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49 Cards in this Set

  • Front
  • Back
What are the main supplemental diagnostic aids that Dr. Panza listed?
radiography, tissue biopsy, oral exfoliative cytology, routine hematology screening, hemostasis testing
which supplemental aid provides hidden information that does not replace clinical evaluation?
what does a tissue biopsy specimen sample contain?
a sample of the lesion, a border and normal tissue
what types of tissue biopsies are commonly used?
incisional, excisional, punch, needle biopsies
what type of tissue biopsy is used for deep lesions, not for wide ones?
punch biopsy
what are the indications for a tissue biopsy?
observed signs, to confirm clinical diagnosis
what are the major contraindications for tissue biopsy?
systemic health risk of the patient, or clinically obvious malignant neoplasm would delay definitive care
what does the tissue biopsy report include?
brief pt history, description of the lesion size, shape, location, color and consistency, andd the impression of pathologist to complete diagnosis
what is the test performed by examining surface cells removed from the oral mucosa by scraping?
oral exfoliative cytology
what test is used for pts who are a poor risk for biopsy surgery or those who refuse it?
oral exfoliative cytology
oral exfoliative cytology test provides the same information as what?
what test should be done if a malignancy exists in an oral exfoliative cytology report?
these supply oxygen to the tissues
these play a role in immunologic defense
these function in hemostasis
a routine hematology screening consists of what 6 things?
RBC count
Erythrocyte sedimentation rate
white blood cell count
differential white blood cell count
what stimulates RBC production?
anemia and hypoxia
abnormally high RBC values are called what?
what could cause abnormally low RBC values in anemic pts?
blood loss, heymolysis, or bone marrow failure
volume of packed erythrocytes per 100 mL blood
which is more precise: hematocrit or RBC count?
high hematocrit value is called
low hematocrit value is called
amount of hemoglobin indicates what?
oxygen carrying capacity of blood
hemoglobin normal values
male: 13.5-18 g/100mL
female: 12-16
RBC count normal values
male: 4.6-6.2 million/microliter
female: 4.2-5.4
hematocrit normal values
male: 40-64%
female: 38-47%
increase in circulating fibrinogen causes an increase in what?
blood viscosity
what slows the sedimentation rate of erythrocytes?
increase in circulating fibrinogen
what indicates speed with which erythrocytes settle?
erythrocyte sedimentation rate
WBC count is a total count of what cells?
neutrophils, eosinophils, basophils, lymphocytes, and monocytes
neutrophils, eosinophils, basophils, and monophils are formed where?
bone marrow
low WBC count levels could be due to what?
bone marrow depression, aplastic anemia, drug rxns, and certain viral infections
high WBC count values could be due to what?
leukemia, polycythemia, infections disease
a differential white blood cell count is obtained from what?
a peripheral blood smear
neutro, eosino, baso, mono, and lympho are counted as what in differential WBC count?
a percentage of WBC count
in a differential WBC count, immature neutrophils are?
in a differential WBC count, mature neutrophils are?
high band values are due to
bone marrow response to acute infection
low band values due to
bone marrow depression
high lymphocyte values due to
lymphocytic leukemia, chronic or viral infections or mononucleosis
low lymphocyte values seen in
aplastic anemia and myelogenous leukemia
high monocyte values seen in
monocytic leukemia, Hodgkin's disease, TB, SBE
low monocyte values seen in
aplastic anemia
high eosinophil values due to
allergic reactions, possible parasitic disease, malignant lymphoma, Hodgkin's disease
low eosinophil values due to
aplastic anemia, stress or cortisone therapy
high basophil values indicate
myeloproliferative disease
low basophil values may indicate
on-coming anaphylactic rxn
what is included in a hemostasis test?
platelet count
bleeding time
prothrombin time
partial thromboplastin time
international normalized ratio