Respiratory System (Exam One) Flashcards
(116 cards)
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