Circulatory System

Question 1

One of layers found in arteries, constrict and dilate to modify blood pressure

Answer 1

Smooth muscle

Question 2

Larger blood vessels , carry blood back to heart

Answer 2

Veins

Question 3

Main part of the heart , composed of mainly muscle

Answer 3

Myocardium

Question 4

The chamber of the heart which receives blood from the rest of the body

Answer 4

Right atrium

Question 5

Smaller vessels that carry blood away from heart

Answer 5

Arterioles

Question 6

The __________ receives blood returning from the lungs

Answer 6

Left atrium

Question 7

Large vessels that carry blood away from heart

Answer 7

Arteries

Question 8

Oxygenated blood is found on

Answer 8

Left side of heart

Question 9

Contractions that help push blood through the veins and back to heart :

Answer 9

Skeletal muscle contractions

Question 10

The _____ node receives signal from SA node

Answer 10

Av

Question 11

The heart can beat on its own without help from brain, therefore it is

Answer 11

Intrinsic

Question 12

Relaxation of the heart muscle . Lowest arterial BP

Answer 12

Diastole

Question 13

Largest artery in the body

Answer 13

Aorta

Question 14

Membrane that surrounds the heart

Answer 14

Pericardium

Question 15

Smaller blood vessels that carry blood back to heart

Answer 15

Venules

Question 16

Pulmonary arteries carry blood to the

Answer 16

Lungs

Question 17

The hepatic _____ vein takes blood from small int. Into liver

Answer 17

Portal

Question 18

The ______ vena cava returns blood to the heart from lower body

Answer 18

Inferior

Question 19

Percentage of blood in ur arteries at any one time

Answer 19

20

Question 20

Most muscular of the heart chambers of the Heart

Answer 20

Left ventricle

Question 21

The ______ arteries and venoms take blood to and from kidneys

Answer 21

Renal

Question 22

The right ______ valve separates right atrium and ventricle

Answer 22

Atrioventricular

Question 23

________ circulation occurs on left side of heart

Answer 23

Systemic

Question 24

Veins returning blood from the head

Answer 24

Jugular

Question 25

The pulmonary _______ valve prevents back flow of blood as the right ventricle contracts to pump blood to lungs

Answer 25

Semilunar

Question 26

________ pressure is created by presence of salts and plasma proteins in blood

Answer 26

Osmotic

Question 27

This artery takes blood from the heart to the small int

Answer 27

Mesentric or mesentary

Question 28

This node is known as the pace maker

Answer 28

SA

Question 29

Expansion of blood pressure during systole

Answer 29

Pulse

Question 30

Substances tend to move into the cells on the ______ of the capillaries

Answer 30

Arterial

Question 31

How many layers of tissue in arteries , which are they?

Answer 31

3 1. Smooth muscle - gives strength and allows vessels to constrict and dialate 2. Elastic fibres (elastin) helps stretch and contract 3. Supporting tissue

Question 32

Device used for measuring bp

Answer 32

Sphygmomanometer

Question 33

When is BP lowest

Answer 33

In the venules and veins

Question 34

The type of muscle the heart is made out of

Answer 34

Cardiac

Question 35

Which arteries carry blood to the head

Answer 35

Carotid

Question 36

Substances tend to move out of the cells and into blood on the this side of capillary bed

Answer 36

Venous

Question 37

Structures in veins that help move blood up and prevent back flow

Answer 37

Valves

Question 38

Tiny blood vessels which deliver nutrients to cells

Answer 38

Capillaries

Question 39

Max contraction of the ventricles , highest bp

Answer 39

Systole

Question 40

Another name for left atrio ventricular valve

Answer 40

Bicupsid

Question 41

These arteries take blood to the heart

Answer 41

Coronary

Question 42

Th heart rate is affected by

Answer 42

Stress. O2levels excercise and bp

Question 43

Aoerta divides into the ______ arteries in h th he pelvic region

Answer 43

Iliac

Question 44

Layer found in the arteries which allows them to stretch

Answer 44

Elastic fibre layer, elastin