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S09 Pathology 1c
Quiz 3
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05/28/2009

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Term
anemia
Definition
___ is the abnormal reduction in total RBC mass.
Term
anemia
Definition
___ may manifest in the number of RBCs, the quantity of hemoglobin or the volume of packed RBCs.
Term
iron-deficiency anemia
Definition
____ anemia presents in 5-30% of females especially pre-menopausal experiencing chronic blood loss (menstruation / occult malignancy), insifficient intake, faulty absorption or increased requirements (pregnancy).
Term
mycrocytic hypochromic (small / pale RBCs)
Definition
Iron-deficiency anemia is a ___ ___ anemia.
Term
atrophic glossitis
Definition
___ ___ is a bald, shiny tongue characteristic of iron deficiency anemia.
Term
alopecia
Definition
___ is hair loss associated with iron deficiency anemia.
Term
koilonychia
Definition
___ describes spoon shaped finger nails characteristic of iron deficiency anemia.
Term
iron-deficiency anemia
Definition
___ anemia is treated by correcting the source of chronic blood loss or malabsorption or with supplements.
Term
vitamin C
Definition
Iron supplements are usually accompanied by ___ and a high protein diet.
Term
Megaloblastic = megalocytic = macrocytic
Definition
___ anemias have large / pale RBCs.
Term
megaloblastic anemia
Definition
Since RBCs in ___ anemias are destroyed early because they are abnormal. Hematopoiesis also slows down.
Term
megaloblastic anemia
Definition
___ anemias have either Vitamin B-12 or folic acid deficiency.
Term
vitamin b-12 / folic acid
Definition
Megaloblastic anemias have either ___ or ___ deficiencies.
Term
vitamin b-12 = megaloblastic anemia
Definition
___ deficiency may be due to autoimmune gastriti, surgery, achlohydria, malabsorption, increased requirements or inadequate diet.
Term
pernicious
Definition
Vitamin B-12 deficiency is also called ___ anemia.
Term
achlohydria
Definition
___ is the inability to split R protein from B12 characteristic of pernicious anemia.
Term
folic acid deficiency = megaloblastic anemia
Definition
___ defiency is especially common in alcoholics, also bowel diseases (celiac disease/tropical sprue), chronic phenytoin users or pregnant women.
Term
megaloblastic anemia
Definition
Generalized weakness, atropic glossitis, lemon-yellow pallor, diarrhea, nausea, vomiting, shortness of breath and drowsiness are characteristics of ___ anemia.
Term
B-12 deficiency
Definition
In ___ deficiency (megaloblastic anemia), degradation of posterior and lateral tracts of spinal cord and peripheral tingling (due to demyelination of nerves) are classical clinic presentations.
Term
leukemia
Definition
___ is the malignancy of circulating WBCs. It has acute and chronic forms.
Term
leukemia
Definition
___ affects males more often than females. In general the younger, the more acute the leukemia. Need blood/bone marrow analysis to predict cell type.
Term
acute leukemia
Definition
___ leukemia presents with weakness, fever, headache, lymphadenopathy and anemia. The spleen, liver, kidneys and other organs may enlarge because of infiltrates. Hemorrhages and petecchiae due to thrombocytopenia. Infections often cause death.
Term
acute myelogenous leukemia (AML)
Definition
___ ___ leukemia has non-lymphoid lineages. It contains myeloid, monocytic, erythroblastic and megakaryocytic cells. It occurs mainly in adulthood, 70% get remission, 30% survive 3 years.
Term
acute lymphocytic leukemia
Definition
___ ___ leukemia is a disease of children. T-cell differentiation occurs if there is an abnormal t-cell receptor. B-cell differentiation occurs if there is an abnormality of Ig genes. Remission occurs in 90% of kids, 80% of adults.
Term
acute lymphocytic leukemia / t-cell receptor / Ig genes
Definition
___ cause t-cell differentiation in ALL. ___ cause b-cell differentiation in ALL.
Term
chronic aspects of leukemia
Definition
___ leukemia has a slow onset and lymphadenopathy sometimes occurs. Hepatosplenomegaly, enlarged tonsils and salivary glands, bruised skin with nodules or sores, and destructive bone lesions may result in fractures.
Term
Chronic myelogenous leukemia (CML)
Definition
___ ___ leukemia's median age is 60years old, male > females 3:1. Pluripotent stem cell is malignant but not aggressive until blast phase.
Term
pluripotent stem cell
Definition
___ ___ cell is malignant in chronic myelogenous leukemia.
Term
chronic myelogenous leukemia
Definition
Chemotherapy, interferon and marrow transplant are used to treat __ __ leukemia.
Term
chronic lymphocytic leukemia (CLL)
Definition
___ ___ leukemia tends to have slow onset at age 30-50 years. It may progress to a rapidly fatal blast phase. Can have B/T cell type and the overall life expectancy is 2-10years.
Term
viral (HTLV-1/2 target CD4 cells, EBV), environmental (chemicals - benzol/aniline dyes or radiation), chromosomal abnormalities (philadelphia chromosome or trisomy 21)
Definition
The etiology of leukemias can be ___, __ or ___ ___.
Term
lymphoma
Definition
___ is a malignancy of WBCs that don't circulate. It is usually found in lymph nodes and lymphoid organs.
Term
lymphoma
Definition
Patients with Sjorgren syndrome, organ transplants, AIDS or congenital immune deficiencies are at an increased risk of ___.
Term
lymphoma
Definition
___ affects the soft tissues of the oral cavity with diffuse non-tender reddish or purple swellings with a boggy consistency on posterior hard palate more often than buccal mucosa or gingivae.
Term
high grade
Definition
Burkitt's lymphoma is a ___ grade non-hodgkin lymphoma. It is a small non-cleaved cell type of lymphoma found within jaws of African children.
Term
burkitt's lymphoma
Definition
___ lymphoma has a starry sky histological appearance.
Term
MALT (mucosa-associated lymphoid tissue)
Definition
___ lymphomas are low-grade lymphomas localized to mucosa. Lymphoproliferative disease of palate is a precursor.
Term
lymphoproliferative disease of palate
Definition
___ is a precursor of MALT lymphoma.
Term
hodgkin lymphoma
Definition
Reed-Sternberg cells are found in malignancies of ___ lymphoma.
Term
hodgkin lymphoma
Definition
___ lymphoma affects males > females and the incidence peaks in 20s and 50s. It affects lymph nodes exclusively and is uncommon in the oral cavity.
Term
hereditary
Definition
___ is familial; inherited from parents.
Term
congenital
Definition
___ is present at birth, but not necessarily inherited.
Term
Penetrance
Definition
___ is the percentage of individual carrying autosomal dominant gene and expressing the trait.
Term
variable expressivity
Definition
___ ___ is the variable expression of autosomal dominant trait in affected individuals.
Term
point mutation
Definition
___ mutation is the substitution of a single base pair.
Term
mutation
Definition
___ is any permanent change in DNA.
Term
frameshift mutation
Definition
___ mutation is when there is an insertion or deletion of 1 or 2 base pairs.
Term
trinucleotide repeat
Definition
___ ___ mutation is the amplification of a sequence of 3 nucleotides.
Term
Autosomal dominant
Definition
Autosomal ___ mendelian disorders ares ones in which everyone who carries the gene is affected.
Term
autosomal dominant
Definition
In autosomal ___ disorders, usually one parent is affects and the other parent is normal. Sometimes the mutation is sporatic and neither parent carries it, but both parents are rarely affected.
Term
autosomal dominant
Definition
Autosomal ____ disorders usually involve structural or regulatory proteins. Males and females are affected equally and each pregnancy has at least 50% risk of affect child. Non-affected children are not carriers.
Term
recessive
Definition
Autosomal ___ disorders are when both copies of gene must carry the mutation for it to be expressed.
Term
autosomal recessive
Definition
In autosomal ___ disorders, if the mutation is expressed, all offspring will inherit the defective gene (since both copies of the gene are affected). If only one copy is affect, the patient is a carrier.
Term
Autosomal recessive
Definition
Autosomal ___ disorders are often enzyme proteins rather than structural proteins. They include most inborn errors of metabolism and the age of onset is usually young.
Term
x-linked (sex-linked) disorders
Definition
___ disorders are usually recessive. They are fully expressed in males, but heterozygous females usually express disease partially.
Term
lyon effect
Definition
The ___ ___ is present in x-linked disorders. Female has 2X chromosomes, but one is inactivated. If the active X chromosome carries the mutation, it will express it.
Term
structural protein
Definition
Marfan Snydrome, Ehlers-Danlos syndrome and Osteogenesis imperfecta are examples of mendelian diseases with mutations in the ___ ___.
Term
Marfan syndrome (defective fibrillin -- important in collagen leading to weak connective tissue)
Definition
___ ___ is a heritable disorder of the connective tissue. It affects many organ systems (skeleton, lungs, eyes, heart, blood vessels) and is an autosomal dominant disorder of structural proteins.
Term
fibrillin
Definition
Marfan syndrome is a mendelian disease caused by a mutation in structural protein leading to defective ____.
Term
marfan syndrome
Definition
Mitral valve prolapse, weak aorta, tall, scoliosis, losse joints, nearsighted and dislocated lenses are characteristics of ___ ___.
Term
Abraham Lincoln!!
Definition
Who is the stereotypical patient with Marfan Syndrome?
Term
Ehlers-Danlos syndrome (soft, velvet-like skin, bruise easily, severe scarring, slow/poor wound healing)
Definition
____ ____ is a heterozygous group of heritable connective tissue disorders characterized by joint hypermobility, skin extensibility and tissue fragility.
Term
Ehlers-Danlos syndrome
Definition
TMJ dislocations, joint pain and early onset osteoarthritis are characteristics of which Mendelian disease.
Term
Ehlers-Danlos syndrome
Definition
Blue sclera is a characteristic of which Mendelian disease with autosomal dominant and autosomal recessive types?
Term
osteogenesis imperfecta
Definition
___ ___ is also known as brittle bone disease. blue sclera and dentinogenesis imperfect are characteristics.
Term
Familial Hypercholesterolemia
Definition
___ ___ is the most common Mendelian disorder which is caused by a mutation for LDL receptor on hepatocytes leading to LDL accumulating in plasma.
Term
cystic fibrosis
Definition
___ ___ is autosomal recessive and is the most common lethal genetic disease in Caucasians.
Term
cystic fibrosis
Definition
___ ___ is caused by a defect in chloride transport protein. Patients present with salty sweat and thick mucous secretions in the pancreas, lungs and salivary glands.
Term
cystic fibrosis
Definition
___ ___ may lead to diabetes due to atrophy of the pancreas.
Term
meconium ileus... it can also occur in adults and is called acquired segmental megacolon
Definition
___ ___ is the obstruction of the intestine in a newborn with cystic fibrosis.
Term
Rb, NF-1, p53
Definition
The tumor suppressor gene ___ prevents retinoblastoma. Gene ____ prevents neurofibromatosis type I. Gene ___ prevents most human cancers and many oral carcinomas. If these are mutated twice, the neoplasms will occur.
Term
enzyme proteins
Definition
Galactosemia, glycogen storage disease and lysosomal storage disease are mutations in ___ ___. Most are autosomal recessive and the parents are usually unaffected carriers.
Term
galactosemia
Definition
___ is caused by missing step of the enzymatic process that converts lactose to glucose/galactose.
Term
tay-sachs disease
Definition
____ disease is a lysosomal storage disease. It is prominent in Ashkenazic Jews and French Canadians.
Term
Niemann-Pick disease
Definition
____ disease is a lysosomal storage disease caused by a deficiency in sphingomyelinase causing sphingomelin to accumulate in macrophages, neurons and other cells causing them to look foamy.
Term
gaucher's disease
Definition
___ disease is a lysosomal storage disease caused by a defective enzyme glucocerebrosidase leading to foamy cells.
Term
mucopolysaccaridoses
Definition
____ is a lysosomal storage disease with hurler syndrome and hunter syndrome as two subtypes.
Term
mucopolysaccharidoses
Definition
___ is also called gargoylism due to the coarse face and skeletal anomalies caused by the defective degradation of mucopolysarrharides.
Term
gout
Definition
___ is the disorder of uric acid metabolism. It creates inflammatory foci called tophi.
Term
gout
Definition
Risk factors for ___ include obesity, HTN and alcohol use. It is treated with colchine and probenecid or allopurinol.
Term
monosomy, trisomy, mosaicism
Definition
___ is one less normal chromosome (2n-1).
___ is one more extra chromosome (2n+1).
___ is one or more populations of cells, some with normal numbers of chromosomes and others with extra or missing chromosomes.
Term
numerical
Definition
___ cytogenic abnormalities result from errors during cell division. Imbalances are better tolerated in sex chromosomes.
Term
structural
Definition
___ cytogenic abnormalities include translocation in which a gene transfers from one chromosomes to another.
Term
numeric, structural
Definition
Down syndrome is a ___ cytogenic abnormality. Burkitt lymphoma and CML are ___ cytogenic abnormality.
Term
downs syndrome (trisomy 21)
Definition
Fissured / enlarged tongue, open mouth, narrow palate, bifid uvula, tooth malformations and rampant periodontitis are oral findings of ___ ___.
Term
klinefelter syndrome
Definition
XXY males (usually XY) have ____ syndrome.
Term
Turner syndrome
Definition
Women lacking part of X chromosome have ___ syndrome.
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