Exam 35: Infections of the Central Nervous System

A teenager and her friends spend the day swimming in a lake and picnicking. The next day, she starts to feel sick complaining of a headache and general malaise. The following morning, she is very ill and is rushed to the emergency department. Many neurologic changes are noted. Despite the staff's best efforts, she dies. Autopsy reveals the presence of small protozoa in her brain tissue. What is the most probable organism that caused her death?

Syphilitic involvement in the CNS can take all of the following forms, except

All of the following are important arboviruses, except

What is a common neurologic complication with the mumps virus?

All of the following are common causes of viral encephalitis, except

A college student is examined at the emergency department; he is disoriented with a fever, intense headache, stiff neck, vomiting, and sensitivity to light. His friends say that he has been sick for about 2 days and that his condition worsened over the last 3 hours. The serum electrolytes are normal, but the patient's white blood count is 12,000 cells/L. What test should the physician order next?

All of the following organisms commonly cause meningitis, except

Infection with what organism results in a chronic meningoencephalitis, more commonly known as sleeping sickness?

What virus, spread by the mosquito, causes a typically self-limiting illness, but can be associated with a rash, aseptic meningitis, myelitis, and fatal encephalitis?

What organism is a common cause of meningitis in neonates and infants up to 3 months of age?

E. coli is isolated from the spinal fluid of a 3-day-old infant. What is the most likely source of the bacterium?

All the following viruses can resist inactivation by gastric acid, except

A farmer is bitten by a raccoon. He washes the wound with soap and water and then puts a dressing on it. A couple of days later, he begins to feel tired and the wound is painful. About 2 days later, the farmer begins to feel agitated. He has a seizure and hallucinations. What condition matches the farmer's symptoms and history?

Common arboviruses that cause meningitis include all the following, except

A CSF sample collected from a child yields the following results: turbid, very high total protein levels, and very low glucose levels. What would the probable diagnosis be?

What fungus causes chronic meningitis in patients with human immunodeficiency virus infection?

From where do most cerebral abscesses spread?

CSF specimens should be analyzed for infectious agents as quickly as possible. How should a specimen collected in the hospital be transported to the laboratory?

What type of meningitis is usually uncomplicated and resolves in 2 to 7 days?

What EV is commonly associated with neurologic illness?