о5. Describe the cell wall, morphology and metabolism of the bacteria characterized by thefollowing experimental results:a. Gram stain: round and purple bacteriab. Blood agar plates: gamma hemolysisc. Catalase test: no bubbles are observedd. Oxidase test: a blue test strip result is observed

Step 1:1.Gram Stain: The Gram stain is a differential staining technique used to classify bacteria…

Answered: о 5. Describe the cell wall, morphology…

Microbiology for Surgical Technologists (MindTap Course List)

2nd Edition

ISBN:9781111306663

Author:Margaret Rodriguez, Paul Price

Publisher:Margaret Rodriguez, Paul Price

Chapter4: The Prokaryotes

Section: Chapter Questions

Problem 1UTM: A surgical technologist working in the Central Sterile Processing Department is asked to run the...

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I. Match the bacterium being described in column X with its best classification found in column Y. Choose the best answer. Column X1. Staphylococcus aureus can be grown on mannitol salt agar that contains 7.5% NaCl. The bacterium is________. 2. Lactobacillus acidophilus grows best at pH 4.5. It is considered a(n) ________. Column Y A. acidophile B. alkalophile C. barophile 3. A bacterium that thrives in the Great Salt Lake but not in fresh water is probably a ________.4. Bacteria isolated from the bottom of the ocean need high atmospheric pressures to survive. They are________.5. A bacterium that thrives in a soda lake where the average pH is 10.5 can be classified as a(n) ________. D. halotolerant E. halophile
Based on the table is the bacteria Staphylococci harmful to humans?
Answer the following questions: 1. Define a bacterial colony. 2. What is the difference between macroscopic and microscopic appearance of bacteria? 3. State the three standard terms used to describe single colonies on agar plates. 4. State and define the three types of growth that may be seen in a broth culture. 5. State three basic shapes of bacteria. 6. State and describe the different arrangements of cocci. 7. What is the difference between true motility and Brownian motion?
INSTRUCTIONS: Read each sentence carefully Encircle the biological techniques that are being described. 1. Itis also known as sterile technique. Aseptic technique Disinfection Answer: 2. It is described as the complete removal of microorganisms found in a specimen or sample. sterilization Disinfection Answer: 3. It is described as the elimination of pathogens that reduce the microbial contamination. sterilization Disinfection Answer: 4. This is described as the elimination of life processes in a specimen. Killing Fixation Answer: 5. Clearing is also known as Dehydration Dealcoholization Answer:
Medically Significant Bacteria: Causative Agent and Disease Profile ITEM IMPORTANCE OF BACTERIA PROFILE BACTERIAL PROFILE I MICROORGANISM/CAUSATIVE AGENT A GRAM REACTION B OXYGEN REQUIREMENT C SIZE D SHAPE E HABITAT F DISCOVERY G MICROSCOPIC IMAGE II DISEASE PROFILE A DISEASE/S B SYMPTOMS OF THE DISEASE C INCUBATION PERIOD D MODE OF TRANSMISSION E DIAGNOSIS F TREATMENT G PREVENTION H NO OF DAYS BEING SYMPTOMATIC I IMAGE OF INFECTED PATIENT GENERAL INSTRUCTIONS: Using the template provided above, fill out the information for a bacteria. YOU CAN CHOOSE ANY BACTERIA from 1-60 BELOW: List of medically significant bacteria Aerobic Gram (+) Cocci S. epidermidis S. saprophyticus Streptococcus pyogenes Streptococcus agalactiae Enterococcus(E. faecalis, E.…
Describe the bacteria staphylococci based on the table attached
1. What is the purpose of adding mineral oil to an O/F Media tube and why do we only put mineral oil in only one? 2. Which sugars are typically tested in the phenol red broth? Can the phenol red test be also used to determine if a certain bacterium can metabolize various carbohydrates? 3. Explain how conducting the MR/VP test too soon in a culture's growth cycle can lead to false negatives? 4. Generally, the color change we see in these tests is a result of what change in the media? Explain. 5. How does the production of urease acid aid Helicabactor. pylori ability to live in the stomach?
A 1.5-year-old child developed vomiting, diarrhea, and fever. Stool sample were inoculated into the Endo media. After 18 hours on the surface of the medium grew medium-sized, round, slightly convex red colonies with a metallic luster. The doctor suspected Escherichia coli. 1. Name the composition of the Endo agar media. 2. Describe the properties of bacterial colonies on the Endo media. 3. What purpose differential diagnostic Endo media used for?
answer the following questions with book reference. 1. What is meant by a bacterial “colony” or colony-forming unit? 2. Why are colonies that develop on a heavily seeded plate smaller than those that appear on a sparely seeded plate? 3. What are some of the uses and advantages of the ff.:a. Agar plateb. Agar slantc. Broth culture 4. What are the advantages and limitations of studying bacteria by means of the Culture method? 5. Why is it desirable that most cultures be inspected after 15 to 18 hours of incubation? 6. Why should culture media after inoculation be incubated at an optimal temperature immediately? 7. Describe other types of aerobic jars and anaerobic methods.
1. What color does an acid-fast cell stain? 2. Identify two diseases that are caused by acid-fast bacteria. 3. In the endospore stain, what color do the endospores stain? 4. If you performed an endospore stain on Mycobacterium, what color cells would you expect tosee? Why? 5. How do capsules contribute to virulence of an organism? 6. Since you know what lophotrichous and amphitrichous arrangements look like, put thoseterms together to draw an amphilophotrichous bacterium. 7. Streptococcus pneumoniae that are capable of causing pneumonia are encapsulated bacteria(meaning they have a capsule). Describe what you would expect to see under themicroscope after performing a capsule stain with india ink and safranin.
1. The colonies on a negative MSA plate would appear _____________. 2. "E. Coli and S. epidermidis were chosen to represent Gram-negative and Gram-positive bacteria, respectively. For a given antibiotic, is there a difference in susceptibility between the Gram-positive and Gram-negative bacteria?" "No, they are usually similar" "yes, drugs that target the cell membrane are more effective on gram negatives" "yes, drugs that target the cell wall are more effective on gram negatives" "yes, drugs that target the cell wall are more effective on gram positives" how can I tell the difference
6. Answer the following questions about colony forming units. a. b. You take a culture of bacteria and dilute it 5 times. Each dilution uses 1 ml of culture and 9 ml of saline solution. You take .1ml from the most dilute tube and plate it on a TSA plate. The next day you count 61 colonies. What was the original concentration a) 6.1 X 105 CFU/ml b) 6.1 X 105 CFU/ml c) 6.1 X 108 CFU/ml d) 6.1 X 107 CFU/ml You are doing a series of serial dilutions to find the concentration of bacteria in CFU/ml in a culture. You plate several of the dilutions tubes and count the colonies the next day. On plate A you find over 1000 colonies, plate B you find 157 colonies and plate C you find 7 colonies. Which plate(s) can be used to determine the concentration in the original tube? a) Plate A Ob) None of the plates can be used c) Plate C d) Plate B e) Plates A, B and C

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о 5. Describe the cell wall, morphology and metabolism of the bacteria characterized by the following experimental results: a. Gram stain: round and purple bacteria b. Blood agar plates: gamma hemolysis c. Catalase test: no bubbles are observed d. Oxidase test: a blue test strip result is observed