A. Explain how the Snyder agar medium is both a selective and a differential medium. B. How is the differential nature of the medium used to detect susceptibility to dental caries?
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E1.
A. Explain how the Snyder agar medium is both a selective and a differential medium.
B. How is the differential nature of the medium used to detect susceptibility to dental caries?
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- . Would the presence of growth on the "throat" blood agar plate indicate a case of strep throat? Explain.Explain the significance of the Snyder agar medium and its differential nature as a means to detect dental caries.NOTE: Kindly provide references. 1. Differentiate between defined and undefined culture media. 2. Define alpha, beta, and gamma-hemolytic reactions on blood agar media (BAM). Cite two (2) examples of bacteria causing the above hemolytic reactions.
- Define the following terms; streak plate method, and selective media. State the purpose and importance of both.A) Draw and label the set-up of Manual paraffin wax infiltration. B) Answer the following questions:1. Differentiate the 3 types of tissue Impregnation in terms of: 2. Impregnation Techniques Advantages Disadvantages A. Paraffin Infiltration B.Celloidin Infiltration C.Gelatin Impregnation C) What is the required volume of embedding medium for routine tissue processing? D) What is Plastic embedding? What is Double embedding?a. Name four categories that blood agar fits.b. Name four differential reactions that TSIA shows.c. Observe figure 2 . Suggest what causes the difference in growthpattern between nonmotile and motile bacteria. d.Explain what a medium that is both selective and differential does,using figure1 .
- 1.) Why is boiling water not a recommended sterilization method? 2.) List examples of transfusion-transmitted infections. How are these infections prevented?List examples of skin microbes and the types of media used to grow and isolate the microbes. Explain the difference between selective and differential media.1. Describe the three different type of hemolysis that are observed on blood agar.2. What is a selective medium?3. What is a differential medium?4. Which media can be used to isolate E. coli samples from contaminated lettuce?5. Which two media would be used to identify a sample taken from a patient with suspected gonorrhea?6. Would you be able to grow a sample obtained from a patient's wound (suspected to be infected with MRSA) on EMB? Explain.7. What is the color or TSI for Salmonella?8. What is a fastidious organism?
- On Aseptic Techniques: What is/are the instances/situations that each method of inoculation is to be used?Write a short description on ALL of the following: a) The application of turbidostat against chemostat b) The need of using cell immobilisation over free cell systemList the reasons for using blood agar.