Cardiovascular

Question 1

Plasma is

Answer 1

55pc of blood

Transports substances around body

Question 2

What does plasma transport

Answer 2

Mineral salts
Nutrients 
Waste
Hormones 
Enzymes
Gasses
Antibodies

Question 3

Another word for rbc

Answer 3

Erythrocytes

Question 4

Do rbc have nucleus

Answer 4

No

Question 5

Rbc life span

Answer 5

120 days

Question 6

Wbc also called

Answer 6

Leuocytes

Question 7

Where are wbc made

Answer 7

Bone marrow

Question 8

Platelets are also called

Answer 8

Thrombocytes

Function clot blood

Question 9

Platelet lifespan

Answer 9

10 days

Question 10

Heart divides into

Answer 10

Atria and ventricles

Question 11

What divides left and right side of heart

Answer 11

Septum

Question 12

Heart has a muscular wall of 3 layers

Answer 12

Endocardium
Myocardium
Pericardiam- double walled sack

Question 13

What’s heart beat

Answer 13

Atria both contract forcing contents into ventricles

Ventricles contract and empty into artieries

Ventricles relax

Question 14

Rest diastole equates to

Answer 14

Contraction systole

Question 15

What’s a pulse

Answer 15

Wave of artery wall distension

Question 16

Pulmonary artery carries

Answer 16

Deoxygenated blood from heart to life lungs

Question 17

Blood returns to heart via

Answer 17

Pulmonary vein

Question 18

Circulation process

Answer 18

Deoxygenated blood flows into right atrium from superior vena cava

Then into right ventricle

Then it’s pumped into the pulmonary artery

Blood reaches the lungs via capillaries

Lungs remove C02 and replace it with oxygen

Oxygenated blood returns to heart through pulmonary veins and into left atrium

Left atrium pushes blood into left ventricle via bicuspid valve

Left ventricle contracts and pumps blood to aorta

Question 19

Valves

Answer 19

Maintain direction of blood

Question 20

What are semi lunar valves

Answer 20

3 pocket shaped flaps at the besssls entrance on the aorta

Question 21

Inferior and superior vena cava take deoxygenated blood from lower and upper body

Answer 21

True

Question 22

What do semi lunar valves do

Answer 22

Ensure no backflow

From aorta to left ventricle

Or

Pulmonary artery to right ventricle

Question 23

2 largest veins in body

Answer 23

Inferior and superior vena cava the

Question 24

Mitral valve

Answer 24

Separates left atrium

And ventricle

Question 25

Tricuspid valve

Answer 25

Separates right atrium and ventricle

Question 26

Portal circulation

Answer 26

Blood from small intestine and right half of colon to liver

Question 27

Systemic arteries and pulmonary arteries

Answer 27

Carry oxygenated and deoxygenated blood

Question 28

Arterioles

Answer 28

Smaller version of arteries, slightly contracted to maintain blood pressure

Question 29

What happens to arterioles in shock

Answer 29

They relax and blood pressure drops

Question 30

Veins structure

Answer 30

3 layered walls
Much thinner
Larger lumen
Low blood pressure

Question 31

Pulmonary veins carry

Answer 31

Oxygenated blood-to heart