IC1 - Anatomy (Haem)

Question 1

What does blood comprises of?

Answer 1

1. Plasma (50-60%)
2. Formed elements (40-50%) - RBC, WBC, Platelets

Question 2

What is the pH of blood?

Answer 2

7.35 - 7.45

Question 3

What are the components in plasma?

Answer 3

1. Water (92%)
2. Proteins (7%) - albumin, fibrinogens, globulin and regulatory protein
3. Solutes (1%) - Organic waste, nutrients and electrolytes

Question 4

What are the 3 blood cells in the body?

Answer 4

1. Erythrocytes
2. Leucocytes
3. Thrombocytes

Question 5

Describe RBC

Answer 5

Biconcave, lack nucleus, contains Hemoglobin

Question 6

What are the two categories of WBC?

Answer 6

1. Granulocytes (Neutro, Baso, Eosinophils)
2. Agranulocytes (Lympo, Monocytes)

Question 7

Describe Neutrophils

Answer 7

nucleus segmented into 3 to 5 lobes with pale granules filled cytoplasm

Question 8

Describe Eosinophils

Answer 8

Bilobed nucleus with reddish-orange granules in cytoplasm

Question 9

Describe Basophils

Answer 9

Deep purple/ blue granules in cytoplasm with obscured bilobed nucleus

Question 10

Describe Monocytes

Answer 10

Large oval or kidney-shaped nucleus

Question 11

Describe lymphocytes

Answer 11

Big nucleus with thin layer of clear cytoplasm

Question 12

What is a platelet?

Answer 12

It is a flattened disk-like cell fragment involved in blood clotting

Question 13

Describe the appearance of platelets on a blood smear stain.

Answer 13

Non-nucleated, purple, granular

Question 14

What is/are the purpose(s) of the red bone marrow?

Answer 14

Hematopoiesis and removal of worn out RBC

Question 15

Which of the bones does hematopoiesis occur in when one ages?

Answer 15

Flat or irregular