut point above which a test is considered positive and thereby indicative of disease. The test manufacturers determine that the test's sensitivity is unacceptably low. However, the manufacturers are not concerned with the specificity and do not want the cost of the test to rise. How can they improve the sensitivity of the test?arrow_forward
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