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Clin Lab Proced.07
Homework Packet #7
Question | Answer |
---|---|
The _______________ portion of the cell surrounding the nucleus is the cytoplasm. | Fluid |
The _______________ is the central structure of a cell that contains DNA and controls cell growth. | Nucleus |
A chemical used to prevent deterioration of cells and tissues is a _______________. | Fixative |
A buffer is a chemical substance that lessens the change in _______________ of a solution when acid or base is added. | pH |
Blood cell production can be evaluated by examining _______________. | Bone marrow |
After slides are cleaned and polished, they can be stored in 95% _______________ until use. | Ethanol |
A _______________ is an immature granulocyte with a non-segmented nucleus. | Band cell |
A leukocyte containing dark staining granules in the cytoplasm is a ________________. | Basophil |
An _______________ is a leukocyte containing bright orange granules in the cytoplasm. | Eosinophil |
A small leukocyte having a round or oval nucleus, basophilic cytoplasm, and plays a vital role in the immune process is called a _______________. | Lymphocyte |
A neutral-staining leukocyte, usually the first line of defense against infections, is called a _______________. | Neutrophil |
A _______________ is a large bone marrow cell from which platelets are derived. | Megakaryocyte |
A clear, membrane-bound compartment in a cell cytoplasm is called a _______________. | Vacuole |
An immature _______________ is also known as a band. | Neutrophil |
_______________ is a marked variation in sizes of erythrocytes when observed on a peripheral blood smear. | Anisocytosis |
_______________ describes red cells that have reduced color or hemoglobin content. | Hypochromic or (Hypochromia/Hypochromatic) |
A determination of the relative numbers of each type of leukocyte in a stained blood smear is called the _______________. | WBC Differential Count |
Poikilocytosis is a significant variation in the shape of _______________. | Erythrocytes |
The five types of leukocytes, as well as erythrocytes and platelets, all originate from hemopoietic _______________. | Stem cells |
An increase in lymphocytes and in "atypical" lymphs is found in the patient condition ____________________. | Infectious Mononucleosis |
Folic acid deficiency can cause _______________ red blood cells. | Macrocytic |
A blast cell is an immature blood cell that is normally found in the _______________. | Bone marrow |
_______________ is an abnormal increase in the number of eosinophils in the blood. | Eosinophilia |
A shrunken red blood cell with scalloped or toothed margins is known as a _______________ cell. | Crenated |
Vitamin _______________ is essential to the proper maturation of blood and other cells in the body. | B12 |
A _______________ describes the appearance of an increased number of immature neutrophil forms in the peripheral blood. | Shift to the left |
A reticulocyte is an immature erythrocyte that has retained _______________ in the cytoplasm. | RNA |
A dye that stains living cells or tissues is a _______________ stain. | Supravital |
An increase above the normal number of reticulocytes in the circulating blood is called _______________. | Reticulocytosis |
The number of reticulocytes divided by the number of red cells counted is expressed as the _______________. | Percent Reticulocyte (% Reticulocyte) |
The reaction of tissue to injury is called _______________. | Inflammation |
_______________ is an excess of RBCs in the peripheral blood. | Polycythemia |
The ESR rest is based on the principle of solid particles falling to the bottom of a liquid, a process called _______________. | Sedimentation |
In abnormal blood, the erythrocytes sometimes form aggregates resembling stacks of coins called _______________. | Rouleaux |
The total substances making up a mass is called an _______________. | Aggregate |
_______________ are proteins that increase in serum during acute infection or inflammation. | Acute Phase Proteins (APP) |
Results of the Westergren ESR are reported in _______________. | mm/hr (millimeters/hr) |
Blood specimens from a patient with polycythemia would be expected to show an _______________ ESR. | Decreased or low |
GAUGE | A measure of the diameter of a needle. |
HEMOCONCENTRATION | Increase in the concentration of the cellular elements in the blood. |
LUMEN | The open space within a tubular organ or tissue. |
FIXATIVE | A chemical that prevents deterioration of cells or tissues. |
MORPHOLOGY | The form and structure of cells, tissues, and organs. |
BASOPHILIC | Having affinity for the basic stain; blue in color. |
ERYTHROCYTE INDICES | Calculated values that compare the size and hemoglobin content of the red blood cells in a blood sample to reference values. |
FEMTOLITER (fL) | A unit of volume which is 10^-15 L. |
FOLIC ACID | A member of the B vitamin complex. |
HOWELL-JOLLY BODY | Nuclear remnant remaining in red blood cells after the nucleus is lost, commonly seen in pernicious anemia and hemolytic anemia. |
THALASSEMIA (or Sickle Cell Anemia) | An inherited condition in which abnormal hemoglobin is produced, resulting in anemia. |