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Chapter 10
462-471; 710-720
16
Pathology
Professional
05/11/2012

Additional Pathology Flashcards

 


 

Cards

Term
Phenylketonuria (definition)
Definition
Loss of Phenylalanine hydroxylase (PAH) leading to increased levels of phenylalanine and shunt pathway products

Can't convert phenylalanine to tyrosine
Term
PKU byproducts secreted in the urine
Definition
Phenylpyruvic acid

Phenyllactic acid

Phenylacetic acid

o-Hydroxyphenylacetic acid
Term
Alternative cause of PKU
Definition
BH4 deficiency/synthesis/recycling problems
Term
BH4 recycling defects
Definition
PKU symptoms that are not arrest able

Disturbed synthesis of neurotransmitters
Term
PKU symptoms
Definition
Strong mousy odor (due to phenyl acetic acid in the urine)

Sever mental retardation by the 6th month

Depigmented skin and hair; eczema
1/3 will never walk
2/3 will never talk
Term
Maternal PKU
Definition
Newborn presents with microcephaly, mental retardation, and congenital heart defects due to mother with PKU not adhering to her diet.
Term
Galactesemia
Definition
Deficiency in GALT, the second enzyme in UDP-glucose synthesis from galactose.
(Alt: Lack of Galactokinase)
Term
Galactesemic byproducts that cause symptoms
Definition
Galactonate

Galactitol
Term
Galactesemia S/S
Definition
Failure to thrive
Jaundice
Hepatomegaly
6-12 months --> mental retardation
Aminoaciduria
Fulminant E. coli septicemia
Term
Galactesemia treatment
Definition
Early removal of galactose from the diet for at least the first 2 years of life
Term
Cystic fibrosis S/S
Definition
Chronic lung infections
Pancreatic insufficiency
Steatorrhea
Malnutrition
Hepatic cirrhosis
Male infertility
Constipation
Term
Pseudomonas auruginosa virulence
Definition
Alginate- permits a biofilm around the colonies
Term
Pancreatic insufficiency
Definition
Causes exocrine gland atrophy and progressive fibrosis
Term
Meconium ileus
Definition
Thick mucus plugs that cause bowel obstruction in CF patients
Term
Pulmonary changes in CF
Definition
bronchioles are distended
Marked hyperplasea and hypertrophy of mucus secreting cells
Term
Cepacia Syndrome
Definition
Caused by the Burkholderia cepacia complex
WORST LUNG INFECTION IN CF
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