transportation

Question 1

what is the sound of the heart?

Answer 1

the valves closing

Question 2

what is happening during the initial lab sound?

Answer 2

the AV vales are closing which builds up pressure and push blood out

Question 3

what is happening during the laster dub sound?

Answer 3

the SL valves are closing when the ventricles start relaxing to prevent back flow into the ventricles from the aorta and pulmonary trunk

Question 4

what functional role do the structure in the condition zone play

Answer 4

they warm, humidify and filter the air as it mrs into the respiratory zone

Question 5

what is the purpose of the epiglottis

Answer 5

block food from going down tour larynx when you swallow

Question 6

what is the structural difference between the right and left lungs

Answer 6

the right has 3 lobes and the left has 2

Question 7

where does the bulk of gas exchange occur

Answer 7

in the aleoli

Question 8

which structure in the respiratory system is also known the voice box

Answer 8

larynx

Question 9

name the structure that air passes through as it travels from the Bose and eventually arrive at the lungs

Answer 9

nose, nasal cavity, pharynx, larynx, trachea. bronchi, lungs

Question 10

The amount of air that remains in your lungs is known as the

Answer 10

residual volume

Question 11

the amount of air you regularly breathe is your

Answer 11

Tidal volume

Question 12

the ____ measures the max amount of air you could forcibly inhale while the _____ is the max amount you could forcible exhale

Answer 12

Inspiratory reserve volume; expiratory reserve volume

Question 13

what is considered the Toal amount of exchangeable air you have

Answer 13

vital capacity

Question 14

what muscle moves the lungs when it contracts

Answer 14

diaphragm

Question 15

as this muscle contracts, the volume in your lungs ___- so pressure ____ and air moves _____

Answer 15

expands; decrease; in

Question 16

as this muscle relaxes, the volume in your lungs ___ s pressure __ and air moves ___

Answer 16

decreases; increases; out

Question 17

delivers oxygen rich blood to the body

Answer 17

aorta

Question 18

electrical event sin the heart stimulate ____

Answer 18

mechanical events

Question 19

the heart contains special calls that can spontaneously depolarize

Answer 19

pacemaker cells

Question 20

the action potential in initiated in the ___ node

Answer 20

sinotrial node

Question 21

the ____ node receives and distributes the signal to the ventricles

Answer 21

atrioventricular

Question 22

blood flows ____ the pressure gradient created from the contractions

Answer 22

down

Question 23

list 5 extrinsic controls that play a role in the regulation of cardiac cycle

Answer 23

autonomic nervous system; age; sex; cardiovascular fitness/health; diet

Question 24

what does blood pressure measure

Answer 24

amount of strain your arteries fell as your hear moves blood around

Question 25

what is the purpose of CPR

Answer 25

the manually keep blood flowing out of the heart when someone is in cardiac arrest

Question 26

what is the onto vale with 2 cusps

Answer 26

bicuspid valve

Question 27

guards the base of the pulmonary trunk

Answer 27

pulmonary valve

Question 28

prevents back flow into the left ventricle when it contracts

Answer 28

aortic valve

Question 29

prevents back flow into the right atrium

Answer 29

tricuspid valve

Question 30

the pulmonary veins empty into it

Answer 30

left atrium

Question 31

receives oxygen-rich blood from the lungs

Answer 31

left atrium

Question 32

sends blood out of the pulmonary trunk

Answer 32

right ventricle

Question 33

takes in blood from the superior and inferior vena cava

Answer 33

right atrium

Question 34

sends oxygenated poor blood into the lungs

Answer 34

right ventricle

Question 35

structure and origination of the lungs and the brooch inside them

Answer 35

lungs - bronchi- right left

Question 36

summarize the role of the diaphragm.

Answer 36

diaphragm contracts the lungs expand and allow air to enter, diaphragm relaxes lungs deflate which allows air to leave

Question 37

blood vessels carry blood to or away from the heart

Answer 37

to

Question 38

artereis carry blood away or to the heart

Answer 38

away

Question 39

what are arterioles

Answer 39

mini arteries that branch out

Question 40

what are capillaries

Answer 40

transfer blood between veins and arteries

Question 41

what are venues

Answer 41

smallest vein component that pulls blood out of capillaries

Question 42

what is a Atria

Answer 42

two lateral chambers of the heart that receive blood first

Question 43

pericardium

Answer 43

membrane that encloses the heart

Question 44

myocardium

Answer 44

muscle layer of the heart

Question 45

what are pacemaker cells

Answer 45

non pacemaker cells that spontaneously depolarize without neural input so the heart generates its own electrical impulses

Question 46

atriovascular valves

Answer 46

at atria-ventricular junction and prevent back flow into atria

Question 47

semilunar valves

Answer 47

at the base of ventricles and prevent back flow

Question 48

Summarize the pathway that oxygen-poor blood will take in order to become oxygen-rich blood that can be distributed to the tissues in our body

Answer 48

oxygen poor blood goes in and out of the right side of the heart to the lungs to be oxygenated —> left side and is pumped to the rest of the body

Question 49

what is plasma

Answer 49

liquid part of blood makes up 55%

Question 50

leukocytes

Answer 50

colorless cell that is in the blood that helps get rid of foreign substances in blood

Question 51

erythrocyte

Answer 51

red blood cell

Question 52

hemoglobin

Answer 52

protein that binds and carries oxygen

Question 53

hematopoiesis

Answer 53

blood cell formation, stem cells in red bone marrow make replacement cells

Question 54

hemostasis

Answer 54

to stop blood flow by clotting

Question 55

antigens

Answer 55

foreign substances

Question 56

antibodies

Answer 56

blood protein that is produced to counteract a specific antigen

Question 57

agglutinogens

Answer 57

an antigen that stimulates the production of agglutinin

Question 58

composition of blood

Answer 58

plasma, white blood cells, red blood cells, platelets

Question 59

hemostasis steps

Answer 59

vascular spasm, platelets gather to plug, coagulation/clotting to close gap and allow healing

Question 60

how are there 8 types blood

Answer 60

A, B, AB = specific antigen on glycoprotein, presents or no presents of rhesus antigen determines positive or negative