Homework Answers
B-Beta hemolysis
It is complete lysis of RBC & appearance is yellow and transparent.
In the following image it can been seen that there is yellow color is present which is transparent also.
51- (a) - streptococcus pyogenenes
Bacitracin test is used to determine the effect of a small amount of bacitracin on an organism. Streptococcus pyogenes (Group A Streptococci) is inhibited by the small amount of bacitracin in the disk where as other beta-hemolytic streptococci usually are not.
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51. Judging from the type of terpretation ot a hemolysis oi disksw hemolysis & its response...
Respiratory Specimen 54.Judging from the type of hemolysis & its response to optichin, what organism is...
Respiratory Specimen 54.Judging from the type of hemolysis & its response to optichin, what organism is this? ? -(A) Streptococcus pyogenes B. Streptococcus pneumoniae - C. Staphylococcus aureus D. Staphylococcus pyogenes 55. What type of hemolysis is this? - A. alpha B. beta - C. non-hemolytic Spring 2018
1. The organisms that are prokaryotic and possess specialized structures called heterocysts to aid in fixing...
1. The organisms that are prokaryotic and possess specialized structures called heterocysts to aid in fixing atmospheric nitrogen are Group of answer choices cyanobacteria Archaea Penicillium Algae Dinoflagellates 2. The cause of strep throat is ________________. Group of answer choices B. Streptococcus pyogenes- beta-hemolytic, group A A. Staphylococcus aureus D. Streptococcus pneumoniae C. Staphylococcus pyogenes- alpha-hemolytic, group B
68. Which of the following is likely to be used as a susceptible organism and therefore...
68. Which of the following is likely to be used as a susceptible organism and therefore a positive control for the Bacitracin Test? a. Micrococcus b. Staphylococcus c. Streptomyces d. Bacillus 69. What type of test is the Bacitracin Test? a. Hydrolytic exoenzyme test b. Dise-diffusion test c. Minimum inhibitory concentration test d. ATPase inhibition test 70. We won't do a standard Blood Agar Test (Lab Exercise 5-21), but it is often used to differentiate among several Gram positive cocci...
Question 6 2 points Sre Answer A patient is hospitalized for endocarditis. Multiple blood cultures grow...
Question 6 2 points Sre Answer A patient is hospitalized for endocarditis. Multiple blood cultures grow out a catalase negative, alpha hemolytic gram positive coccus. The clinical history of the patent reveals that the patient had recently had extensive dental surgery performed. Which of the following organisms is Most Like the solated organism O A) Staphylococcus aureus O B) Streptococcus ogalactice O ) Viridans Streptococcus O D) Streptococcus gallolyticus OE) Enterococcus foecium Question 8 Which of the following is NOT...
Need help making my dichotomous key. The left side is okay, it's the right side I...
Need help making my dichotomous key. The left side is
okay, it's the right side I need help with. What test could I use
to differentiate between Bm and Bs given this chart?
Bacillus mepoterum Dichotomous Key for Gram + Bacteria Bm), Bacilus subtils (Bs), Enterococcus faecalis (Ef!, Staphylococcus aureus (sa), Staphylococcus soprophyticus (ss), Streptococcus rails (so). Streptococcus pneumoniae (Spl, Streptococcus pyogenes (Sov) Inoculate unknown on CNA: Did hemolysis occur?? No. Gamma or na growth Yes, hemolysis occurred El, Ss....
Question 29 the Calcofluor Stain, the fluorochrome binds with which of the following structures? O A)...
Question 29 the Calcofluor Stain, the fluorochrome binds with which of the following structures? O A) Cell Wall Mycolic Acid OB) Metachromatic granules OC) Chitin OD) Polysaccharide Capsular material E) Cell Wall Peptidoglycan Question 31 All of the following are virulence factors associated with Staphylococcus oureus EXCEPT: A) Coagulase O B) Hyaluronidase OC) Protein A OD) M protein OE) Gamma Toxin uestion 34 Las a cell-associated virulence factor. Not All S. aureus isolates have O A) Capsular polysaccharide OB) Telchoic...
Help me, please 7. Once isolated in the laboratory, Staphylococcus can be easily distinguished from Streptococcus...
Help me, please
7. Once isolated in the laboratory, Staphylococcus can be easily distinguished from Streptococcus on the basis of: a. The catalase reaction b. The oxidase reaction C. The lactose fermentation reaction d. The glucose fermentation reaction 8. The use of chemical agents on skin or living tissue to inhibit or eliminate microbes is known as: a. Sterilization b. Antisepsis C. Disinfection d. Pasteurization 9. What is the total magnification for oil immersion? a. 10 b. 400 O 1000...
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...
Case Study – Chapter 21 Respiratory System Infectious A 35-year-old Hispanic man presented to his family...
Case Study – Chapter 21 Respiratory System Infectious A 35-year-old Hispanic man presented to his family physician with fever which had persisted over 4 days. He had no history of fevers lasting this long. He had contracted tuberculosis when he was 17, but he had no family history of TB. He had taken no medications. He was a smoker and occasionally drank alcohol. He described to his doctor that 2 days prior, he suddenly developed chills and a sore throat...
Nester etal MICROBIOLOGY: A Human Perspective Case Study-Chapter 21 Respiratory System Infectious 5-year-old Hispanic man presented...
Nester etal MICROBIOLOGY: A Human Perspective Case Study-Chapter 21 Respiratory System Infectious 5-year-old Hispanic man presented to his family physician with fever which had persisted over 4 days. He had no history of fevers lasting this long. He had contracted tuberculosis when he was 17, but he had no family history of TB. He had taken no medications. He was a smoker and occasionally drank alcohol. He described to his doctor that 2 days prior, he suddenly developed chills and...
Respiratory Specimen 54.Judging from the type of hemolysis & its response to optichin, what organism is this? ? -(A) Streptococcus pyogenes B. Streptococcus pneumoniae - C. Staphylococcus aureus D. Staphylococcus pyogenes 55. What type of hemolysis is this? - A. alpha B. beta - C. non-hemolytic Spring 2018
68. Which of the following is likely to be used as a susceptible organism and therefore a positive control for the Bacitracin Test? a. Micrococcus b. Staphylococcus c. Streptomyces d. Bacillus 69. What type of test is the Bacitracin Test? a. Hydrolytic exoenzyme test b. Dise-diffusion test c. Minimum inhibitory concentration test d. ATPase inhibition test 70. We won't do a standard Blood Agar Test (Lab Exercise 5-21), but it is often used to differentiate among several Gram positive cocci...
Question 6 2 points Sre Answer A patient is hospitalized for endocarditis. Multiple blood cultures grow out a catalase negative, alpha hemolytic gram positive coccus. The clinical history of the patent reveals that the patient had recently had extensive dental surgery performed. Which of the following organisms is Most Like the solated organism O A) Staphylococcus aureus O B) Streptococcus ogalactice O ) Viridans Streptococcus O D) Streptococcus gallolyticus OE) Enterococcus foecium Question 8 Which of the following is NOT...
Need help making my dichotomous key. The left side is
okay, it's the right side I need help with. What test could I use
to differentiate between Bm and Bs given this chart?
Bacillus mepoterum Dichotomous Key for Gram + Bacteria Bm), Bacilus subtils (Bs), Enterococcus faecalis (Ef!, Staphylococcus aureus (sa), Staphylococcus soprophyticus (ss), Streptococcus rails (so). Streptococcus pneumoniae (Spl, Streptococcus pyogenes (Sov) Inoculate unknown on CNA: Did hemolysis occur?? No. Gamma or na growth Yes, hemolysis occurred El, Ss....
Question 29 the Calcofluor Stain, the fluorochrome binds with which of the following structures? O A) Cell Wall Mycolic Acid OB) Metachromatic granules OC) Chitin OD) Polysaccharide Capsular material E) Cell Wall Peptidoglycan Question 31 All of the following are virulence factors associated with Staphylococcus oureus EXCEPT: A) Coagulase O B) Hyaluronidase OC) Protein A OD) M protein OE) Gamma Toxin uestion 34 Las a cell-associated virulence factor. Not All S. aureus isolates have O A) Capsular polysaccharide OB) Telchoic...
Help me, please
7. Once isolated in the laboratory, Staphylococcus can be easily distinguished from Streptococcus on the basis of: a. The catalase reaction b. The oxidase reaction C. The lactose fermentation reaction d. The glucose fermentation reaction 8. The use of chemical agents on skin or living tissue to inhibit or eliminate microbes is known as: a. Sterilization b. Antisepsis C. Disinfection d. Pasteurization 9. What is the total magnification for oil immersion? a. 10 b. 400 O 1000...
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...
Nester etal MICROBIOLOGY: A Human Perspective Case Study-Chapter 21 Respiratory System Infectious 5-year-old Hispanic man presented to his family physician with fever which had persisted over 4 days. He had no history of fevers lasting this long. He had contracted tuberculosis when he was 17, but he had no family history of TB. He had taken no medications. He was a smoker and occasionally drank alcohol. He described to his doctor that 2 days prior, he suddenly developed chills and...
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