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Ch. 30: Hematopoietic and Lymphatic Disorders
Terms in this set (12)
Normal Values of Hemoglobin
In adults the normal value of hemoglobin is 12.0 to 17.4 g/dL.
Platelets or thrombocytes circulate in the blood and usually range from
150,000 to 350,000 / mm^3 in number.
WBC's or Leukocytes normal count is between
5,000 and 10,000 /mm^3.
An increased number of leukocytes is called
A decreased number of leukocytes is called
What are the four blood type groups? What are they determined by?
A, B, AB, and O. They are determined by heredity.
How is blood type ascertained?
By identifiying the protein (antigen) on the red cell membranes.
Which blood types have antigens and which do not?
Blood type A, B and AB all have antigens. Type O has no antigens.
How does the presence of antigens affect if you can get a transfusion from certain blood types?
Antibodies (immunoglobulins) in plasma react against antigens that do not match themselves. Since O has no antigens, it is considered a universal blood type for transfusions. However, if you are Type O, you can only receive Type O.
What types of Rh factor are there? And how does it affect blood compatibility?
The Rh factor is a specific protein where if present, the person is Rh positive. If the protein is not present, they are Rh negative. People with Rh positive blood can receive Rh positive or Rh negative because negative indicates an absence. However, those with Rh negative cannot receive Rh negative positive in any case.
Nursing guidelines assisting with bone marrow aspiration
1. Inform client of the plan and time for aspiration. Allow time to answer questions. 2. Witness the client signature on a consent form for the procedure and conscious sedation. 3. Check record for history of allergies and coagulation studies. 4. Obtain tools for aspiration and local anesthetic. 5. Determine site for aspiration. 6. Attach pulse ox to monitor O2. 7. Position the client. 8. Cleanse, clip hair, drape skin at site. 8. Suggest distraction, aspiration can take 20 minutes. 9. Administer analgesia. 10. Be prepared to slide up the aspirate. 11. Label biopsies. 12. Standard contact precautions. 13. Direct pressure after needle withdrawn. 14. Instruct client to lie on unaffected side for 10 minutes. 15. Monitor for bleeding. 16. Report prolonged bleeding, unusual pain, fever or infection. 17. Delay showering for 24 hours.
Globulins primary function
Globulins are divided into three groups: alpha, beta, and gamma. The gamma globulins are also called immunoglobulins. Globulin function primarily as immunologic agents; they prevent or modify some types of infectious diseases. Like albumin, they help maintain osmotic pressure in the vascular compartment.
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