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

Q: what are the vaccines

A: Inorder to protect ourself from various diseases we takes some steps such as: Taking clean and safe…

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 are IgE-mediated allergic reactions treated? What is the chemical mechanism behind the…

A:

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: Why is modified Allen test performed prior to the radial blood gas test?

A: Blood is an important fluid tissue that is used to transport nutrients and oxygen to all parts of…

Q: What is the cause of False-Positive of bilirubin in Blood test?

A: Bilirubin is a brownish-yellow pigment formed by the lysis of erythrocytes. Only when bilirubin…

Q: The doctor noted that Bill had no tonsils even though he had never had a tonsillectomy. How do you…

A: The main function of the secondary lymphoid tissue is providing the suitable environment for the…

Q: alternative testing method for bilirubi

A: A reagent strip is a thin paper piece that contains a reagent that reacts with a specific component…

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: Why does hemagglutination occur and how can it be used in the clinical laboratory?

A: The antigen is any foreign substance that has entered the body. The antibody is the chemical that is…

Q: Explain why babies with agammaglobulinemia do not develop opportunistic         infections until…

A: "Until around 2 to 3 months, the infant's immune system does not develop," Dr. Sabella says. The…

Q: What is the mechanism by which the AIDS virus causes deficiency ofimmune system of the infected…

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

Q: Why is it difficult to cure AIDS?

A: * Human immuno deficiency called HIV that attacks body immune system. *if HIV is not treated it can…

Q: how can some drugs lead to a type 2 hypersensitivity?

A: Hypersensitivity refers to undesirable and unwanted reactions produced by the normal immune system,…

Q: what are the limitations of the above-mentioned tests for this condition?

A: As bilirubin builds up in the bloodstream it causes jaundice which is a condition  characterized by…

Q: Does the TB skin test expose you to tuberculosis?

A: Answer- Tuberculosis is a bacterial infection that affects lungs and spreads when a person coughs.

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: 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 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: What, if any, is the relationship between chancroid and development of AIDS?

A: Chancroid is an ulcerative disease that occurs in the genital or anogenital areas. It is caused by…

Q: a. Seropositivity means having a blood serum that tests positive. Explain why it may or may not…

A: Infectious or non-infectious diseases could affect the body’s functioning. When blood serum is…

Q: What political and societal factors might lead to a decrease in childhood immunizations?

A: In physiology, childhood immunization is defined as vaccination in order to develop immunity against…

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: Explain the reasons for changes in antibody titer for a singleinfectious agent, from the acute phase…

A: Antigen is a foreign particle or infectious agent which elicits the immune response in one body and…

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: The indirect reason for the appearance of skin lesions due to a Type IV hypersensitivity is Tc cells…

A: Hypersensitivity  Hypersensitivity or hypersensitive reactions are intolerance type reactions which…

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: What is HIV undetectable? What is HIV undetectable postive? What is difference between HIV…

A: The concise form of the human immunodeficiency virus is HIV. It generally attacks the immune system…

Q: What are the four reasons a blood culture result can be a false positive?

A: A microbiological culture, also referred as a microbial culture, is a method of multiplying…

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: 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: Question 8 Bulbar polio is a which specific type? O Asymoptomatic O Nonparalytic O Minor polio O…

A: Polio or poliomyelitis caused by the poliovirus which in some cases moves from gut to the central…

Q: poison ivy

A: POISON IVY:     Toxicodendron radicans, commonly known as poison ivy, is a plant that can lead to an…

Q: What is the cause of theimmunodeficiency presentedby AIDS patients?

A: AIDS (acquired immunodeficiency syndrome) is a chronic, non-infectious disease that compromises the…

Q: bronchitis. Staphylococcus was

A: The initial burst of antibody production gradually decreases as the stimulus is removed (e.g., by…

Q: All of the following are true concerning the Alere HIV test except: a)this test can detect…

A: Introduction  HIV stands for Human Immunodeficiency Virus which cause AIDS (Acquired…