12.1/12.2 Kahoot - Function of Circulation and Monitoring Heart Health

Question 1

function of the circulatory system?

Answer 1

• protects against infection
• regulate body temperature
• transports oxygen & nutrients to body cells

Question 2

3 components of circulatory system

Answer 2

1. heart
2. blood
3. blood vessels

Question 3

open circulatory system:

Answer 3

do not have vessels to contain their blood

Question 4

What types of animals have Open Circulatory Systems?

Answer 4

insects

Question 5

Hemolymph refers to?

Answer 5

insect blood

Question 6

How many chambers of human’s heart?

Answer 6

4

Question 7

lower chambers of human heart

Answer 7

ventricles

Question 8

What structure divides the heart into left and right sides?

Answer 8

septum

Question 9

pumps blood to left ventricle

Answer 9

Lt. atrium

Question 10

this chamber pumps blood to the lungs

Answer 10

right ventricle

Question 11

The main blood vessel returning to the heart from the body tissues is?

Answer 11

vena cava

Question 12

The main blood vessel bringing blood to the lungs is?

Answer 12

pulmonary artery

Question 13

characteristics of arteries

Answer 13

• high blood pressure
• Thick and muscular wall
• no valves

Question 14

Below are the characteristics of veins

Answer 14

• low blood pressure
• Thin wall
• valves
• transport blood to the heart

Question 15

Capillaries are tiny blood vessels designed to allow:

Answer 15

exchange of substances with tissues

Question 16

Pulmonary circulation involves…

Answer 16

blood flow between the heart and lungs

Question 17

Systemic circulation involves…

Answer 17

blood flow throughout the body

Question 18

The Coronary Arteries function to:

Answer 18

supply blood to the heart muscle

Question 19

What percentage of blood is Plasma

Answer 19

55%

Question 20

Where are blood cells made?

Answer 20

In your bones

Question 21

Function of your blood’s plasma?

Answer 21

carries blood components around the body

Question 22

Another name for red blood cells:

Answer 22

erythrocytes

Question 23

Hemoglobin requires this element to carry oxygen

Answer 23

Iron

Question 24

characteristics of red blood cells,

Answer 24

• biconcave shape
• no nucleus
• carries carbon dioxide

Question 25

lifespan of red blood cells

Answer 25

120 days

Question 26

White blood cells are also called...

Answer 26

Leukocytes

Question 27

What percentage of blood is white blood cells?

Answer 27

1%

Question 28

Phagocytosis is when

Answer 28

white blood cells eat and digest pathogens

Question 29

characteristic of white blood cells

Answer 29

- larger than red blood cells - part of immune system - contain a nucleus

Question 30

Another name for platelets

Answer 30

Thrombocytes

Question 31

The cell that makes platelets

Answer 31

Megakaryocyte

Question 32

What is the function of platelets?

Answer 32

to help to clot the blood

Question 33

What is Vasodilation?

Answer 33

When Blood Vessels Open Up

Question 34

What happens when your body is too hot?

Answer 34

Your blood vessels at surface enlarge to cool you

Question 35

What 2 things happen when your body is too cold?

Answer 35

- vasoconstriction decreases blood flow to extremities - Body hairs rise, trapping a layer of air close to the skin

Question 36

What is counter-current heat exchange?

Answer 36

conductive heat transfer through blood flowing in opposite directions

Question 37

The SA node is also referred to as the:

Answer 37

The pacemaker

Question 38

Where is the SA node located?

Answer 38

Upper right atrium

Question 39

The function of the SA node is to:

Answer 39

Determines heart rate

Question 40

The function of the atrioventricular node ( AV node) is to:

Answer 40

delays electrical signal coming from atria into ventricles

Question 41

The function of the Purkinje fibers is to:

Answer 41

conduct electrical signals throughout the ventricles

Question 42

What makes the ‘lub-dub' sound of the heart?

Answer 42

Closure of both the atrioventricular and semilunar valves

Question 43

What causes a heart murmur?

Answer 43

Improper closing of a heart valve

Question 44

What does ECG stand for

Answer 44

electrocardiogram

Question 45

What does an ECG measure?

Answer 45

electrical activity of the heart

Question 46

Abnormal ST wave could indicate:

Answer 46

heart attack

Question 47

How do you calculate your resting heart rate?

Answer 47

Count the beats for 15seconds and multiply by 4.

Question 48

What is "normal" resting heart rate for adults?

Answer 48

60 to 100 beats a minute

Question 49

What is bradycardia?

Answer 49

slow heart beat

Question 50

What is tachycardia?

Answer 50

rapid heart beat

Question 51

What is arrhythmia?

Answer 51

irregular heart beat

Question 52

What is diastolic pressure?

Answer 52

Pressure on the blood vessel wall when the heart is relaxing

Question 53

The systolic blood pressure (top number) represents:

Answer 53

ventricular contraction

Question 54

What blood pressure below would be considered "normal" for most adults?

Answer 54

120/80

Question 55

complications of high blood pressure?

Answer 55

- Stroke - Kidney disease - Vision loss

Question 56

What is a cause of high blood pressure that is not modifiable?

Answer 56

family history

Question 57

modifiable causes of high blood pressure

Answer 57

- diet - stress - physical activity level