Two most common causes of infant meningitis are Streptococcus pneumoniae and Haemophilus influenzae. H. influenzae requires Factor X and Factor V as its growth factors, whereas S. pneumoniae is able to generate these two compounds on its own. If a 18-month-old infant was brought to the emergency room showing symptoms of meningitis, and samples from his cerebrospinal fluid (CSF) was collected and sent to the lab. The CSF samples were added onto different media to allow growth for 24 hours. According to the growth result below, which bacteria is likely to be the cause of meningitis in this case? Blood agar • No factor X • No factor V No Growth Media Result Answer: Chocolate agar • Has factor X Has factor V Growth Double check your spelling before submission!
Two most common causes of infant meningitis are Streptococcus pneumoniae and Haemophilus influenzae. H. influenzae requires Factor X and Factor V as its growth factors, whereas S. pneumoniae is able to generate these two compounds on its own. If a 18-month-old infant was brought to the emergency room showing symptoms of meningitis, and samples from his cerebrospinal fluid (CSF) was collected and sent to the lab. The CSF samples were added onto different media to allow growth for 24 hours. According to the growth result below, which bacteria is likely to be the cause of meningitis in this case? Blood agar • No factor X • No factor V No Growth Media Result Answer: Chocolate agar • Has factor X Has factor V Growth Double check your spelling before submission!
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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Transcribed Image Text:Two most common causes of infant meningitis are Streptococcus pneumoniae and Haemophilus influenzae. H. influenzae requires Factor X and Factor V
as its growth factors, whereas S. pneumoniae is able to generate these two compounds on its own.
If a 18-month-old infant was brought to the emergency room showing symptoms of meningitis, and samples from his cerebrospinal fluid (CSF) was
collected and sent to the lab. The CSF samples were added onto different media to allow growth for 24 hours. According to the growth result below, which
bacteria is likely to be the cause of meningitis in this case?
Blood agar
• No factor X
• No factor V
No Growth
Media
Result
Answer:
Chocolate agar
• Has factor X
Has factor V
Growth
Double check your spelling before submission!
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