Blood

Question 1

What is blood?

Answer 1

A connective tissue without extracellular matrix

Question 2

What are the components of plasma?

Answer 2

Water (90%)
Electrolytes (Na+, K+, Ca2+, Mg2+, Cl- …)
Nutrients (glucose, lipids, amino acids)
Non-proteins nitrogen substances (urea, uric acid, creatinine etc…)
Gases ( carbon, oxygen, nitrogen)

Question 3

What are the characteristics of neutrophils?

Answer 3

Nucleus in several lobe
Clearly visible granules
Pinkish

Question 4

What are the characteristics of eosinophils?

Answer 4

Bi-lobed nucleus
Same size granules
Red and brown

Question 5

What are the characteristics of basophils

Answer 5

Bi or tri-lobed

Dominant purple granules vary in size

Question 6

What are the characteristics of monocytes?

Answer 6

Large sausage/kidney bean shaped nucleus
no apparent granules
Blueish cytoplasm

Question 7

What are the functions of neutrophils?

Answer 7

Phagocytose foreign substances

Destroy infected cells

Question 8

What are the functions of eosinophils?

Answer 8

Dampen an immune reaction after its peak
Defence against parasites
Allergic reaction and asthma

Question 9

What are the functions of basophils

Answer 9

Allergic reaction and asthma

Release vasoactive substances similar to mast cells

Question 10

What is the function of macrophages?

Answer 10

Phagocytose