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05:12
02:54A patient’s lab data report has come back with a positive ELISA for pneumococcal C polysaccharide from CSF samples. The MOST appropriate next step for a health professional to recommend is to
a. culture from the CSF sample to test for antibiotic resistance.
b. administer tetracycline.
c. administer cephalosporin.
d. wait for RT-PCR confirmation before antibiotic treatment.
A patient under one year old is vomiting, drowsy, floppy (flaccid), and unresponsive. Both infant botulism and infant meningitis caused by other bacteria are suspected. Which piece of information would best help narrow down the possible diagnosis?
a. The child has spent almost no time outside the home.
b. The child is being breast-fed.
c. The child was born one month ago.
d. The child has a very high fever.
CSF glucose levels are often assessed to differentiate between bacterial and viral meningitis. This is because
a. bacteria cells use glucose and lower the overall concentration in the CSF.
b. viral meningitis causes inflammation that blocks glucose transport into the CSF.
c. viral infection of the meninges causes cell lysis, releasing glucose into the CSF.
d. None of the above.
A patient is admitted who is complaining of headache, disorientation, and numbness in his left arm. He was bitten by a raccoon two days before. The FIRST step taken to help this patient would be
a. retrieving and testing the raccoon’s brain tissues for the rabies virus.
b. collecting a CSF sample from the patient.
c. performing a tissue biopsy on the patient to look for Negri bodies.
d. administering an anti-rabies vaccine as well as anti-rabies antibodies.
