Deck 22: Central Nervous System

Question 1

Which of the following is the dominant protein component of neuritic plaques in the brain in Alzheimer disease?

A) Apoprotein ε
B) Tau protein
C) Neurofibrillin
D) Microtubules-associated protein 2 (MAP2)
E) Aβ derived from amyloid precursor protein (APP)

Answer 1

Aβ derived from amyloid precursor protein (APP)

Question 2

Which of the following is the most common source of septic thromboemboli in the cerebral arteries?

A) Leg veins
B) Pulmonary veins
C) Heart
D) Aorta
E) Carotid arteries

Answer 2

Heart

Question 3

Posttraumatic hydrocephalus is most often caused by which of the following?

A) Hypersecretion of cerebrospinal fluid
B) Obstruction of the aqueduct
C) Obstruction of the foramen of Luschka
D) Obstruction of the foramen of Magendie
E) Obstruction of cerebrospinal fluid absorption

Answer 3

Obstruction of cerebrospinal fluid absorption

Question 4

Fetal alcohol syndrome is most often characterized by which of the following disorders?

A) Encephalocele
B) Anencephaly
C) Macrogyria
D) Microencephaly
E) Lissencephaly