TJ6: Circulatory System

Question 1

While standing, venous flow is maintained against gravity because of what?

Answer 1

Skeletal Muscle Contractions, Blood Pressure from the heart pumping, and the valves

Question 2

The most common place to check function is where?

Answer 2

Radial Artery

Question 3

The left and right sides of the heart contain what level of oxygen?

Answer 3

Left: 95-98%
Right: 65-80%

Question 4

What is the difference between arteries and veins?

Answer 4

Arteries: carry blood away from the heart, have a higher blood pressure, and have thick walls

Veins: carry blood to the heart, lower blood pressure, thin walled, and have valves to prevent back flow

Question 5

The Great Saphenous Vein drains blood from what what part of the body?

Answer 5

Foot, Knee and Leg

Question 6

Which blood vessel is blood velocity lowest?

Answer 6

Capillaries

Question 7

The walls of the Atria or the Ventricles are thicker? Why?

Answer 7

Ventricles because of their pumping function

Question 8

A Stationary clot is called what?
A traveling clot is called what?

Answer 8

Stationary: Thrombus
Traveling: Embolus

Question 9

What cell type is found at the tunica interna?

Answer 9

Endothelial Cells

Question 10

Blood exits the heart through (arteries/veins) and returns to the heart by (arteries/veins)?

Answer 10

Arteries, veins

Question 11

Oxygen is carried in the blood stream primarily by?

Answer 11

RBCs

Question 12

What is occurring during diastole?

Answer 12

Ventricles relaxing/relaxing

Question 13

What is the average adult pulse rate?

Answer 13

72-80 BPM

Question 14

Name the blood pressure 120/80?

Answer 14

Resting

Question 15

The artery that sends blood from the heart to the body is?

Answer 15

Aorta

Question 16

What is the oxygen level of blood exiting the right ventricle?

Answer 16

65-80%

Question 17

T/F: As the blood vessel diameter increases, the resistance decreases?

Answer 17

True

Question 18

Exchange between nutrients in the blood and waste in the tissues occur where?

Answer 18

Capillary Beds

Question 19

In which blood vessel is the pressure the lowest?

Answer 19

Capillaries

Question 20

The Mitral valve is located where?

Answer 20

Between the left atrium and left ventricle

Question 21

The Radial Artery supplies blood to where?

Answer 21

The hand

Question 22

Blood entering from the Left Atrium is coming from where?

Answer 22

Pulmonary Artery

Question 23

Another name for Sino-Artrial…

Answer 23

SA Node or Pacemaker

Question 24

The coverings of the heart is called?

Answer 24

Visceral Pericardium/Epicardium

Question 25

The blood vessels which supplies blood to the legs?

Answer 25

Common Iliac or Femoral

Question 26

Name the Atrioventricular Valves

Answer 26

Bicuspid (Mitral) & Tricuspid

Question 27

During Systole, what is occurring?

Answer 27

Ventricles are contracting/working

Question 28

Veins contain these to prevent backflow?

Answer 28

Valves

Question 29

The two Atrioventricular valves are?

Answer 29

Bicuspid (Mitral) and Tricuspid

Question 30

What is the functional unit of the Circulatory System?

Answer 30

Capillaries

Question 31

What is the function(s) of the Circulatory System?

Answer 31

Delivery of blood, oxygen, nutrients and waste around the body

Question 32

Do Arteries contain valves?

Answer 32

No

Question 33

The Pericardium of the heart is continuous with the what?

Answer 33

Tunica externa