1What is anemia?
reduction in the total number of erythrocytes in the circulating blood or in the quality or quantity of hemoglobin
impaired erythrocyte production
acute or chronic blood loss
increased erythrocyte destruction
2What are the physiologic manifestations of anemia?
reduced oxygen-carrying capacity
variable symptoms base on severity and the ability for the body to compensate
3What are the classic anemia symptoms?
fatigue, weakness, dyspnea, and pallor
4What is the compensatory mechanism?
tachycardia
5What is pernicious anemia?
results in vitamin B12 deficiency
beefy red tongue appearance
6What is folate deficiency?
absorption of folate occurs in the upper small intestine
need to take a folate supplement
7What is iron deficiency anemia?
most common type of anemia
progression of iron deficiency causes: brittle, thing, coarsley rigid, and spoon-shaped nails
eat organ meats like liver and heart -> rich in iron
8What is bone marrow aplasia?
decrease in the effective production of mature cells by the bone marrow
9What is posthemorrhagic anemia?
acute blood loss from vascular space
can happen after surgery with significant amounts of blood loss or pregnancy
10What is hemolytic anemia?
accelerated destruction of red blood cells
caused by autoimmune hemolytic anemias and drug-induced hemolytic anemia
11What is polycythemia?
overproduction of erythrocytes
12What is leukocytosis?
normal protective physiologic response to physiolgic stressors
13What is leukopenia?
nor normal and not beneficial
low WBC count = vulnerable to infectious diseases
14What is neutropenia?
reduction in circulation neutrophils
poor attempt to fight infections
15What causes neutropenia?
chemotherapy
prolonged severe infection
decreased production of neutrophils
reduced survival
16What should you teach the patient and their family about with neutropenia?
hand hygiene
17What are leukemias?
malignant disorder of the blood and blood-forming organs
excessive accumulation of leukemic cells
**associated with bone marrow depression**
18What is acute leukemia?
presence of undifferentiated or immature cells, usually blast cells
19What is chronic leukemia?
predominant cell is mature but does not functionnormally
20What is lymphadenopathy?
enlarged lymph nodes that become palpable and tender
21What is thrombocytopenia?
platelet count <150,000
<50,000/mm3 = hemorrhage from minor trauma
<15,000/mm3 = spontaneous bleeding
<10,000/mm3 = severe bleeding
22What is vitamin K necessary for?
synthesis and regulation of prothrombin, the prothrombin factors, and proteins C and S (anticoagulants)--CLOTTING