BIO 253 EXAM 3 LATEST 2023-2024 ACTUAL EXAM 100
QUESTIONS AND CORRECT DETAILED ANSWERS WITH
RATIONALES |AGRADE
What happens when rbc break down - ANSWER- When dead they transport to the spleen
Iron And hemoglobin break apart resulting in biliruben
Biliruben released in to the plasma and recirculated to the liver
What antigens does type a blood have and antibodies - ANSWER- Antigen a B antibodies
What antigens does type b blood have and antibodies - ANSWER- B antigens A antibodies
What antigens does type AB blood have and antibodies - ANSWER- Type AB antigens
No antibodies
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What antigens does type o blood have and antibodies - ANSWER- No antigens
A and b antibodies
five leukocytes - ANSWER- neutrophils, lymphocytes, monocytes, eosinophils, basophils
neutrophils function: inflammatory response - ANSWER- Cellular
defense 65% wbc
Eosinophil function - ANSWER- Cellular defense parasitre worms allergic reaction
Basophil function - ANSWER- release histamine and other mediators of inflammation; contain heparin, an anticoagulant
Lymphocytes functions are? - ANSWER- destroy cancer cells, present antigens to activate other cells in immune system, secrete antibodies, and serve in immune memory
Monocytes funtion - ANSWER- Largest wbc mobile and highly phagocytic
Orgin and function of platelet - ANSWER- Homeostasis 2 / 3
Major propertire: agglutination, adehesiveness and aggregation
Starts in bone marrow
Process of hemostasis and clot dissolution - ANSWER- Vasoconstriction causes temp closure of vessel and lessens blood loss
Platelets plug formation after damage or injury
Sticky platelets form plug
Coagulation 3 step
Fibrinolysis
Plasim released by damaged crlls to dissolve clot
Structure and function or pericardial sac - ANSWER- Double wall sac contained the heart and roots of great vessel
- layers fibrous and serious
Enclosed pericardial cavity which contains pericardial cavity
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