Test 2 Ch 17-22 Flashcards
Largest lymphoid organ in body?
Spleen
These blood cells are important in fighting parasitic infection
Eosinophils
What is the muscular layer of blood vessels?
Tunica media
These cells can enter the tissues as macrophages and are important in chronic infections
Monocytes
What % of blood is plasma
55%
Least dense component
90%water
Contains over 100 dissolved solutes
What are types of capillaries
1) continuous
2) fenestrated
3) sinusoidal
Not= ELASTIC
What are 3 types of granulocytes ?
Basophils
Neutrophils
Eosinophils
Not= monocytes
Once fluid enters the lymphatic system it is called ?
Lymph
What is the Buffy coat made up of ?
Leukocyte and platelets
Less than 1% of whole blood
Erythrocytes are _____ % of whole blood
45%
Most dense component
Functions of blood:
Distribution: deliver O2 from lungs and nutrients from digestive tract to body cells
Regulation: maintaining body temp, pH, adequate fluid level in circulatory system
Protection: Preventing blood loss
Preventing infection
What is albumin?
60% of plasma protein
Major blood protein contributing to plasma osmotic pressure
Acts as carrier to shuttle certain molecules through circulation
Important buffer
What is the hematocrit ?
Total amount of erythrocytes in total volume of blood sample
Renal corpuscle
Bowmans capsule
