Why is the AFB stain so important when diagnosing leprosy?

Q: Between Bacillus megaterium, Bacillus sphaericus, and Bacillus subtilis, which are positve for…

A: MSA or Mannitol Salt Agar is a differential and selective medium that encourages the growth of some…

Q: Why does treatment of human skin with alcohol not create a completely sterile environment?

A: Sterilization is the process of getting rid of all the germs on the surface of the object and makes…

Q: Why and How is brick weathe resistant?

A: Bricks likewise score high corresponding to the climate, as they are made from natural materials…

Q: Does the Gram stain provide information regarding a bacterium's susceptibility to antimicrobial…

A: The Gram stain is performed for the determination and classification of the bacteria. In Gram…

Q: How did Georg Gaffky cultured Salmonella Typhi?

A: Salmonella enterica is a kind of bacteria. Typhoid fever is caused by a gram-negative bacteria…

Q: What is the etiologicalagent of cutaneousleishmaniasis? How is thedisease transmitted and whatare…

A: Cutaneous leishmaniasis is a form of disease that originates on the skin due to a protozoan of the…

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: why is Trypanosoma harmful?

A: Trypanosoma belongs to phylum Euglenozoa and class kinetoplastea. Its genus is Trypanosoma. They are…

Q: Why do you think the slow growth rate of M. leprae makes leprosy treatment more difficult?

A: Leprosy (or Hansen’s disease) is caused by the infectious bacteria Mycobacterium leprae. The disease…

Q: Does Micrococcus luteus produce lipase?

A: Lipase is a bio-catalyst which has promising use in industries. In the body lipase is produced by…

Q: Why do only certain strains of Staphylococcus aureus cause scalded skin syndrome?

A: Gram-positive bacteria, belonging to the Staphylococcus genus are pathogens of humans as well as…

Q: Is Endospores stain test a efficient test for unknown intestinal bacteria?

A: Staining provides valuable information as to bacterial morphology, gram reaction, and presence of…

Q: how can we detect alcers before it gets to stomach cancer with Helicobacter bacteria and are there…

A: Helicobacter bacteria (Helicobacter pylori) is a gram negative, spiral and microaerophilic (oxygen…

Q: Which of the following is not applicable to Listeria monocytogenes, or to the disease it causes,…

A: Answer:  Listeria monocytogenes are the gram positive bacteria which are mainly responsible for the…

Q: Why is the skin not always a favorable microenvironment for colonization by bacteria?

A: Bacteria  can be defined as the single-cell organisms that are neither plants nor animals.

Q: morphology and stain reaction of Toxoplasma gondii

A: Introduction Parasites are the organisms that live on another organism called a "host" for…

Q: I Why does't a negative stain colorize the cells in the smear?

A: Staining is a technique which is used for enhancement of contrast in samples mostly at the level of…

Q: Agar- agar is obtained from --------a) Ulothrixb) Spirogyrac) Gracillariad) Nostoc

A: Answer is c.) Gracillaria.

Q: In order to view Treponema pallidum, the causative agent of syphilis, under the microscope, you can…

A: In test we are detecting a bacteria under microscope (fluorescence microscope) and the tag are uses…

Q: Explain the meanings of the acronyms MRSA, VRE, MRSE, DRSP,VRSA, and VISA.

A: Staphylococcus aureus is a Gram-positive, round-shaped bacterium that is a member of the Firmicutes.…

Q: Explain why the media where the Staphylococcus aureus is plated has turned yellow but the media…

A: Mannitol Salt Agar (MSA) is a differential and selective medium. A member of the staphylococcus…

Q: Is the pH level of bleach higher, lower, or the same as H. influenzae, S. aureus and S. pneumoniae?

A: Bleach is an alkaline solution made of sodium hypochlorite (NaClO) that is used in both the domestic…

Q: Name the types of Rashes (5 types) and give examples of each.

A: A rash is occurrence of skin lesion.It is a broad medical term and it can vary in appearence.A rash…

Q: What is pancytopenia? How would this present in a set of laboratory values?

A: Introduction:-  Blood has three main cells present in it named as red blood cells , white blood…

Q: What is Saccharomyces cerevisiae used ?

A: Saccharomyces cerevisiae is a yeast species and is isolated from the grapes skin. It is a widely…

Q: When is the best time for preparing smear for malaria?

A: Specimens should be collected before treatment is initiated. When malaria and babesiosis are…

Q: Aside from Giemsa, what other stains could be used in staining blood for blood parasites? What is…

A: Giemsa staining method is widely uses for staining blood for blood parasites.

Q: Is it possible to perform hand hygiene even while wearing gloves? What is the reason for this or why…

A: Hygiene: Hygiene is a set of practises used to keep one's health in good shape. Hygiene, according…

Q: Is there a relationship between Gram staining and sensitivity to various antibacterial compounds?…

A: Gram staining is a method to identify whether a bacteria is gram positive or gram negative based on…

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 Gram Stain reaction for Enterococcus Faecalis and Proteus mirabilis?

A:

Q: Briefly explain how Salmonella typhi can be isolated and identified from raw milk

A: Salmonellae are known to occur in raw milk, however the recurrence and level are obscure.…

Q: What stain is used for mycobacterium?

A: The staining is very important process for observing an organism under microscope. The staining of…

Q: How does Salmonella typhimurium avoid being killed by phagocytes.

A: Salmonella manipulates inflammatory pathways and the autophagy process.  Salmonella evades the…

Q: What advantages does alcohol have over hand soap for antisepsis of the skin?

A: Antiseptics are the chemical substances that inhibit the growth or kill the microbes that reside on…

Q: Explain the distinctions between an emulsification droplet,a micelle, and a chylomicron

A: Lipids can be defined as organic substance that are moderately insoluble in water but soluble in…

Q: Is Saccharomyces boulardii safe?

A: Saccharomyces boulardii is a tropical species of yeast first isolated from lychee and mangosteen…

Q: List several differences between lepromatous and tuberculoidleprosy.

A: Infectious diseases are illnesses which are caused by organisms such as viruses, bacteria,…

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: Is staphylococcus epidermis an enteric pathogen?

A: Enteric pathogens are the pathogens of the intestines. These are usually bacteria.

Q: It is expected that amoxicillin would be more effective against Gram-positive bacteria.  Explain…

A: Amoxicillin is a beta-lactam antibiotic that functions by attaching itself to the membrane proteins…

Q: How is the Gram stain used clinically to help identify the cause of an infection?

A: Gram stain or sometimes "Gram staining", likewise called Gram's method, is a technique for staining…

Q: Why can't gram staining be used for mycobacterium?

A: Gram staining is one of the staining techniques. This is usually used for differentiating between…

Q: What staining is used in Mycobacterium pneumonia?

A: Staining is the technique used to  enhance contrast in samples, generally at the microscopic levels.…

Q: What do you think the best method to detect Toxoplasma infection ?? Write the short introduction and…

A: It is a disease that occurs by eating uncooked contaminated meat, exposure from infected cat feces…

Q: how is gram staining useful in differentiating neisseria meningitidis, streptococcus pneumoniae, and…

A: Hi, Thanks For Your Question.  Answer : Gram staining helps in differentiation of various bacteria…

Q: Which streptococci are implicated in the development of dental caries? What is the mechanism of…

A: Dental caries is also known as tooth decay. Caries cause the hole in a tooth and called as a cavity.…