8/24/12 Flashcards
What nerve is typically injured as it passes under the hook of the hamate?
ulnar
What histopathological findings would be present in the adrenal cortex of a person with Conn’s syndrome?
hyperTROPHY of the zona glomerulosa
What histopathological findings would be present in the adrenal cortex of a person with Cushing’s?
hyperPLASIA of the zona fasciculata
What histopathological findings would be present in the adrenal cortex of a person with Addison’s disease?
cortical atrophy
What is the VOMIT pathway?
Val, Odd-chain FA’s, Methionine, Ile, and Thr are all catabolized to propionyl CoA, which can be further metabolized to methylmalonyl-CoA and then to Succinyl-CoA for the Kreb’s cycle.
What cofactor is required by propionyl CoA carboxylase?
biotin
What co factor is required by methylmalonyl-CoA isomerase?
B12
What are the 2 main etiologies for lacunar infarcts?
lipohyalinosis and microatheroma of the penetrating vessels.
In which disease would you see pink areas in the white matter of the brain? What are these pink areas?
MS - oligodendrocyte apoptosis
What is the etiology of paraneoplastic cerebellar degeneration?
autoantibodies against Purkinje cells
Newborn: small for gestational age w/ bilateral cleft lip, microcephaly, microphthalmos, and rocker-bottom feet. Dx? Genetic abnormality?
Patau syndrome; trisomy 13
Newborn w/ prominent occiput, low-set ears, clenched fists in a characteristic manner. May have malrotation of the gut and/or Meckel’s diverticulum. Dx?
Edward’s syndrome, trisomy 18
Where does most lipid absorption occur?
jejunum
Where is bile reabsorbed to the enterohepatic circulation?
ileum
What nerves provide motor innervation to the tongue? How is it divided?
Hypoglossal n. provides motor innervation to all mm. of tongue, except the palatoglossus, which is innervated by the vagus n.
