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

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: What is the usual stain used for staining a sputum smear?

A: Essentially, sputum comprises of a combination of saliva and mucus. additionally named as phlegm, It…

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: Lid of petri dish was left on bench top for a few minutes after pouring of sterile medium. Effect:…

A: Microbiology is the study of microorganisms that are invisible to the naked eye. The microorganisms…

Q: Identify the method of sterilization/ chemical agent described At 15psi, the temperature reaches…

A: Given information: At 15psi, the temperature reaches 121 degree Celsius requiring only 15 to 20…

Q: Why is direct fecal smear a routine procedure in the parasitology section?

A: A faecal smear is a stool specimen that is tested in a laboratory.

Q: In the preparation of a bacterial smear, why is there a need to fix the bacteria to the slide? Aside…

A: Several laboratory techniques necessitate smear preparation. A smear can be made using either broth…

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: 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: ersonal flotation devices should always be used when

A: Personal floatation devices are life belt life jacket,life preserver,buoyancy aids etc.

Q: Why is it important for a microbiology laboratory technician to use aseptic technique?

A: The majority of the microbes onto which scientists work in laboratories are known pathogens.

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: Why is there a need to use a staining agent in observing the specimen?

A: Staining agent:          The things that owes-out stains were recognized as staining agent,…

Q: Why is it necessary to flame the top of the bottle before pouring the plate?

A: Aseptic techniques are used to prevent contamination from pathogens. These are used in clinics and…

Q: Unwashed hand Hand wet with alcoholfor 10sec. Handwashing using hand soap for 20 sec

A: Standard laboratory practices are followed to prevent exposure to bacterial cultures.

Q: m depth in d

A: Duke’s bleeding time test can be defined as 3-4mm deep pricking of the skin through a lancet or…

Q: What is the significance of heat fixing the smear?

A: Gram staining is a common laboratory technique in microbiology that is used to differentiate…

Q: How can I tell if there is contamination?

A: RFLP is a type of DNA polymorphism that has DNA sequence variations that can be recognized by…

Q: When doing capillary puncture, why should we avoid puncturing parallel to the grooves of…

A: Capillary puncture is done to collect small amounts of blood which can be used for blood sugar level…

Q: Create paragraphs to differentiate among the following terms: positive stain, negative stain, simple…

A: An organic molecule with a benzene ring, a chromophore, and an auxochrome group is known as a…

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: g technique, and what is the target organisms and the purpose of its application? LONG ANSWER…

A: The bacterial staining can be simple as well as differentiated. It is studied under the domain of…

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: Step-by-step smear preparation of Ziehl-Neelsen

A: The acid-fast bacteria have a lipoidal mycolic acid in the cell wall. Ziehl-Neelsen staining is a…

Q: Why is there a need to use acids and boil the sample in maceration?

A: Maceration is a common method of obtaining medicinal plants, it is an extraction process in which…

Q: What is the difference between a Hemin test and a Benzidine test?

A: Hemoglobin is a blood protein that is responsible for oxygen transport in the tissues. Hemoglobin…

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: Immediately after stirring 1 hour after stiring Original misture Suction filiration Figure 1 Figure…

A: Mixtures are defined as materials containing 2 or more chemical substances mixed together. In case…

Q: Please state the step-by-step procedure of SMEAR PREPARATION? (please explain it thoroughly in a…

A: The preparation of a smear is required for various lab procedures, including the Gram-stain. The…

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: Is this a successful streak plate? What mistake do you think was made in the image? Thank you.

A: Answer. No, this not a successful streak plate.  From the picture above it seems that you want to do…

Q: For preparation of a smear on a slide, what is the purpose of heat fixation? What problems can arise…

A: The preparing a slide that has to be observed under a microscope there are multiple steps that are…

Q: How common is the flotation technique being done in the Philippines?

A: Keeping in the eye the increase in a number of gastrointestinal infections, the best solution that…

Q: Why are specimens for bilirubin testing protected from light? Discuss handling procedures for…

A: Bilirubin is a yellow pigment that is present in bile. It is formed as a result of breakdown of red…

Q: Why is it necessary to perform a plate count in conjunction with the turbidimetry procedure?

A: Plate counting is one of the most fundamental techniques used in microbiology. It is used to…

Q: Fingerprints on porous surfaces are best developed with___________ treatment.

A: In crime scene, fingerprints can be categorised into three types, Latent fingerprints Plastic…

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: Why do you have to dehemoglobinize the thick smear

A: Given: Identify why to dehemoglobinize the thick smear. The thick smear is a layer of…

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: Laboratory report about Thiols procedure, result & observation, conclusion(tabular)

A: Functional groups are a group of atoms within organic molecules carbon backbone. They have their own…

Q: Step-by-step smear preparation of Kinyoun Method

A: Kinyoun, is a process used to stain acid-fast species of the bacterial genus Mycobacterium. it is a…

Q: Benefits of UV light sanitizer spray gun

A: Spray gun can be of two types. First type of spray gun that spray out wet mist while the second type…

Q: Can you identify 3 more chemical tests?

A: Proteins are the fundamental biomolecules, consisting of at least one long chain of amino acid…

Q: A patient has subcutaneous nfection and the specimen is submitted on a swab . Explain why this is an…

A: Several biological tests involves testing of the the samples from the infected individuals body.…

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: Is the ant test the same as the odor test in the physical examination of urine?

A: Kidneys are the main organs of the urinary system. The nitrogenous waste is usually excreted in the…

Q: which kind of sample gives positive result for Molish test?

A: It is a chemical test which is named after the botanist Hans Molisch.  This test involves the…

Q: why is it important that you disinfect your work area both before and after working with bacteria?

A: Bacteria are present everywhere in each and every corner,present on non-living surfaces and as well…

Q: cold method of Acid-fast staining.

A:

Q: What is the purpose of using the streak plate method?

A: Solution-  Introduction -  Streak plate technique is used  for the isolation into a pure culture of…

Microbial Growth

The development of microbial growth is influenced by various natural conditions (both physical and synthetic) like pH, temperature, saltiness, gas focus (O2, CO2, and H2), nutrients, water action, and assimilation. Knowing the distinctive physical and chemical factors that influence the development and endurance of microbial growth in the climate will assist with reinforcing endeavors outfitted towards their control. These lines lessen or diminish their harmful impacts on humankind, creatures, and the climate.