A student suspects from his/her Gram stain that his/her organism is a member of the Streptococcaceae family. However, after performing the Catalase test on isolated colonies growing on a Blood Agar plate, his/her catalase test turned up positive. Why is he/she getting conflicting results? What should he/she do differently? O He/she performed the catalase test on Blood Agar. Red blood cells contain catalase and this will give a false positive result. O He/she is correct. The organism is catalase positive. O He/she performed the catalase test on Blood Agar. This is a good medium to perform catalase test. O He/she should remove some isolated colonies and place them on a clean slide. a and d are correct
A student suspects from his/her Gram stain that his/her organism is a member of the Streptococcaceae family. However, after performing the Catalase test on isolated colonies growing on a Blood Agar plate, his/her catalase test turned up positive. Why is he/she getting conflicting results? What should he/she do differently? O He/she performed the catalase test on Blood Agar. Red blood cells contain catalase and this will give a false positive result. O He/she is correct. The organism is catalase positive. O He/she performed the catalase test on Blood Agar. This is a good medium to perform catalase test. O He/she should remove some isolated colonies and place them on a clean slide. a and d are correct
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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QUESTION 6
A student suspects from his/her Gram stain that his/her organism is a member of the Streptococcaceae family. However, after
performing the Catalase test on isolated colonies growing on a Blood Agar plate, his/her catalase test turned up positive. Why is
he/she getting conflicting results? What should he/she do differently?
O He/she performed the catalase test on Blood Agar. Red blood cells contain catalase and this will give a false positive result.
O He/she is correct. The organism is catalase positive.
O He/she performed the catalase test on Blood Agar. This is a good medium to perform catalase test.
O He/she should remove some isolated colonies and place them on a clean slide.
O a and d are correct
QUESTION 7
Staphylococci
Streptococcu:
MicrococcuS
Lactobacillus
Citrobacter
Escherichia
Proteus
Salmonella
Pseudomona
Neisseria
Gram Stain
Click Save and Submit to save and submit. Click Save All Ansuwers to save all answers.
Save All Answers
Sav"
Transcribed Image Text:O UV light
QUESTION 6
A student suspects from his/her Gram stain that his/her organism is a member of the Streptococcaceae family. However, after
performing the Catalase test on isolated colonies growing on a Blood Agar plate, his/her catalase test turned up positive. Why is
he/she getting conflicting results? What should he/she do differently?
O He/she performed the catalase test on Blood Agar. Red blood cells contain catalase and this will give a false positive result.
O He/she is correct. The organism is catalase positive.
O He/she performed the catalase test on Blood Agar. This is a good medium to perform catalase test.
O He/she should remove some isolated colonies and place them on a clean slide.
O a and d are correct
QUESTION 7
Staphylococci
Streptococcu:
MicrococcuS
Lactobacillus
Citrobacter
Escherichia
Proteus
Salmonella
Pseudomona
Neisseria
Gram Stain
Click Save and Submit to save and submit. Click Save All Ansuwers to save all answers.
Save All Answers
Sav
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