검증된 단계별 안내
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01:32During a lumbar puncture procedure, the nurse observed that the patient’s CSF pressure was high. However, when the analysis of the CSF sample comes back, the glucose levels are normal. The nurse would most likely suspect:
a. arboviral meningitis.
b. Neisseria meningitidis.
c. Listeria monocytogenes.
d. poliovirus.
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.
Viral meningitis is more common than other forms of meningitis because
a. these infectious agents are all intracellular, evading the immune system.
b. there are more types of viruses than bacteria because they evolve more quickly.
c. the small size of viruses makes them able to pass more easily through the blood–brain barrier.
d. viruses are spread person to person more easily than bacteria, fungi, or protozoans.
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.
