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BIOS 255 Exam 4 ( Latest 2024 / 2025 ) Actual Questions and Answers 100% Correct
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BIOS 255 Exam 4 ( Latest 2024 / 2025 ) Actual Questions and Answers 100% Correct
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BIOS 255 Exam 4By ExamNavigator
, BIOS 255 Exam 4
1. What makes up blood Plasma?
Answer:
protein, water, nutrients, wastes and electrolytes.
plasma makes up about 55% of blood.
2. Buffy Coat
Answer: Middle layer of centrifuged blood with less than 1% composition,containing white
blood cells (WBCs) and platelets.
3. Hematocrit (Erythrocyte)
Answer: Lowermost layer of centrifuged blood, constituting45% of red blood cells (RBCs).
4. Albumin
Answer: Constitutes 60% of plasma proteins, influencing the viscosity and osmolarity of
blood.
5. Hemoglobin
Answer: Iron-containing protein in RBCs binding oxygen and globin.
6. Neutrophils
Answer: Type of white blood cells (WBCs) accounting for 60%, involved inphagocytosis
during bacterial infections.
7. Lymphocytes
Answer: White blood cells (WBCs) accounting for 30%, including T andB-cells for immune
responses.
8. Monocytes
Answer: White blood cells (WBCs) accounting for 8%, functioning asmacrophages in
phagocytosis.
9. Basophils
Answer: White blood cells (WBCs) accounting for >1%, involved in allergicreactions by
secreting histamine and heparin.
10. Anticoagulants
Answer: Substances like Heparin that inhibit blood clotting
11. Thrombosis
Answer: Formation of a blood clot inside a blood vessel
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