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Blood Processes

Total questions: 16

Worksheet time: 8mins

Name
Class
Date
1.

Hematopoiesis = _________.

a)

the process of blood cell formation

b)

the breakdown of glucose

c)

the process of nerve impulse transmission

d)

the filtration of waste in kidneys

2.

Where does hematopoiesis occur?

a)

In red bone marrow of adults

b)

In yellow bone marrow of adults

c)

In the liver of adults

d)

In the spleen of adults

3.

All formed elements are derived from a common ________ cell (called a hemocytoblast).

a)

stem

b)

nerve

c)

muscle

d)

epithelial

4.

Hemocytoblasts differentiate into ________ stem cells which create lymphocytes and myeloid stem cells which create all other types of blood cells.

a)

monocyte

b)

erythroid

c)

megakaryocyte

d)

lymphoid

5.

________ are the stimulating factor for producing blood cells.

a)

Hormones

b)

Enzymes

c)

Vitamins

d)

Minerals

6.

Which hormones stimulate the production of: Red blood cells - ________?

a)

erythropoietin

b)

insulin

c)

thyroxine

d)

cortisol

7.

Which hormones stimulate the production of: White blood cells - ________?

a)

colony stimulating factors (CSFs) & interleukins

b)

insulin & glucagon

c)

thyroxine & calcitonin

d)

adrenaline & cortisol

8.

Which hormones stimulate the production of: Platelets - ________?

a)

thrombopoietin

b)

erythropoietin

c)

insulin

d)

cortisol

9.

When a blood vessel is injured, ________ begin the process of forming a blood ________ (called hemostasis).

a)

platelets, clot

b)

red blood cells, scab

c)

white blood cells, plug

d)

plasma, seal

10.

The steps in the hemostasis process are:

a)

Vascular spasm, platelet plug formation, coagulation

b)

Vasodilation, red blood cell aggregation, fibrinolysis

c)

Leukocyte migration, antibody production, clot dissolution

d)

Capillary dilation, plasma leakage, tissue regeneration

11.

Sometimes an abnormal clot forms within a blood vessel. This is called a ________.

a)

thrombus

b)

embolus

c)

aneurysm

d)

hematoma

12.

If the thrombus dislodges and floats through the blood, it is called an ________.

a)

embolus

b)

plaque

c)

aneurysm

d)

hematoma

13.

How does an abnormal clot affect the body?

a)

They can restrict the flow of blood, causing stroke, heart attack or death.

b)

They help in faster healing of wounds.

c)

They increase the oxygen supply to tissues.

d)

They improve the flexibility of blood vessels.

14.

All formed elements are produced through the process of ________ from hemocytoblasts. These processes are stimulated by ________.

a)

hematopoiesis, hormones

b)

erythrocytosis, enzymes

c)

leukopoiesis, vitamins

d)

thrombopoiesis, minerals

15.

Hemostasis, the process of blood clotting, involves physical and ________ reactions.

a)

chemical

b)

thermal

c)

physical

d)

optical

16.

If a blood clot forms abnormally, a ________ or ________ can form.

a)

thrombus, embolus

b)

artery, vein

c)

plasma, serum

d)

capillary, valve