Hematologic System
What is erythropoiesis?
Production of RBCS
Normal hemoglobin level is
12-18
What is another name for a RBC?
Erythrocyte
Formed elements & plasma
Which of the following is NOT a function of blood?
A. transport nutrients
B. move blood gases
C. regulate body temperature
D. regulate infection
D
Where does erythropoiesis occur?
Kidneys
Normal WBC level
4500-11000
What should the patient take ferrous sulfate (iron) with and what should they avoid?
Take with Vit c (OJ), avoid calcium (milk)
What is the job of the most numerous type of blood cell?
Deliver O2 to tissues
Which of the following make up the lymphatic system?
A. Lymph nodes
B. Thymus
C. Lymph channels
D. Spleen
E. Kidneys
A-D
What are the job of platelets?
Maintain homeostasis by clotting
Normal RBC level
4.2-6.2 million
What quadrant is the spleen located in?
LUQ
How long does a RBC live?
~120 days
Which of the following are age related changes in the hematologic system?
A. decrease in blood volume
B. increased clotting time
C. increase rate of blood cell production
D. Decrease in bone marrow
A, B, D
What is the job of the spleen?
Reservoir for extra blood
Normal platelet level
150k-400k
What blood type is the universal donor?
O-
What WBC will be elevated during an allergic reaction?
Eosinophils
Which of the following could cause hemorrhage?
A. trauma
B. child birth
C. blood transfusion
D. GI bleed
A, B, D
What is one major S/S of anemia that nursing interventions should be planned around?
Fatigue
Thrombocytopenia
Immature granulocytes are called "__________" and are elevated in an ongoing bacterial infection
bands
How many mL blood loss from the upper GI tract must occur for melena to appear?
50-70mL
Which nutritional deficiencies can interfere with erythropoiesis?
A. Low protein
B. Lack of vitamin C
C. Low fat
D. Lack of vitamin D
A, B