Path: Autosomal Recessive, CV Flashcards
What is the DNA substitution that results in sickle cell?
Valine over glutamic acid
Which three glycogen storage diseases are autosomal recessive?
- von Gierke disease
- Pompe disease
- McArdle syndrome
Which of the two mucopolysaccharide storage diseases is autosomal recessive?
Hurler’s syndrome
T/F: Hunter’s syndrome is X-linked recessive.
True
T/F: Lipid storage diseases (i.e. Tay-Sachs, Niemann Pick, Gaucher’s) are all autosomal recessive.
True
T/F: Adult polycystic kidney disease is autosomal recessive.
False
Child form is
T/F: Hemophilia A (Classic hemophilia) is an autosomal recessive disorder.
False
X-linked recessive
T/F: Hemophilia will result in higher PT and bleeding from smaller vessels.
False
Platelet disorders = high PT and small vessel bleeding
Hemophilia = high PTT and large vessel bleeding
Which clotting factor is deficient in Hemo A?
VIII
T/F: A vitamin K deficiency will result in lower PT and PTT, but normal platelet count.
True
Warfarin (Coumadin) inhibits vitamin K
Which X-linked recessive disorder will lead to RBC destruction and anemia?
G6PD deficiency
What is the difference between microcytic and macrocytic anemia?
Microcytic: smaller RBC (Fe)
Macrocytic: larger RBC (B12 and folate)
What is the consequence of autoimmune gastritis?
Failure of parietal cells to produce intrinsic factor -> B12 not absorbed -> pernicious anemia
What is pancytopenia?
Decrease in all blood cells (RBC and WBC)
Happens in aplastic anemia (bone marrow)
Why would kidney disease cause anemia?
Less erythropoietin produced -> less RBC production in marrow
Multiple myeloma is a cancer in _______ that effects mostly men over 40.
plasma cells
Presence of which protein in the urine confirms multiple myeloma?
Bence-Jones
T/F: Multiple myeloma results in punched out bone radiolucencies.
True
What pain is associated with multiple myeloma?
Severe and constant back and rib pain
What is the hallmark of Hodgkin’s Lymphoma?
Reed-Sternberg cells