Q: Why is skin contamination such a big problem in blood culture test?
A: Contamination can arise during the preparation of the venipuncture or catheter insertion site, the…
Q: Alchohol based hand sanitizers are effective against influenza. True/False?
A: Influenza is a viral infection caused by the influenza virus. It is commonly known as flu. There are…
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: Which of the following methods can identify different strains of a microbe? a. microscopic…
A: Microscopic examination is used for the identification and enumeration of microorganisms.…
Q: Differentiate the following artificial media used in animal cell culture: serum-containing media…
A:
Q: Which test below could be used to identify antibodies against pandemic coronavirus in a person…
A: Covid sickness (COVID-19) is an irresistible illness brought about by a newfound Covid. A great…
Q: Considering microbial identification methods, to which category would the following method belong…
A: Microbial identification plays very crusial role in studying the growth of microorganism, with…
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: a tabular form, sufficiently list all unacceptable smears and their causes.?
A: We know Examination of blood film or smear is very essential to rule out the certain diseases/…
Q: Which laboratories require an occupational exposurecontrol plan for handling bloodborne pathogens?…
A: Blood borne pathogens are the pathogenic microbes that can carry in the blood and cause fatal…
Q: Define Containment and explain their techniques.
A: The term containment refers to the safe methods or properly managing infectious agents in the…
Q: Wright's stain is sued to visualize a peripheral blood smear
A: Wright't stain is a mixture of eosin (acidic) and methylene blue (basic) dye. This stain was…
Q: Enumerate the Aim of blood smear
A: The blood smear is a test used to find abnormalities in blood cells.
Q: Provide at least two other examples of samples that are best prepared using Smear Preparation…
A: Smear preparation is a technique that is used by spreading a small quantity of sample on the slide…
Q: What is the recommended method to identify an antibody causing a suspected ABO based HDN( Hemolytic…
A: Erythroblastosis fetalis is known as hemolytic disease of the newborn. The two main causes of this…
Q: Negative Control Unknown Isolate
A: Blood agar comes as a basal media and can be used as a general growth medium. Blood agar is an…
Q: Differentiate between the hypersensitivity reactions involvingan incompatible blood transfusion and…
A: Any condition that interferes with normal body functioning is considered a disease. Immunity is the…
Q: spillover' mean
A:
Q: You counted 40 colonies on a plate in your dilution series. The plate was inoculated with 1.0ml from…
A: A microbial sample will have enormous amount of cells. To estimate this by calculation, the sample…
Q: Which of the following tests involve antibiotics? Choose all that apply OBacitracin ODNase…
A: Antibiotic susceptibility/ sensitivity test is test which is used to determine which antibiotic is…
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: The best medium for using antibiotic susceptibility testing is _________________, the reason why…
A: Antibiotic susceptibility test is basically used to measure the ability of an antimicrobial agent or…
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: Describe the principles behind sensitivity testing for infectiousagents.
A: The susceptibility or sensitivity of microorganisms is an important factor that must be considered…
Q: Describe the factors that may affect the identification of an infectious agent from a patient…
A: Microbes are generally termed to state that they are living things that cannot be seen with the…
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: 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: 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: 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: What test can help you differentiate staphylococci from streptococci? What reagent or media would be…
A: Both are gram positive bacteria.
Q: Explain why two separate tests are generally used to diagnose HIVinfection.
A: HIV stands for Human Immunodeficiency Virus. It is a positive strand enveloped RNA virus, belongs to…
Q: Illustrate the step-wise procedure of making a blood smear.
A: Phlebotomy refers to the process of puncturing the vein with a cannula to collect blood. 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: what type of T-test is used if we want to correlate total length and weight, categorized based on…
A: For one group, a paired t-test is used to compare the group mean over time or after an intervention,…
Q: Why is it necessary to test for endotoxin in water used forinjectable drug preparations?
A: The microbial toxins are poisonous substances generated by microbes such as fungi and bacteria to…
Q: We will be using a variety of media/tests to identify the unknown organisms. In the table below…
A: In microbiology, various tests are involved, which helps in the identification of the bacteria,…
Q: Which of the following vaccine types uses live but weakened pathogen to achieve vaccination?
A: Vaccines contain attenuated pathogens or killed pathogen or inactivated pathogen. Vaccines provides…
Q: Cite some important precautions in making blood smears. Give its rationale
A: The question is asking that what all precautions we have to take during blood smear preparation with…
Q: he bacteria which is novobiocin resistant is
A: The Novobiocin test is used to distinguish coagulase-negative staphylococci and to identify…
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: if the average weight of content is 275 mg, Calculate the permissible limit (first) and the…
A: Average weight of the Content is specified as 275 mg. If there is a batch of 20 capsules, then the…
Q: Explain the principle and step by step procedure of Dry Blood Spots collection
A: Blood sampling Venous blood sample is usually preferred for routine laboratory test. Arterial blood…
Q: List the reasons for using blood agar.
A: Answer: Introduction: Blood agar is a very nutritious medium usually utilized as a basal medium for…
Q: state the significance of heterophile antibodies in serological testing
A: -Heterophile antibodies are the immunoglobulin-M or Ig M produced by the infected B -lymphocytes.…
List at least 10 laboratory tests that use whole blood as a test sample.
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Solved in 2 steps
- List at least three different tests that fall in the direct identification category.The VP test is a confirmatory test. In what situations would this test be utilized?The best medium for using antibiotic susceptibility testing is _________________, the reason why this medium is preferred is ________________.