The physician who treats your puncture wound opts to insert a drainbefore applying the dressing. What is the rationale for the insertionof the drain?

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: 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: ВАСТERICIDAL LAMPS 1. орen type (unshielded) неэкранированные 2. closed type, shielded 3. shielded ,…

A: There are general important points : We know that through UV -C that occurs naturally in sunlight…

Q: In your own words, Explain the basic rules in applying the dressing and the bandaging

A: DRESSING and BANDAGING:    this is done to cover the wound from contamination and stop bleeding .…

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: ersonal flotation devices should always be used when

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

Q: The analysis of urea in the urine sample is what type of analysis? O Complete analysis O Proximate…

A: Proximate analysis is a quantitative analysis in which the characteristics of macromolecules in…

Q: ILLUSTRATIONS: 1. Sterilizers seen in the laboratory and their parts.

A: 4 main methods of sterilizarion - physical methods Radiation method Ultrasonic method Chemical…

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: 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: 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: ON THE WATER-CONDUCTING STATION, COAGULANT IS USED FOR water disinfection 2. desalination 3.…

A: Water treatment is the process of enhancing the quality of water so that it can be used for a…

Q: Which of the following are proper disinfection steps? Check all the O Remove organic matter O…

A: Introduction: Disinfection is substances that are applied to non-living objects to destroy…

Q: Why are infections that involve biofilms a concern?

A: The infections inside the human body are usually caused by the invasion of fungi, bacteria , viruses…

Q: Why are the tubes sealed with a rubber stopper rather than left open to the atmosphere?

A: A rubber stopper is used to seal the tube opening as well as other laboratory glassware such as…

Q: Which microscopy technique is BEST at determining the presence of physical microbial interaction(s)?…

A: Microbial interactions occur when the transference of molecular and genetic information takes place.…

Q: What do you mean by the electroporation technique?

A: In microbiology and biotechnology, the new coding DNA is introduced to transform bacteria, yeast,…

Q: When collecting soiled laundry from a resident's room you should?

A: Laundry collection comes under infection control.

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: What force was responsible for the movement of substances through the filter paper?

A: Filter paper is made up of cellulose and thus functions as permeable membrane and movement of…

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: tenry filled two jars with the same volume of water as shown in the picture. He placed a lid on J…

A: The experiments are conducted to understand biological and scientific phenomena that take place…

Q: n not more than 7 sentences, discuss briefly the techniques used in microscopic examination of…

A: Human feces is also called as Stool. It is the waste residue of indigestible materials that are…

Q: Can culture media be sterilized in the hot air sterilizer? Why or why not? (Answer in not more than…

A: Sterilization is defined as a process by which an agent is used to destroy or remove the…

Q: Tell me how dis you prepared the gel if the tray is 150 ml

A: Gel electrophoresis is a standard molecular biology procedure used for the separation of DNA by…

Q: Idenitfy the statements whether they are TRUE or FALSE 1. You should use P-20 micropipettes to…

A: INTRODUCTION Spread plate : A liquid broth of bacteria is spreaded on a solid agar suface so that…

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: types of condensers are

A: The function of a Condenser in the microscope is to collect the light from light source and…

Q: procedure/s in performing aseptic transfer of bacterial cultures in (include illustration) (1)…

A: Aseptic technique is most commonly used in microbiology and biotechnology lab. It refers to the…

Q: (a) What two adjustments can be made to the condenser? (b) What effect do these adjustments have on…

A: Microscopes are optical instruments that use lenses to magnify an object. They help to observe…

Q: Which other types of irradiation are deadly to microorganisms

A: INTRODUCTION Microorganisms or microbes are microscopic organisms that exist as unicellular,…

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: 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: OCULAR ОBJECTIVE TOTAL MAGNIFICATION 10x 1. 100x 10х 2. 400x 10х 100x 3. 10x 5x 4.

A: A microscope is an instrument which is generally used in laboratory to examine objects that are so…

Q: Why do you think it is important to refrigerate a urine sample if an analysis cannot be performed…

A: Glucose (sugar) in the urine will continue to be used by any bacteria or cells found in a urine…

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: SPECIAL METHOD OF WATER TREATMENT AT THE WATER-WIRED STATION 1. boiling 2. softening 3. ozonation 4.…

A: The specialized water treatment usually includes various types of methods such as physical method…

Q: With regard to studying the mechanism of conjugation,what is the purpose of using a U-tube?

A: Plasmids are the two circular chromosomes of bacteria that are exchanged during the conjugation…

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: Gram straining procedure. Indicate the following information A. Shape........ B. Stained color…

A: On the basis of gram staining, we can differentiate between two types of bacteria, one with thick…

Q: Why should you use and handle laboratory instruments and equipment according to specified usage?

A: Scientific equipment and laboratory instruments allow students to get a real-time learning…

Q: Introduction for the stab slant and surface inoculation.

A: Slant culture one made on the outside of solidified medium in a tube which has been shifted to give…

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: 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: g so imp

A: Carbolisation can be defined as the process of disinfection of operating room as a part of…

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: Hello, good day. I have a problem answering this question, and I need your help. Hoping for a…

A: Microbes, which are tiny and nearly invisible, have had a huge influence on society since the…