Neuropath (Other textbooks) Flashcards
What are the three neurons that are especially vulnerable to hypoxic damage?
- Pyramidal neurons in the CA1 field of hippocampus
- Pyramidal neurons in layers 3 and 5 of the neocortex
- Purkinje cells in the cerebellum
(Ellison’s p. 6)
A process wherein dead neurons become encrusted and replaced by mineral salts, particularly prominent in the infant brain in response to hypoxic-ischemic damage A. Ferrugination B. Nuclear drop out C. Ballooning D. Microvacuolation
A. Ferrugination (Ellison’s, p. 6)
Small spherical nuclear inclusions that are brightly eosinophilic and are often seen in neurons of the adult substancia nigra most common in the elderly and in dementia with Lewy bodies A. Marinesco bodies B. Hirano bodies C. Lafora bodies D. Bunina bodies
A. Marinesco bodies (Ellison’s p. 7)
Brightly eosinophilic rod-shaped or elliptical cytopasmic incluaions that may appear to overlap the edge of a neuron, most numerous in the CA1 field of the hippocampus A. Marinesco bodies B. Hirano bodies C. Lafora bodies D. Bunina bodies
B. Hirano bodies (Ellison’s p. 8)
Inclusions with a round core that is intensely PAS-positive and are composed of polyglucosans, linked with aberrant glycogen hyperphosphorylation A. Marinesco bodies B. Hirano bodies C. Lafora bodies D. Bunina bodies
C. Lafora bodies (Ellison’s p. 8)
Stain used to demonstrate enzyme deficiency in McArdle disease A. NADH B. Acid phosphatase C. Myophosphorylase D. Phosphofructokinase
C. Myophosphorylase (Escourolle, p. 280)
ATPase activity is weak at alkaline pH but strong at acidic pH A. Type 1 fibers B. Type 2a C. Type 2b D. All of the above
A. Type 1 fibers (Escourolle, p. 279)
T/F: Type 1 fibers stain strongly with NADH-TR & SDH whereas type 2 fibers are relatively weakly stained
A. True
B. False
A. True (Escourolle p. 280)
At what age do muscle fibers take on a polygonal cross-sectional shape histologically? A. 3-6 months B. 3-6 years D. 6-8 months E. 6-8 years
B. 3-6 years (Escourolle p. 281)
Small beaded eosinophilic inclusions seen in motor neurons in motor neuron disease A. Marinesco bodies B. Hirano bodies C. Lafora bodies D. Bunina bodies
D. Bunina bodies (Ellison p. 9)
Brightly eosinophilic inclusions that develop in astrocytes, seen in longstanding reactive gliosis, pilocytic astrocytoma, Alexander’s disease, & giant axonal neuropathy A. Rosenthal fibers B. Granular bodies C. Corpora amylacea D. Spheroids
A. Rosenthal fibers (Ellison’s p. 13)
Astrocytes with enlarged vesicular nucleus with marginated chromatin, scanty cytoplasm, seen in liver failure A. Alzheimer type I B. Alzheimer type II C. Alzheimer type III D. Alzheimer type IV
B. Alzheimer type II (Ellison’s p. 15)
Tau inclusions called coiled bodies, which occur in the perinuclear oligodendrocyte cytoplasm, are seen in which 3 diseases?
- PSP
- CBD
- FTDP-17
(Ellison’s p. 19)
Glial cytoplasmic inclusions, which are curved, filamentous, or flame-shaped oligodendrocyte inclusions are seen in what disease? A. PSP B. CBD C. FTDP-17 D. MSA
D. MSA (Ellison’s p. 19)