Micro: Viral CNS

Question 0

Main cause of CNS damage from viral infection.

Answer 0

Host immune response creates inflammation in a very confined space.

Question 1

Main viruses that cause meningitis

Answer 1

Enteroviruses

Question 2

Treatment for viral meningitis.

Answer 2

Since it is usually self-limiting the symptoms are all that is treated.

Question 3

What is the classic tetrad for viral meningitis.

Answer 3

Nuchal rigidity, photophobia, fever, headache

Question 4

Main enteroviruses that cause meningitis and how do they reach the CNS?

Answer 4

Coxsackie A and B
Echovirus

-fecal oral contamination. Viruses travel thru lymphatics to the brain or CSF

Question 5

Main risk for acquiring the enteroviruses

Answer 5

Swimming, especially during the summer months.

Question 6

Main complications that occur with a mumps infection.

Answer 6

Bilateral parotits, orchitis

Question 7

1 cause of viral encephalitis

Answer 7

HSV-1

Question 8

What type of scenario results in herpes-induced viral meningitis?

Answer 8

Vaginal delivery of a baby to a mother infected with HSV-2

Question 9

Treatment for Herpes encephalitis or meningitis.

Answer 9

IV acyclovir

Question 10

Most common virus that infects the temporal lobe leading to speech and memory symptoms.

Answer 10

HSV-1

Question 11

Bullet Shape

Answer 11

Rhabdoviridae

Question 12

How does rabies reach the CNS?

Answer 12

Retrograde transport thru nerve axons

Question 13

Negri bodies

Answer 13

Rabies

Question 14

Diagnostic symptom of a patient infected with rabies.

Answer 14

Hydrophobia

Question 15

Major neural complication of the measles.

Answer 15

Subacute Sclerosing Pan Encephalitis

-caused by incomplete clearing of the primary measles infection leaving defective viruses behind

Question 16

Polio vaccine used in the U.S.

Answer 16

Salk

-killed vaccine