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- Question 5 Match the description to the correct medium This medium is enrichment for fastidious [ Choose ] bacterial pathogens and differential based on hemolysis [Choose ] Sabouraud Dextrose Agar, "Sab" agar This medium is selective based on salt/sodium chloride tolerance at 7.5 % Mannitol Salt Agar, "MSA" weight/volume and differential based on mannitol fermentation MacConkey Agar, "Mac" agar Blood Agar, "BA" This medium is selective based on the ability EMB Eosin Methylene Blue Agar to grow in bile salts and crystal violet and is differetial based on lactose fermentation Tryptic Soy Agar, TSA this medium is all purpose and can grow a wide range of bacteria and fungi [ Choose ] Question 6 Below is an image of 3 different bacteria, letter labeld, growing on MacConkey Note that hrQuestion 22 A student is asked to identify which pathogen is causing a patient infection. The student conducts a Gram stain and determines th= organism does not staining very well. Assuming the organism produces mycolic acid, an Acid fast stain is performed and the studen determines that the organism is Acid fast positive. Which pathogen does this describe? O Clostridium botulinum O Prion O Haemophilus influenza O Mycobacterium tuberculosis Question 23 A patient has an infection caused by a bacterial species that produces toxins that are capable of breaking down DNA and dissolving hvaluronicacid. Which disease does this nerson have?. 12 esc 吕0 FI II F7 F9 F10 F12Question 12 (1 point) Listen You are working in the lab with Streptococcus pyogenes and two other bacteria. You streak all three of these microbes onto a Blood Agar plate and observe the following: All of the bacteria grow on the plate but there is a large zone of clearing around S. pyogenes, and no zone of clearing on the other two bacteria. Based on these results what type of Medium is Blood Agar? O A) Blood agar is a culture medium. B) Blood Agar is a selective medium. C) Blood agar is a differential medium. O D) Blood agar is an exclusion medium. O E) Blood agar is a counting medium. 98% 99+
- Question 2 A spreader was used to 1. to uniformly disperse bacteria across the surface of the agar 2. to transfer bacteria from the test tube to the agar plate 3. to simulate mutations for antibiotic resistance 4. to disperse the antibioticQuestion 16 Phenyl Ethyl Alcohol agar encourages the growth of what type of microorganisms? Gram positive bacteria O Fungi Gram negative bacteria O AlgaeI need more explanation on this question and especially standard notation
- QUESTION 50 When a beam of light passes through or exits the solution, the light that emerges from the liquid is called the light. O ultraviolet absorbed transmitted Incandescent incident QUESTION 51 As magnification increases, the area of the object being viewed in the microscope: decreases. stays the same. increases.Options based asapQuestion 18 For each of the following description, determine whether it describes a Compound or Dissecting Microscope. 1. Has multiple objective lenses I Select ) 2. Allows you to view a sample in 3 dimensions ISelect) 3. Has less magnification ability Select ] 4. Often has lighting from above and below I Select] 5. Typically has two focus adjustment knobs I Select ) >
- Question 15 While viewing a slide under the microscope, I can use 100 x lens directly. O True O FalseQUESTION 12 Although this organism is a normal resident of the skin microbiota, it can cause infections post-surgery, particularly with medical device implants. O Staphylococcus epidermidis O Escherichia coliQuestion 4 TRUE (T) or FALSE (F). Explain with a short statement. DSLB is an enrichment medium Edit View Insert Format Tools Table 12pt v Paragraph v