A patient has subcutaneous nfection and the specimen is submitted on a swab . Explain why this is an unacceptable collection method . How shoul he sample be collected ?

Q: How does cotton plug prevent contamination of the medium? [Answer in not more than 2 sentences

A: Cotton plugs are used in various experiments as lids to cover the  mouth of the flask. It is usually…

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: The physician who treats your puncture wound opts to insert a drainbefore applying the dressing.…

A: There are four types of cells/Tissues involved in this tissue repair mechanism:- 1) STEM CELLS- They…

Q: Would it be proper to say that a patient has been disinfected? Why orwhy not?

A: The chemical treatment is the process in which disinfecting compounds like chlorine is added to kill…

Q: An inoculating loop or needle is sterilized using heata. by one brief passage.b. for exactly 5…

A: Microorganisms or microbes are small living organisms that can be observed with the aid of…

Q: Difference between streak plate method and serial dilution

A: Ans: Streak plate method- It is a technique used mainly to isolate pure culture of bacteria from…

Q: For post mortem stain to occur ______must happen. A. Coagulation B. Hemolysis C. refridgeration…

A: For post mortem stain to occur pH shift to alkaline   must happen.

Q: In cases in which it is not possible to culture or drug-test aninfectious agent (such as middle ear…

A: In certain cases, such as middle ear infection, it may not be possible to identify the infectious…

Q: if the organism.is an animal which of the following test would be positive a cellular respiration…

A: The test that is positive for an organism if it is an animal are shown below:

Q: Why was a blood agar, rather than a nutrient agar, plate used for the culture from your mouth?

A: Cultured bacteria are any bacteria that grow in the lab by the microbiologist using the required or…

Q: What steps can a phlebotomist take to minimize contamination of drawnblood that is going to be used…

A: Phlebotomy deals with surgical punctures on veins. Specialists in the field of phlebotomy are known…

Q: In product testing, microbial growth is found.| Interpretation:  Rationale:

A: Microbiology is the branch of biology that deals with study of organisms that are too small to be…

Q: Microbiology

A: Gram staining is a technique which is used to identify the bacterial cell type, whether it is gram…

Q: Match the test with a positive result  a. DNA test  b. Paper chromatography test c. Celllar…

A: Genetic material is nothing but the sequence of nucleic acids which is called as DNA. It contains…

Q: What pathogenic agent undergoes the Sigmoidoscopy Material procedure?

A: The sigmaidoscopy procedure test uses a thin flexible tube with a camera and light on one end. The…

Q: In a tabular form, sufficiently list all unacceptable smears and their causes.

A: Examination of blood film or smear  is very essential to rule out the certain diseases/ conditions…

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: 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: What do to do when the disstillation did not make the sample completely pure? What could have went…

A: Distillation is a process that is based upon the boiling points of various liquids present in the…

Q: Is it important to have a standardized way of counting and reporting AFB seen on a direct sputum…

A: Acid-Fast Bacilli (AFB) is a bacterial species that causes tuberculosis in humans and testing of…

Q: A medical technician has recieved a tissue sample from the stool of a patient. The doctor believes…

A: A Gram stain is a test that checks for bacteria at the site of a suspected infection or in certain…

Q: You are provided with a mixed culture of Escherichia coli and Pseudomonas aeruginosa, draw a flow…

A: Escherichia coli and Pseudomonas aeruginosa both are gram negative bacteria that can cause severe…

Q: a specimen from an infected wound has been submitted to the clinical laboratory. explain in detail…

A: Viruses, bacteria, fungus, protozoa, and helminths are the five types of disease-causing agents…

Q: What are the possible sources of contamination that may result during the streak plate procedure?

A: The streak plate procedure is used to isolate microbial colonies in pure form. During the procedure,…

Q: Since it is very rare for any direct patient sample to be axenic, what could you do to get to an…

A: A "microbe" is a living entity that is so tiny that it cannot be seen with the naked eye.…

Q: What are the principle and basic concepts of SMEAR PREPARATION? (please explain it thoroughly in a…

A: Introduction A smear is a small amount of culture spread in a very thin film on the surface of the…

Q: In case you forgot to identify and label the specimen, this can be easily troubleshooted since body…

A:

Q: Describe the procedure and purpose for making streak plate.

A: Streak plates involves the streaking of the inoculum over the surface of the agar resulting in its…

Q: What is the significance of reporting the color and consistency of a stool specimen

A: Stool is the undigested portion of food intaken.It consists of waste products that are eliminated…

Q: Modified Acid-Fast Staining used for O stool blood O bon O tooth

A: Introduction Histology is the study of the microanatomy of cells, tissues, and organs as seen…

Q: Considering microbial identification methods, to which category would the following method belong…

A: There are different types of microbial identification methods, Immunological-Serological analysis,…

Q: Equipment or materials used in immobilizing and separating cells of streak, pour and spread method.

A: Answer :- We need to understand one by one are as follow :-  * Equipment or materials used in…

Q: Why is it necessary to make a skin puncture to a depth of 3mm?

A: Phlebotomy refers to the process of puncturing the vein with a cannula to collect blood. Blood…

Q: Why is it important to use the correct/proper dissecting tools?

A: The Use of correct / proper dissecting tools is important for a particular dssecting procedure…

Q: Which of the following specimen should not be refrigeraed ? Explain why ?  A . Urine  B .…

A: Most clinical material can be held for several hours in a refrigerator before culturing if it cannot…

Q: if there are features of the gram stain that are not as expected what possible sources or error may…

A: Gram staining is a general technique that is used to differentiate two larger groups of bacteria…

Q: Why should the specimen be albumin free when performing the chloride test for urine?

A: Urine specimen should be free from albumin when performing the chloride test due to the following…

Q: discuss the microscopy technique that gives the best contrast of nonbiological samples

A: Microscope is used those objects which are not visible under naked eye it is able to view the finer…

Q: Good blood film should not cover the entire surface of slide and have .waves and holes

A: Blood is the most essential body fluid in some animals and humans which is involved in delivering…

Q: Why are tissue specimen stained before viewing them using a micrscope?

A: If tissue and cells are observed under the microscope, then it would be very difficult to analyze…

Q: Why should freshly collected samples be used for microscopic examination?

A: The benefit of the microscope is that it produces a better resolution than the naked eye. The higher…

Q: Should you sample an area for microbial growth before or after sanitization? Eplain why.

A: Sanitization is basically the instrumental process in which the microbes are usually killed by…

Q: Describe the use of microscopy to identify microorganisms in patient specimens

A: A microorganism, often known as a microbe, is a minute living entity. Microbiology is the study of…

Q: You are reading culture plates today and identifying pathogens that grow from patient samples. Which…

A: The culture plates for growing microbes hold importance in understanding and examining the…

Q: Alcohol hand sanitizers may be used instead of washing with soap and water in all cases except if…

A: Hand sanitizers made with alcohol should include at least 60% ethyl alcohol or isopropyl alcohol.…

Q: What is the physical appearance (solid, liquid, semi-solid) of following media:Agar deep tube

A: Bacterial culture media is a kind of growth media in which the required bacteria is  cultured. The…

Q: TRUE OR FALSE Coconut oil will give (positive) result to Molisch test.

A: Molisch test is used to detect presence of carbohydrate in a mixture or sample. This test is based…

Q: cold method of Acid-fast staining.

A: