Homework Answers
The bacteria and fungal colony can be differentiated from its appearance of if it liner and powdery then it is fungal and if it is bulking or in colony and wet form then it bacteria.
Here the image is similar to a bacteria which appears like a cocci shaped and the characteristics are similar to a streptococci
Ans:C.Streptococci
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Interpreting Culture Gram Stain Results 62.Based on the growth characteristics seen on the agar plate &...
WORKSHEET Hemolytic activity Gram Stain Cell Arrangement Blood agar plates: Bacterial Species S. pyogenes E. faecalis...
WORKSHEET Hemolytic activity Gram Stain Cell Arrangement Blood agar plates: Bacterial Species S. pyogenes E. faecalis S. pneumoniae + + + QUESTIONS 1. List the disease caused by beta-hemolytic streptococci. 2. List the areas of the body where streptococci are indigenous. 3. What types of hemolysis occurred for each of the species of Streptococcus you tested? 4. What types of hemolysis occurred on the blood agar plate containing your throat culture 5. Were you able to identify the type of...
On a urine bacteriology culture blood agar plate at 24 hours, over 100,000 small, white colonies...
On a urine bacteriology culture blood agar plate at 24 hours, over 100,000 small, white colonies are observed. They are catalase positive and a side coagulase test s negative. Your next step is to A) report out over 1000,000 staphylococcus epidermidis/ml of urine B) Perform a Gram stain C) Inoculate a Gram positive urine antibiotic susceptibility battery D) set up a tube E) ask for a repeat culture. Many fungal infections in oral pharyngeal, uro-gential and similar cultures are often...
A 35-year old male was transferred to the city via helicopter. The patient was in a...
A 35-year old male was transferred to the city via helicopter. The patient was in a multisystem failure that was brought on due to pneumonia. The patient went to his primary physician 5 days ago with the complaint of fever, fatigue, and vague respiratory symptoms. The physician suspected the patient had the flu and gave him some antibiotics. The patient’s condition became progressively worse and he developed shortness of breath with nausea and spiked a temperature. The patient was admitted...
You are given a mixed culture of two organisms in a small tube of TSB.
You are given a mixed culture of two organisms in a small tube of TSB. These two organisms include a Gram-negative strain (your bacterial strain to identify) and a Gram-positive strain (a contaminant). Your first task is to isolate these organisms which will help you identify which Gram-negative strain you are working with. 1) You inoculate two streak plates on TSA media and MacConkey Agar using aseptic technique. For each medium, state whether the medium is selective, differential, or neither and...
NEISSERIA EXPERIMENT MICROBIOLOGY LAB (Revised March 2016) Background There are two main pathogens in the genus...
NEISSERIA EXPERIMENT MICROBIOLOGY LAB (Revised March 2016) Background There are two main pathogens in the genus Neisseria: N.gonorrhoeae and N meningitidis, along with many species which are normal flora for mucus membranes like the nasopharynx, vagina, urogenital tract, etc. In order to diagnose gonorrhea in a male, a Gram stain of the urethral discharge should reveal Gram negative diplococci and many white blood cells. This is considered sufficient grounds to treat for gonorrhea. In a female, diagnosis must be based...
1)An eosin methylene blue (EMB) agar plate was inoculated with four different species of bacteria. Below...
1)An eosin methylene blue (EMB) agar plate was inoculated with four different species of bacteria. Below are the colony growth after inoculation. Which shows a vigorous lactose fermenter? A) A brown media with an oblong culture of bacteria. The colony shows vigorous growth and is the same color as the media. B) A brown media with an oblong colony of bacteria that experiences weak growth. The color of the media is visible through the translucent white color of the bacterial...
Case Study #1 Clinical history: An HIV positive male presented in clinic with confusion and disorientation. He had a fev...
Case Study
#1
Clinical
history: An HIV positive male presented in clinic with
confusion and disorientation. He had a fever 38.5°C and
photophobia. His CD4 T cell count was 80/ul. An MRI and lumbar
puncture were performed. The MRI showed various small lesions
within the brain. CSF analysis indicated 32 White Blood Cells/ul
with 89% lymphocytes, and 6% monocytes, glucose of 22mg/dl, and
protein of 89mg/dl. Gram stain showed yeast and India ink negative
stain showed a thick capsule.
Image...
A 23-year old female college student entered the emergency room with a headache and fever that...
A 23-year old female college student entered the emergency room with a headache and fever that she has had for the past three days. The student’s roommate found her in the dorm room confused and highly agitated. When she arrived in the emergency room, the patient was comatose. The physician performed a lumbar puncture. The following laboratory results were obtained: Laboratory Results of CSF: Color/Clarity: Colorless and Slightly cloudy WBC: 380 cells/mm^3 94% are polymorphonuclear cells ...
Lab Report-Carbohydrates 1. Purpose 2. Special Media for Isolating Bacteria (Lab #12) a. Why are dyes...
Lab Report-Carbohydrates 1. Purpose 2. Special Media for Isolating Bacteria (Lab #12) a. Why are dyes such as phenol red, eosin or methylene blue added to the media? b. How does the bacterium change the media (i.e color of agar or colonies) after incubation? C. In this experiment, which media are selective, and which are differential? d. How did the results observe on the mannitol salt agar and EMB agar correlate to the Gram reaction of the bacteria? e. What...
microbiology help TOT Zoo Add Page Insert Table Chart Text Shape Media Comment These questions will...
microbiology help
TOT Zoo Add Page Insert Table Chart Text Shape Media Comment These questions will serve in lieu of a lab report for Exercise 15, 16, and 17 You will find the answer to these questions in the background, procedure, results and interpretation sections of manual Exercise 15, 16, and 17, videos, Actions of Selective and Differential Media Chart, and the Principle/Theory article in homework section.) General Questions 1. What is the purpose (function) of selective media? (How does...
WORKSHEET Hemolytic activity Gram Stain Cell Arrangement Blood agar plates: Bacterial Species S. pyogenes E. faecalis S. pneumoniae + + + QUESTIONS 1. List the disease caused by beta-hemolytic streptococci. 2. List the areas of the body where streptococci are indigenous. 3. What types of hemolysis occurred for each of the species of Streptococcus you tested? 4. What types of hemolysis occurred on the blood agar plate containing your throat culture 5. Were you able to identify the type of...
On a urine bacteriology culture blood agar plate at 24 hours, over 100,000 small, white colonies are observed. They are catalase positive and a side coagulase test s negative. Your next step is to A) report out over 1000,000 staphylococcus epidermidis/ml of urine B) Perform a Gram stain C) Inoculate a Gram positive urine antibiotic susceptibility battery D) set up a tube E) ask for a repeat culture. Many fungal infections in oral pharyngeal, uro-gential and similar cultures are often...
NEISSERIA EXPERIMENT MICROBIOLOGY LAB (Revised March 2016) Background There are two main pathogens in the genus Neisseria: N.gonorrhoeae and N meningitidis, along with many species which are normal flora for mucus membranes like the nasopharynx, vagina, urogenital tract, etc. In order to diagnose gonorrhea in a male, a Gram stain of the urethral discharge should reveal Gram negative diplococci and many white blood cells. This is considered sufficient grounds to treat for gonorrhea. In a female, diagnosis must be based...
Case Study
#1
Clinical
history: An HIV positive male presented in clinic with
confusion and disorientation. He had a fever 38.5°C and
photophobia. His CD4 T cell count was 80/ul. An MRI and lumbar
puncture were performed. The MRI showed various small lesions
within the brain. CSF analysis indicated 32 White Blood Cells/ul
with 89% lymphocytes, and 6% monocytes, glucose of 22mg/dl, and
protein of 89mg/dl. Gram stain showed yeast and India ink negative
stain showed a thick capsule.
Image...
Lab Report-Carbohydrates 1. Purpose 2. Special Media for Isolating Bacteria (Lab #12) a. Why are dyes such as phenol red, eosin or methylene blue added to the media? b. How does the bacterium change the media (i.e color of agar or colonies) after incubation? C. In this experiment, which media are selective, and which are differential? d. How did the results observe on the mannitol salt agar and EMB agar correlate to the Gram reaction of the bacteria? e. What...
microbiology help
TOT Zoo Add Page Insert Table Chart Text Shape Media Comment These questions will serve in lieu of a lab report for Exercise 15, 16, and 17 You will find the answer to these questions in the background, procedure, results and interpretation sections of manual Exercise 15, 16, and 17, videos, Actions of Selective and Differential Media Chart, and the Principle/Theory article in homework section.) General Questions 1. What is the purpose (function) of selective media? (How does...
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