module 8

Question 1

Function of blood

Answer 1

Transporting elements throughout the body
Regulating bodily functions
Protecting the body through immune responses

Question 2

Characteristics of blood

Answer 2

Viscosity
Temperature
pH

Question 3

The two main components of blood are:

Answer 3

Plasma
Formed Elements

Question 4

Plasma accounts for ____ of the total volume of blood

Answer 4

55%

Question 5

Formed elements that make up ___ of blood.

Answer 5

45%

Question 6

Three types of formed elements

Answer 6

Erythrocytes
Thrombocytes
Leukocytes

Question 7

Erythrocytes are also known as ________

Answer 7

red blood cells (RBCs)

Question 8

Contain hemoglobin to transport oxygen and carbon dioxide throughout the body

Answer 8

Erythrocytes

Question 9

RBCs lack nuclei, making them _______

Answer 9

“non true cells”

Question 10

Thrombocytes are also known as _______

Answer 10

platelets

Question 11

Their function is hemostasis

Answer 11

Thrombocytes

Question 12

They originate from megakaryocytes in the red bone marrow

Answer 12

Thrombocytes

Question 13

Leukocytes are also known as ________

Answer 13

white blood cells (WBCs)

Question 14

Leukocytes are divided into two divisions _________ and __________

Answer 14

granulocytes and agranulocytes.

Question 15

Granulocytes and agranulocytes can be further divided into ________

Answer 15

five different cell types

Question 16

Blood vessels are composed of ________

Answer 16

three tunics (layers)

Question 17

Three layers of blood cells

Answer 17

Tunica Externa
Tunica Media
Tunica Intima

Question 18

is composed of connective tissue with collagen and elastic fibres

Answer 18

Tunica externa

Question 19

is composed of smooth muscle and elastic fibers

Answer 19

Tunica media

Question 20

composed of simple squamous epithelium, also known as the endothelium

Answer 20

Tunica intima

Question 21

are large arteries near the heart, such as the aorta

Answer 21

Elastic arteries

Question 22

__________ deliver blood to the various regions and organs of the body

Answer 22

Muscular arteries

Question 23

_______ typically lead to large arterioles, which then lead to smaller arterioles

Answer 23

Muscular arteries

Question 24

______ are the smallest blood vessels and are the transition between arterioles and venules

Answer 24

Capillaries

Question 25

Carries deoxygenated blood from the heart to the lungs for oxygenation, and returns oxygenated blood back from the lungs to the heart

Answer 25

Pulmonary circulation

Question 26

Oxygenated blood is carried to other tissues and organs of the body, except the lungs, then deoxygenated blood returns to the heart

Answer 26

Systemic circulation

Question 27

The heart has various layers over top of it, referred to as

Answer 27

coverings, or the pericardium of the heart

Question 28

The pericardium is divided into two types of layers

Answer 28

Fibrous pericardium Serous pericardium

Question 29

Fibrous pericardium is

Answer 29

the most external protective covering

Question 30

Serous pericardium, is further divided into two different types

Answer 30

Parietal pericardium and visceral pericardium

Question 31

Between parietal and visceral pericardium, there is a pericardial space filled with

Answer 31

pericardial fluid

Question 32

Decreases friction between the two layers when the heart beats

Answer 32

Pericardial fluid

Question 33

There are four chambers of the heart

Answer 33

Right atrium Left atrium Right ventricle Left ventricle

Question 34

is the wall between the left and right atria where the fossa ovalis is found

Answer 34

The interatrial septum

Question 35

is a depression in the interatrial septum of the right atrium

Answer 35

The fossa ovalis

Question 36

______ are extensions or pouches that project above the chambers of left and right atria

Answer 36

Auricles

Question 37

_______ is the depression between the atria and ventricles

Answer 37

The atrioventricular groove

Question 38

___________ are irregular muscular ridges on the internal walls of each ventricle

Answer 38

The trabeculae carneae

Question 39

__________ are smaller muscular projections on the internal walls of the ventricles

Answer 39

The papillary muscles

Question 40

_______ drain oxygenated blood from the lungs to the left atrium

Answer 40

Pulmonary veins

Question 41

__________ drains the deoxygenated blood from the upper body to the right atrium

Answer 41

Superior vena cava

Question 42

__________ drains the deoxygenated blood from the coronary circulation to the right atrium

Answer 42

Coronary sinus

Question 43

__________ drains the deoxygenated blood from the lowe

Answer 43

Inferior vena cava