CNS Pathology

Question 1

Leptomeningitis

Answer 1

inflammatory process that is localized to the interfacing surfaces of the pia and arachnoid (where CSF flows)

*most common and related to bacteria

Question 2

Pachymeningitis

Answer 2

inflammation of the dura

Question 3

Vast majority of meningitis cases are caused by what type of bacteria

Answer 3

suppurative bacteria

Question 4

Most common cause of bacterial meningitis: neonates

Answer 4

• E. coli (colonizes around urethra)

- Group B strep

Question 5

Most common cause of bacterial meningitis: Infant (3 months to 3 years)

Answer 5

Hemophilus influenza

gram -

Question 6

Most common cause of bacterial meningitis: adult

Answer 6

streptococcus pneumococcus

gram +, diplococcus

Question 7

Most common cause of bacterial meningitis: military barracks, college dorms

Answer 7

Neisseria meningitidis

gram -

Question 8

What is the most definitive diagnostic index of meningitis?

Answer 8

PMNs in the CSF

Question 9

What are the hallmark of meningitis caused by tuberculosis, viral meningitides, and chronic fungal infections (crytococcal meningitis)?

Answer 9

lymphocytes

Question 10

Neurologic disorder characterized pathologically by the (degenerative) loss of neurons in the Substantia Nigra and clinically by tremors at rest, muscular rigidity, expressionless face and emotional lability

Answer 10

Parkinson Disease

Question 11

Where does Parkinson Disease affect?

Answer 11

mid brain