Ch. 10 & 11 Quiz Flashcards
What would result from a reduced number of erythrocytes in the blood?
Decreased hematocrit
Capillary walls consist of:
a single endothelial layer.
Chronic blood loss causes anemia because of the:
smaller amount of recycled iron available.
Describe the characteristic erythrocyte associated with pernicious anemia
Megaloblastic or macrocytic nucleated cells
What are the typical early general signs and symptoms of anemia?
Pallor, dyspnea, and fatigue
What causes numbness and tingling in the fingers of individuals with untreated pernicious anemia?
Vitamin B12 deficit causing peripheral nerve demyelination
_____________ is present with pernicious anemia
Hypochlorhydria
[deficiency of stomach acid]
In individuals with pernicious anemia, antibodies form to:
intrinsic factor or parietal cells.
What occurs when disseminated intravascular coagulation develops?
Multiple thrombi and deficit of clotting factors
Multiple opportunistic infections develop with acute leukemia primarily because:
many circulating leukocytes are immature.
Von Willebrand disease is caused by:
absence of a clotting factor that helps platelets clump and stick.
Multiple myeloma is a malignant tumor involving:
plasma cells.
Iron deficiency anemia frequently results from any of the following EXCEPT:
excessive menstrual flow.
certain vegetarian diets.
diabetes mellitus.
malabsorption syndromes.
diabetes mellitus.
A high percentage of blast cells in the leukocyte population indicates a poor prognosis for an individual with:
acute myelogenous leukemia (AML).
In which blood dyscrasia does pancytopenia develop?
Aplastic anemia
