Q: What is the purpose of fixing a smear?
A: Smear- a smear is a thin layer of a sample such as bacterial cells or blood spread evenly on a glass…
Q: Which test measures and evaluates the cellular component of blood?
A: Answer
Q: What is the purpose of Thick smear? Purpose of Thin smear?
A: Blood smear:-Also known as peripheral blood smear. -Blood smear has many different uses ranging from…
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: Why is it necessary to obtain an acute and aconvalescent blood sample to monitor infections?
A: Immune system protects the body against infection. It is a complex network of cells and proteins.…
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: What is the main purpose of haemolytic tests? What is the main substance responsible for this…
A: Pathogenic microrganism are the microbes that has capability to cause disease and infection inside…
Q: If you make a five-tube twofold dilution using 2 mL of serum, what is the concentration of serum in…
A: Serial dilutions are done to get some quantification added to an assay. Simple antibody titers or…
Q: What are the different technical considerations in performing the serum protein electrophoresis…
A: Electrophoresis is valuable as diagnostic tool in clinical laboratory. The principle involves the…
Q: What are diagnostic tests for RSV and how are they performed?
A: RSV is respiratory syncytial virus infection. It is Infection of the respiratory tract. It causes…
Q: What test would confirm the presence of Bacillus Cereus?
A: B. cereus is the bacteria species come under rod shaped bacteria, they are motile bacteria and form…
Q: List at least 10 laboratory tests that use whole blood as a test sample.
A: 10 laboratory tests that use whole blood as a test sample.
Q: An advantage of a point-of-care (POC) test is that
A: An advantage of a point of care (POC) is that effective antibiotic therapy can begin without a…
Q: What can be done to prevent the spread of these resistant microbes in the hospital?
A: Resistant microbes cause a major threat of nosocomial infections in hospitals. Healthcare personnel…
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: 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: Describe the Xanthroproteic test. What does the Xanthroproteic test detect?
A: Proteins are one among different biomolecules present in the body, and they are the building blocks…
Q: How does plating efficiency affect the number of plaque-forming units? How is plating efficiency…
A: A viral plaque is defined as the visible structure formed on the culture plate of bacteria or any…
Q: state the difference between a qalitative and quanitative serological test
A: The serological tests lookout for antibodies formed in the body by the invasion of foreign proteins…
Q: How do you measure antibiotic sensitivity?
A: Antibiotic susceptibility testing is the measurement of the sensitivity or resistance of a bacteria…
Q: What are the raw materials of anti-aging serum ? Please answer at your own words.
A: Anti-aging serums and creams are popular in the market due to their repairing and replenishing…
Q: What is a better alternative to the plate count method?
A: The plate count method is used to know the number of bacteria in any sample. It is practiced in…
Q: Name two types of immunodiffusion tests and describe how they operate
A: Immunodiffusion is a test which involves the use of soft agar or agarose to allow diffusion of…
Q: how does immunoessay technic shows the Bence-Jones protein in the urine for the diagnosis of the…
A: Bence jones's proteins are composed of dimers of light chain immunoglobulins S and due to their…
Q: Why is it a mistake to use the same syringe, even with new , sterile needles?
A: Contamination is the presence of any impurity, constituent, or any unwanted element that can infect,…
Q: Is phenol red test a efficient test for unknown intestinal bacteria?
A: Fermentation of carbohydrates is the method used by microorganisms to produce energy. Phenol Red…
Q: Explain how staphylococcus capitis test is different from streptococcus salivarius test ?
A: Streptococcus salivarius and Staphylococcus capitis are both pathogens for humans. These two…
Q: What advantages does the agglutination test have over the definitive S. aureus test?
A: Agglutination test helps to detect an antigen or antibody and involves agglutination of the…
Q: What might cause a false positive presumptive test?
A: In the presumptive analysis, test tubes containing lactose broth are inoculated with an even…
Q: The widal test is used to help in the diagnosis of?
A: Widal test is a serological diagnostic test based on the visible to the eyes agglutination reaction…
Q: Which test require a straight line inoculation? Choose all that apply
A: Answer: STRAIGHT LINE TECHNIQUE : It is the streaking technique of bacterial colony over the agar…
Q: What are the clinical significance of red, black, and gray colored stool specimens?
A: Stools are collected to test several disease conditions like liver disease ,kidney disease , any…
Q: What is the basis of serological tests, and what is their main use forenterics?
A: Serological tests are diagnostic procedures carried out to detect antibodies present in the blood…
Q: Name the technique which is used to detect HIV in Suspected AIDS patient?
A: Human Immunodeficiency Virus (HIV), is a retrovirus that causes the Acquired Immune Deficiency…
Q: Discuss the difference between nontreponemal agglutination test and treponemal agglutination test.
A: An antigen is a disease agent (virus, toxin, bacterial parasite, fungus, chemical, etc.) that our…
Q: Why is serum beta glucan testing used for diagnosing an invasive candidiasis?
A: Yeast a type of fungus. Candida is a genus of yeast. When any member of the genus Candida causes a…
Q: Describe the step-by-step procedure for preparing a thick and thin smear to test for malaria.
A: Malaria is a vector-borne disease that is caused by the parasite Plasmodium. This disease is…
Q: What definitive test for S. aureus is highly correlated with this agglutination test?
A: Given: What definitive test for S. aureus is highly correlated with this agglutination test?
Q: which three items requires the use of Manual Antimicrobial Susceptibility Testing
A: Answer: Antimicrobial Susceptibility Testing : It is the manual testing for the drug used as an…
Q: What methods are used to identify the serovar when there is a Salmonella outbreak? What other…
A: Serovars can be defined as different strains or variants of a bacterial species or a virus that have…
Q: Why do we interpret positive hemolysis in the complement fixationtest to mean negative for the test…
A: Complement fixation test is an immunological blood test in which presence of specific antigen or…
Q: Is Nitrate reduction test a efficient test for unknown intestinal bacteria?
A: Nitrate Reduction Test is used to determine the ability of an organism to reduce nitrate (NO3) to…
Q: How is ELISA used to detect Ebola (what antigens or antibodies)? How is this procedure done?
A: ELISA means enzyme-linked immunoassay. ELISA works on the antigen antibodies binding principle in…
Q: What is Hemin test and Benzidine test?
A: Hemin test - Hemin can be produced from haemoglobin by the so-called Teichmann test, when…
Q: Which portion of the blood is used for the Elisa test? Explain.
A: ELISA is an enzyme linked immunosorbent Assay which is a biochemical test used to detect the…
Q: What single test differentiates Staphylococcus aureus from other species of staphylococci? What is…
A: Staphylococcus aureus is present on human skin and anterior nares along with other mucous membranes.…
Q: What is the definition of the term Resistant? How do you detect that your microorganism is…
A: Resistant- ability of bacteria to endure the effects of a damaging chemical substance is known as…
What other infections or conditions can be detected by an ELISA?
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