Shared Flashcard Set

Details

USMLE 2014 - C
USMLE 2014 - C
37
Medical
Professional
02/08/2014

Additional Medical Flashcards

 


 

Cards

Term
What can you use at end of 1st and 2nd semesters to diagnose Down's ?
Definition
End of 1st semester - Ultrasound

End of 2nd semester - Karyotype / FISH
Term
The Hirano bodies in Alzheimer's disease are made of what ?
Definition
Actin
Term
What one part of heart is from ectoderm neural crest ?
Definition
Atrioventricular canal
Term
What type AML is seen in babies with Down's Syndrome ?
Definition
AML Type 7
Term
Non-bilious projectile vomiting and olive like mass indicates ?
Definition
Pyloric stenosis
Term
What things are increased in Trisomy 21 Down Syndrome ?
Definition
hcG
Inhibin A
Term
What are unique clinical findings in Trisomy 18 ?
Definition
Rocker-bottom feet (loss or arches or rounding of feet)
Overlapping flexed fingers
Horseshoe kidneys
Term
Unique clinical features of Trisomy 13 (Patau Syndrome) ?
Definition
Polydactyly
Cleft lip / palate
Holoprosencephaly
Term
Cri du Chat syndrome is due to
Definition
"deletion" on Chromosome 5p

Congenital heart defect usually seen is VSD
Term
Turner's Syndrome patients are at risk for what cancer ?
Definition
Ovarian cancer

But if mosaic, then at risk for Gonadoblastoma
Term
In Female Pseudohermaphroditism, it is ?
Definition
Female inside and Male outside
Term
Complete androgen insensitivity syndrome is due to ?
Definition
Mutation of the androgen receptor (Xq11-12) ?
Term
What is the CFTR gene in CF ?
Definition
A chloride channel that uses cAMP

This gene is located on chromosome 7
Term
Most common cause of bronchiectasis in USA ?
Definition
Cystic fibrosis
Term
What vitamin deficiencies are present in CF ?
Definition
Deficiency of fat-soluble vitamins (A, D, E, K)

B12 deficiencey (get Megaloblastic anemia)
Term
What becomes essential amino acid in PKU ?
Definition
Tyrosine
Term
Alkaptonuria (or Ochronosis) can lead to what bone problem ?
Definition
Predisposes to early onset degenrative arthritis in a young patient
Term
"Macule is pale with still-red fovea" describes ?
Definition
Cherry red macula
Term
What are Monroe's abscesses ?
Definition
Present in psoriasis. Growth increased by TH17 which stimulates IL-17
Term
Infliximab is ?
Definition
a TNF inhibitor
Term
Infliximab is ?
Definition
a TNF inhibitor
Term
Treatment for Psoriasis ?
Definition
If mild, Psorelen with UVA light (PUVA)

If severe, give Methotrexate
Term
The deficient enzymes in Tay-Sachs disease and Niemann-Pick disease are what types of disease ?
Definition
Acid hydrolase
Term
Marfan's is due to ?
Definition
Mutation in fibrillin gene (FBN1), it is a dominant-negative mutation
Term
The bilateral subluxation of the lens is in what direction ?
Definition
The lens goes up and out
Term
Ehlers Danlos Type 4 is an autosomal defect in ?
Definition
Type 3 collages.
Uterus and other organs can rupture
Term
What occurs in Menke's Kinky Hair Syndrome ?
Definition
X-linked recessive mutation in copper-binding protein
Low levels of ceruloplasmin and serum copper
Low activity of lysyl oxidase
Term
Fibrillin is what ?
Definition
A glycoprotein
Term
The NF-1 (neurofibromin) gene inhibits what ?
Definition
p21 ras oncoprotein
Term
What variant of neurofibromas in Type 1 Neurofibromatosis are diagnostic ?
Definition
Plexiform variant
Term
What is the name of the gene product in NF-2 ?
Definition
Merlin
Term
Clinical signs of von Hippel-Lindau disease ?
Definition
Polycythemia, cranial mass, bilateral renal cell carcinomas, pheochromocytoma
Term
What is only disease at birth that gives bilateral macroorchidism ?
Definition
Fragile X Syndrome
Term
Most common heart defect in Fragile X and Marfan's ?
Definition
MVP
Term
The abnormal huntingtin protein in Huntington's is on what chromosome ?
Definition
Ch 4
Term
What brain structure atrophies in Huntington's ?
Definition
Caudate nucleus. See spiny neurons which use GABA
Term
What is Prader-Willi Syndrome ?
Definition
Is a microdeletion on paternal chromosome 15 or due to maternal uniparental disomy

Dad's gene is deleted
Mom's gene is methylated (imprinted)
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