Blood Lab

Question 1

What are the 3 functions of blood?

Answer 1

Transportation, Regulation, and Protection

Question 2

Blood pH (slightly basic) =

Answer 2

7.35 - 7.45

Question 3

How many liters of blood are in females?

Answer 3

4-5 liters

Question 4

How many liters of blood are in males?

Answer 4

5-6 liters

Question 5

List examples of what blood transports

Answer 5

O2, CO2, nutrients, waste, hormones, and stem cells

Question 6

List examples of what blood regulates

Answer 6

pH, osmotic pressure, body temperature

Question 7

List examples of how blood protects

Answer 7

white blood cells, antibodies, clotting factors

Question 8

Blood is described as:

Answer 8

a type of connective tissue that is classified by cells separated by a non-living matrix

Question 9

The non-living matrix of blood is known as:

Answer 9

Plasma

Question 10

Plasma is composed of:

Answer 10

91.5% water

Question 11

Plasma contains:

Answer 11

proteins, electrolytes, nutrients, waste products, respiratory gases, hormones

Question 12

• 4 to 6 million per mm3 of blood
• Main goal is to carry O2 and CO2
• Biconcave; no nucleus or organelles; live 100 to 120 days then fragment and get destroyed in the spleen and other reticuloendothelial tissues

Answer 12

Erythrocytes (RBCs)

Question 13

WBCs that look grainy after Wright’s stain are called

Answer 13

granulocytes

Question 14

The WBCs that are granulocytes are:

Answer 14

Neutrophils, Eosinophils, and Basophils

Question 15

The WBCs that are agranulocytes are:

Answer 15

Lymphocytes and Monocytes

Question 16

Most abundant of WBCs; nucleus consists of 3 to 6 lobes with fine cytoplasmic granules; function as an active phagocyte

Answer 16

Neutrophils (40-70%)

Question 17

Nucleus is typically figure 8 shaped or bilobed; has large cytoplasmic granules; attack parasitic worms, and are involved in allergies and asthma

Answer 17

Eosinophils (2-4%)

Question 18

Least abundant leukocyte; large S or U shaped nucleus with two or more indentations; its cytoplasm has course, sparse granules; granules contain several chemicals such as histamines

Answer 18

Basophils (0.5-1%)

Question 19

Smallest of the leukocytes; Nucleus makes up most of its cell mass

Answer 19

Lymphocytes (20-40%)

Question 20

Lymphocytes are divided into two types:

Answer 20

B-Lymphocytes and T-Lymphocytes

Question 21

Largest of the leukocytes; Nucleus is typically kidney shaped; Within tissues, they convert to macrophages; they are responsible for chronic infections

Answer 21

Monocytes (3-8%)

Question 22

Platelets are cell fragments of

Answer 22

megakaryocytes