Chapters 6 and 7 Flashcards
(23 cards)
What does macrocytic?
Larger than normal
What does normocytic mean?
Normal size
What does microcytic mean?
Smaller than normal
What does anisocytosis mean?
Abnormal variation in sizes.
What does poikilocytosis mean?
Abnormal shapes.
Normal RBCs are….
anuclear, bin-concave disks with a central pallor.
Normal central pallor is about…
1/3 the diameter of the RBC
RBCs are routinely examined with the _____________ stain.
Romanowksy
What does a blister cell (basket cell) look like?
Vaculolated RBCs associated with physical trauma and damaged membranes.
What is the normal WBC range?
4.5 - 11.0
What is the normal RBC range for a male and female?
Male: 4.5 - 5.9
Female: 4.5 - 5.1
What is the normal Hgb range for a male and female?
Male: 14.0 - 18.0 grams/dl
Female: 12.0 - 16.0 grams/dl
What is the normal Hct range for males and females?
Males: 42-50 %
Females: 35-45 %
What is the normal MCV range?
80-90 fl
What is the normal MCH range?
28-33 pg
What is the normal MCHC range?
33.0-36.0 pg
What is the normal RDW range?
11.5-14.5 %
What is the normal Plt range?
150-400
What are three general causes of anemia? What are some examples of those causes?
- ) Excessive blood loss - trauma, aneurisms, gastrointestinal bleeding, excessive menstrual bleeding
- ) Decreased RBC production - aplastic anemias (bone marrow disease), nutritional deficiencies (Iron, B12, or folate)
- ) Increased RBC destruction in the marrow or peripheral blood - hemolytic anemias, hemoglobinopathies
What would hemoglobin levels have to be in order for patient to need a blood transfusion?
Less than 9.0 g/dl
How low do hemoglobin levels get if the patient is close to dying?
Less than 5.0 g/dl
If patient needed therapeutic phlebotomy, how high would their hemoglobin levels be?
Greater than 20 g/dl
The body tolerates ___________ blood loss better than __________ blood losses.
chronic, acute