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BIOL 431 - Blood & Blood Vessels Exam Questions and Answers
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BIOL 431 - Blood & Blood Vessels Exam Questions and Answers
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BIOL 431 - Blood & Blood Vessels ExamQuestions and Answers
What is the function of blood? - Answer-1. Distribution: O2, CO2, wastes, and
hormones.
2. Regulation: Body temp, pH, and fluid volume.
3. Protection: against blood loss and disease.
What is the composition of blood? - Answer-Liquid plasma and formed elements.
Formed elements include:
- Erythrocytes (RBC)
- Leukocytes (WBC)
- Platelets
What are some physical characteristics of blood? - Answer-- Viscous fluid with metallic
taste
- Temperature is 38 degrees C
- 8% of body weight
- 5 to 6L in males, 4 to 5L in females
What is hematopoiesis? - Answer-Blood cell production
What are the five different types of WBC? - Answer-1. Neutrophil
2. Eosinophil
3. Basophil
4. Monocyte
5. Lymphocyte
What is the function of a neutrophil? - Answer-Acts as a phagocyte that aids in fighting
against bacteria and some fungi.
What is the function of an eosinophil? - Answer-Counterattack against parasitic worms.
What is the function of a basophil? - Answer-Releases histamine, causing vasodilation
and attracts WBC to sites of inflammation.
What is the function of lymphocytes? - Answer-T cells destroys infected and cancer
cells.
B cells produces antibodies.
What is the function of monocytes? - Answer-Enters tissues and differentiates into
macrophages.
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