The TB skin test is usually negative in AIDS patients. Why?

Q: The influenza virus produces a protein that degrades interferon. How does this increase its…

A: Some viruses like influenza virus escape the anti-viral activities of interferons by gene (and thus…

Q: please illustrate a fischer model of gluconeogenesis

A: introduction  Gluconeogenesis is a metabolic pathway that converts non-carbohydrate sources, such as…

Q: Why is a false-positive more significant in HIV testing of patients than in screening donated blood…

A: HIV (human immunodeficiency virus) is defined as a virus that will attack the immune system of an…

Q: How would you test to assure that a chickenpox vaccine was effective against chickenpox and…

A: Vaccines are a part of the adaptive immune system. It helps the immune system to recognize the…

Q: What is the T cell count below which HIV infection is now classified as AIDS?

A: We can say that the CD4 test or CD4 count test is a type of blood test used to measure the level of…

Q: Candida Albicans may cause minor infections in healthy people,but causes dangerous infections in…

A: A disease is a state of unhealthiness of the physical body, mind and social interaction. A disease…

Q: Here are three different methods that were used to protect people from smallpox: 1. Blowing…

A: The objective of the question is to understand how the immune system responds to different methods…

Q: A positive tuberculin test shows cellular immunity to Mycobacterium tuberculosis. How could a person…

A: 1. Previous TB infection:  - When an individual is infected with M. tuberculosis, the bacteria are…

Q: vaccine known as bacillus calmette guerin bcg is used. it is not used in the united states. every…

A: The Bacillus Calmette-Guérin (BCG) vaccine is a vaccine used to prevent tuberculosis (TB). It is…

Q: How can we convince the general public and possibly even ourselves, that immunization is a necessary…

A: Immunization is a process of providing vaccine to a person to prevent, safeguard from dangerous…

Q: why is chickenpox significant in the field of microbiology, supporting response with real-world

A: Chickenpox is caused by the Varicella-zoster virus (VZV) which belongs to the family of herpes…

Q: What is a major mechanism by which HIV damages the immune system in AIDS?

A: Viruses can spread through various agents such as air, water, direct contact, and by other means.…

Q: What can you say about a positive latex agglutination test?   Question 3 options: A It shows the…

A: The latex agglutination test is designed to search for antibodies or antigens in urine, saliva, or…

Q: What are the major differences between an IgE-mediated skin reaction, such as hives, and a…

A: Hypersensitivity can be defined by the intolerance shown my the immune system. It may be manifested…

Q: Explain how it is possible for people to give a false-positive reactionin blood tests for syphilis,…

A: Syphilis is caused by  bacterium Treponema pallidum. And it can be detected with blood test called…

Q: Why is AIDS difficult toprevent by vaccination?

A: Acquired immune deficiency syndrome (AIDS) is a condition that causes damage to the immune system of…

Q: In order to view Treponema pallidum, the causative agent of syphilis, under the microscope, you can…

A: In test we are detecting a bacteria under microscope (fluorescence microscope) and the tag are uses…

Q: How is a direct agglutination test different from a passive agglutination test?

A: Agglutination is defined as a reaction in which certain particles (like RBCs or bacteria) that are…

Q: At time point A, the patient's IgG titer against antigen X is 1:6, the patient's IgM titer to the…

A: The immune system is a complex network of cells, tissues, and organs that work together to defend…

Q: How is RT PCR used to detect Ebola? How does the actual RT PCR procedure work? How is ELISA used to…

A: SOLUTIONThe RT-PCR and antigen-capture diagnostic assays proved very effective for detecting…

Q: Discuss that, Is Widal test a confirmatory test for typhoid fever?

A: Enteric fever is caused by certain strains of the genus Salmonella. The diagnosis is dependent on…

Q: 1. Why si HIV-1 antibody the predominant antibody present in the patient’s serum and why?

A: The immune system helps the body fight against infections and pathogens. There are different types…

Q: bronchitis.

A: 1 -Recurrent Respiratory Infections Recurrent respiratory infections are common in adults but may…

Q: Cryptococcus neoformans is just as problematic in healthy people as in AIDS patients. True or…

A: Cryptococcus neoformans is an encapsulated yeast and an obligate aerobe that can live in both plants…

Q: Injectable products must be endotoxin-free.  true or false?

A: Endotoxin is a type of pyrogen and is component of the exterior cell wall of Gram negative bacteria…

Q: A clinic received a child of 5 years with a diagnosis of acute bronchitis. Staphylococcus was found…

A: Staphylococcus aureus, gram-positive cocci that move to the lungs through the blood from other…

Q: How many times should a child be vaccinated against tetanus?

A: The tetanus vaccine is part of a prescribed series of childhood and adult vaccinations to protect…

Q: So would it be HIV/AIDS instead of Agammaglobulinaemia?

A: Flow cytometry is the method to study physical and chemical characteristics of the cells (usually…

Q: People in central Asia are still suffering from smallpox in-fections. True or false?

A: Introduction:- The variola virus, a member of the orthopoxvirus family, causes smallpox, an acute…

Q: Can UV light kill Ebola

A: UV light – UV light is a form of energy that is measured with the help of a scientific scale called…

Q: why can't we use western blotting test as diagnostic test for hiv alone without using ELISA?

A: Human immunodeficiency virus(HIV) is considered a virus that attacks the body's immune system. HIV…

Q: What are the steps of latex agglutination test for Streptococcus infection?

A: INTRODUCTION Latex agglutination test It is the test that is used to detect antibodies from body…

Q: What are advantages and disadvantages of the antibody test with the coronavirus?

A: We know that The Severe Acute Respiratory Syndrome corona virus-2 (SARS-CoV-2) is responsible for…

Q: 6-year-old male is brought to his pediatrician's office with chickenpox. He has had symptoms for one…

A: Chickenpox is a varicella-zoster virus-induced infection. With thin, fluid-filled blisters, it…

Q: what host cell is most important in HIV-1 progression to AIDS and why?

A: A Cell that offers shelter and food to an international organism is known as a Host Cell. When two…

Q: What standard and isolation precautions do you need to follow? Why?

A: An infection is caused by the action of microorganisms mostly bacteria on any part of the body of an…

Q: how is the varcella vaccine contracted

A: Very slow vaccine also called as chicken pox vaccine is a widely used vaccine all around the World…