Respiratory System (Exam One) Flashcards
What components make up blood?
- Plasma
- Red Blood Cells
- White Blood Cells
- Platelets
What is the normal blood pH?
7.35 - 7.45
What is produced in the red bone marrow?
- Blood cells
- Platelets
What is blood serum?
Plasma without the clotting proteins
White blood cells contain what?
- Granulocytes
- Agranulocytes
What is the normal range for white blood cells (WBC)?
5,000 - 10,000/mm^3
What is the normal range for red blood cells (RBC)?
4.2 - 6.1 x 10^12/L
What is the normal range for hemoglobin (Hgb)?
12.0 - 18.0 g/dL
What is the normal range for Hematocrit (Hct)?
37% - 52%
What is the normal range for platelets?
150,000 - 400,000/mm^3
What is a hematological disorder?
Bleeding disorder
List the three rashes associated with a hematological disorder?
- Petechiae
- Ecchymosis
- Purpura
Is petechiae always associated with a hematological disorder?
No
What are the primary functions of the lymphatic system?
- Maintains blood volumes
- Protects against pathogens
What are lymph nodes?
Masses of lymphatic tissue
Give an example of lymph nodules?
Tonsils
What is the main site for platelet destruction?
Spleen
How does aging affect the lymphatic and hematologic system?
- Less efficient immune response
- Iron deficiency
- Slowed erythrocyte production
- Reduced plasma volume
Older adults are at an increased risk for what?
- Infection
- Anemia
- Dehydration
Coffee ground emesis and black stool is indicative of what?
Bleeding
List coagulation tests?
PT
PTT
INR
What is the normal range for partial thromboplastin time (PTT)?
60 - 70 seconds
What is the normal range for prothrombin time (PT)?
11 - 12.5 seconds
What is the normal range for International Normalized Ratio (INR)?
0.8 - 1.1
The nurse knows the patient should be monitored for what following a bone marrow biopsy?
- Bleeding
- Infection
What is a lymphangiography?
Injection of dye into the lymphatic system
It is important for the nurse to educate the patient on what regarding a lymphangiography?
It will turn the skin, urine, and feces blue for approximately two days
Why are packed red blood cells usually administered?
For anemia or blood loss
When are frozen red blood cells usually administered?
- Autotransfusion
- Prevent febrile reaction
A patient will receive what if they have thrombocytopenia?
Platelets
Fresh frozen plasma provides what?
- Clotting factors
- Volume replacement
Why are cryoprecipitates administered to patients?
Patient is missing specific clotting factors
What blood type is the universal blood donor?
O-
O blood types can only receive what type of blood?
O
What blood type is the universal recipient?
AB+
List the transfusion safety tips?
- Always follow the hospitals verification process
- Fluid compatibility
- Timing
- Filtering
- Washing
- Warming
How many people are needed for verification during a blood transfusion?
At least two
A transfusion patient can only receive what type of fluid?
Normal saline
Each unit of packed red blood cells must be transfused in what amount of time?
2 hours
Blood cannot be transfused longer than ___ _____.
4 hours
Why is filtering important during a blood transfusion?
Removes potential harmful particles
What is the function of washing during a blood transfusion?
- Removes plasma
- Decreases the risk for febrile reaction
When is warming used in a blood transfusion?
- Used when blood must be given quickly
- Prevents hypothermia
What is the most common transfusion complication?
Febrile reaction
The risk of a febrile reaction during a blood transfusion increases with what?
- Prolonged hanging time
- Multiple transfusions
If a febrile reaction occurs, the nurse should do what?
- Stop the infusion
- Contact PCP
- Administer tylenol