EBK BIOLOGY
5th Edition
ISBN: 9780100667976
Author: Maier
Publisher: YUZU
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Question
Chapter 11, Problem 2CTS
Summary Introduction
To review:
The United State has an obligation to provide the low-cost anti TB drugs.
The steps that should be taken by the government and the funded agencies for combating the problem of drug resistant TB.
Introduction:
TB or Tuberculosis is a condition, in which bacteria infect a part of body. The main cause of the infection is the invasion of the bacterium Mycobacterium Tuberculosis. The bacteria generally infect the lungs and causes its fibrosis.
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"A published study suggests that the M72/AS01E vaccine may be able to prevent the development of active tuberculosis. The BCG is the only TB vaccine in routine use but has its limitations. Does this new vaccine provide a viable alternative? Compare and contrast the two vaccines and present your views on the future of TB vaccination."
can you explain in detail the disadvantages of BCG.
the explanation should include:
Only works on children
Fading Protection
Varying Efficacies
Can affect the results of common TB detection tests
Contraindicated in immunocompromised individuals
Drug-resistant TB can be acquired via sequential mutations in the pathogen’s genome, or via transmission of a resistant pathogen from another person. How can these events be distinguished? Why is it important to know which is more prevalent?
Which of the following statements about tuberculosis is FALSE?
TB came back to prominence after the emerging of new MDR (multidrug resistant) strains of M. tuberculosis.
O Most people exposed to M. tuberculosis will develop LTBI (latent TB infection).
Many tests are used to confirm active TB disease including chest X-ray, the skin tuberculin, and the IRGA blood
tests.
The tuberculin skin test is not a good TB screening tool for people who have had the BCG vaccine.
True. What kind of vaccine is the BCG vaccine? What will be the tuberculin test result for someone who has
prior exposure to the pathogen?
Knowledge Booster
Similar questions
- You have just started work in the department of health of your country and the director has asked you to write a report reviewing a whole system approach for controlling the spread of tuberculosis. You must address each of the following bullet points: - Identify the risk factors for spread of tuberculosis at an individual and population level. Compare the impact of these different risk factors and identify, based on evidence, which are the most important to address.arrow_forwardTuberculosis continues to be a serious health concern in many parts of the world. A) true B) falsearrow_forwardWhy should LTBI cases complete TB treatment? Select all that apply. Group of answer choices None of these LTBI is communicable and they must accept treatment to prevent immediate spread. They may develop active TB later if they do not. Their immune system is healthy and less likely to experience severe side effects from treatment. Flag question: Question 3arrow_forward
- Mansah is an HIV patient who was also being treated in a hospital for TB. 1. List the medications that you expect Mansah to be given for i)TB if it is not drug resistant ii) HIV 2. Assuming you have a prescription with above medications and the patient is anemic i) Which other medications do you expect the clinical team to add to patient’s medication? ii) What drug related issues will you try to avoid in the treatment of Mansah’s condition?arrow_forwardwhat are some methods that may be used to prevent transmission of tuberculosis?arrow_forwardWhy are two or more antitubercular medications used together to treat TB disease?arrow_forward
- Two new tests (A and B) have been developed to diagnose gout. The following tables provide information on the number of individuals testing positive or negative and their true status: Calculate the sensitivity, specificity, and positive predictive values for both tests. b) Imagine a situation where the consequences of false negative test results are worse than a false positive test. For example, patients that have gout but test negative may not be treated properly and develop other complications. Which test would you use in this situation? Why?arrow_forwardA 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 sitearrow_forward13) which of the following conditions is caused by a bacterium related to the bacteria that causes tuberculosis? It results in overgrowths on potentially all places on the body. a) leprosy b) none of these are caused by bacterium c) squamous cell carcinoma d) melanomaarrow_forward
- Which of the following is NOT true about tuberculosis? None of the other four answers (All are true about tuberculosis) The microbe that causes tuberculosis can multiply inside macrophages Caused by Mycobacterium Transmitted mainly by aerosol or other contact with infectious respiratory secretions Infection always remains confined to the lungs; i.e., does not spread to other parts of the bodyarrow_forwardif a patient tests positive for a tb test, why will the physician follow up with a chest x-ray of the patient's lungs?arrow_forwardWhat is the epidemiology of TB?arrow_forward
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