BIO 253 EXAM 3 LATEST 2023-2024 ACTUAL EXAM 100 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES |AGRADE

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 - ANSWERAntigen 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 - ANSWERType AB antigens

No antibodies


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


Major propertire: agglutination, adehesiveness and aggregation

Starts in bone marrow

Process of hemostasis and clot dissolution - ANSWERVasoconstriction 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

2 layers fibrous and serious

Enclosed pericardial cavity which contains pericardial cavity


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