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RBC Morphology
Hematology1 test on RBC Morphology DelTech Owens
| Question | Answer |
|---|---|
| Anisocytosis means that the blood cells are different in __. | Size |
| Poikilocytosis means that the blood cells are different in __. | Shape |
| A measure expressed in % of the variation in the red blood cell volume distribution is called _ _ _ _. | Red cell distribution width |
| Normal range of red cell distribution width is __. | 11.5 - 16% |
| Microcytes are __ than normal RBCs. | smaller |
| Macrocytes are __ than normal RBCs. | larger |
| RBCs with hypochromia are __ in color than normal RBCs. | lighter |
| Hypochromia indicates that RBCs are suffering from decreased __. | Hemoglobin |
| Polychromasia means the RBCs have more __ variation than normal. | color |
| What is another word for target cells? | Codocytes |
| Normal RBCs are bi-concave disks, while sphereocytes are __ shaped. | spherical (like a ball instead of being bi-concaved) |
| Another word for tear drop cells is __. | dacrocytes |
| How can you tell a dacrocyte that has formed due to blood smearing and not due to disease or dysfunction in the body? | If dacrocytes form due to smearing, all the tails will be pointing the same way. |
| Ovalocytes are shaped like an __. | oval |
| Elliptocytes are similar to ovalocytes, but their distortion in shape is __ than an ovalocyte. | greater |
| Stomatocytes have a pale __ through the center instead of a pale disk. | slit |
| Another word for sickle cells is __. | drepanocytes |
| An acanthrocyte refers to a __. | form of red blood cell that is spiked, or possesses various abnormal thorny projections |
| Echinocytes are similar to acanthrocytes, but are __ severe. | less |
| Another word for burr cells is __. | echinocyte |
| A schistocyte is another kind of blood fragment, but it is __ than a acanthrocyte. | smaller |
| A true schistocyte does not have __ __. | central pallor. |
| Helmet cells are also called __ __. | bite cells |
| Blister cells are precursors of __ __ and have bubble on one side. | helmet or bite cells |
| One variation in RBC distrubution is called agglutination. Agglutination means the RBCs have __ together. | stuck, or clumped, together |
| Rouleaux is another form of variation in RBC distribution. When rouleaus presents itself, it means that the cells have lined up like __. | coins or dishes |
| Howell-Jolly bodies are traces of ___ that show up as a single __ in the cells on the blood smear. | DNA dot |
| In a basophilic stippling, the DNA presents as __ on the periphery of the cell. | dots |
| Another way to describe pappenheimer bodies is __ __. | siderotic granules |
| 2 causes of basophilic stipplings include: | Lead poisoning and chemotherapy |
| Pappenheimer bodies are abnormal granules of __ found inside red blood cells. | iron |
| Pappenheimer bodies present as tiny dots, like Howell-Jolly bodies, but there are __ dots. | more |
| A __ is a single round dense structure with a regular border, as opposed to the Pappenheimer bodies, which are frequently multiple inclusions with irregular borders. | Howell-Jolly body |
| Heinz bodies are similar to helmet cells in shape, but are __ severe. | less |
| Cabot rings are __ __ in color when stained. | red violet |
| Cabot rings appear as threadlike strands in the shape of a __ or __ of an RBC. | loop, figure-8 |
| Hemoglobin c crystals appear as _ shaped areas light in color. | C |
Created by:
IsaacJ
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