This topic contains a solution. Click here to go to the answer

Author Question: An 8-year-old male presents with a red and sore throat. The rapid group A Streptococcus screen is ... (Read 247 times)

nramada

  • Hero Member
  • *****
  • Posts: 580
An 8-year-old male presents with a red and sore throat. The rapid group A Streptococcus screen is negative, and a sheep blood agar is inoculated.
 
  At 24 hours, there are no beta-hemolytic colonies present and moderate growth of normal upper respiratory flora. At 48 hours, the same culture results are present. Which of the following statements does not explain these results?
  A) The patient received treatment prior to specimen collection.
  B) His sore throat is due to Haemophilus influenzae, and it will not grow on blood agar.
  C) The causative agent is not bacterial.
  D) The culture was taken very early in the infection.

Question 2

A catalase-negative coccus in pairs and short chains that is susceptible to ethyl hydrocupreine will also
 
  A) require CO2 for growth.
  B) be bile soluble.
  C) be alpha hemolytic.
  D) all of the above.
  E) B and C.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

JaynaD87

  • Sr. Member
  • ****
  • Posts: 368
Answer to Question 1

B

Answer to Question 2

D




nramada

  • Member
  • Posts: 580
Reply 2 on: Jun 25, 2018
Thanks for the timely response, appreciate it


ricroger

  • Member
  • Posts: 352
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Your heart beats over 36 million times a year.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

For a complete list of videos, visit our video library