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Anatomy Dissection > Ch 29 Respiratory System > Flashcards

Ch 29 Respiratory System Flashcards

1
Q

The _ system of the body is concerned with gas transport and exchange.

A

respiratory

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2
Q

The 2 phases of the respiratory system are

A

Conductive Phase
Gas Exchange Phase

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3
Q

T/F The conductive phase of the respiratory system is concerned with the exchange of O2 and CO2 between the blood and air sacs in the lungs

A

false, gas exchange phase

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4
Q

T/F The gas exchange phase is concerned with the movement of gases from the outer environment thru the respiratory tubes into the lungs

A

false, the conduction phase

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5
Q

The order air passes from the outer environment into the lungs thru different organs is (7 items):

A

Nasal Cavity (or Oral)
Pharynx
Larynx
Trachea
Bronchi
Bronchioles
Lungs

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6
Q

The _ is a cartilaginous and membranous tube from the larynx to the point where it bifurcates into 2 primary bronchi below.

A

trachea

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7
Q

The trachea is about _ cm long in vivo and air is conducted thru it during the process of _.

A

15cm
respiration

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8
Q

The trachea is composed of a series of _ to _ C shaped rings of _ cartilage, each almost encircling the lumen.

A

16-20
hyaline

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9
Q

The open ends of the incomplete cartilaginous tracheal rings are directed _ leaving a gap between the ends bridged by _ _ and _ _.

A

posteriorly
connective tissue
smooth muscle

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10
Q

The connective tissue bridge in between the open ends of tracheal rings is adjacent to the posteriorly related _.

A

esophagus

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11
Q

The tracheal bifurcation marks the end of the trachea and beginning of the 2 _ _.

A

primary bronchi

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12
Q

T/F the right primary bronchus is smaller in caliber but twice as long as the left primary bronchus.

A

false, the left is smaller but twice as long as the right

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13
Q

The _ primary bronchus is wider, shorter, and straighter than the _ primary bronchus

A

right
left

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14
Q

The right primary bronchus is about _cm long and forms a _ acute angle with the trachea than the left.

A

2.5cm
less

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15
Q

The right primary bronchus enters the lung at the _ of the right lung and divides into 3 _ _ , one for each lobe of the right lung.

A

hilus
secondary bronchi

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16
Q

Each of the 3 right secondary bronchi branch into several tertiary bronchi that supply a _ _.

A

bronchopulmonary segment

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17
Q

Bronchopulmonary segments are separated from each other by connective tissue _ that prevents diffusion of air from one into another.

A

septa

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18
Q

The left primary bronchus is _ cm long and forms a _ acute angle with the trachea than the right primary bronchus

A

5cm
more

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19
Q

Objects falling into the trachea are more likely to get lodged in the _ bronchus because it is more in line with the trachea than the _ bronchus.

A

right
left

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20
Q

The right lung has _ lobes and the left has _.

A

3
2

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21
Q

The left primary bronchus enters the left lung thru the _ and divides into 2 _ _, one for each lobe

A

hilus
secondary bronchi

22
Q

Tertiary bronchi subdivide further into more bronchi and then into _.

A

bronchioles

23
Q

_ are smaller than bronchi

A

bronchioles

24
Q

Bronchioles are part of the _ of the lung and therefore do not need _ in their walls to prevent them from collapsing during inspiration unlike _.

A

substance
cartilages
bronchi

25
Q

Terminal bronchioles divide into _ _ which are short tubes of connective tissue and smooth muscle.

A

respiratory bronchioles

26
Q

A few _ bud off respiratory bronchioles, hence their name.

A

alveoli

27
Q

Respiratory bronchioles branch into cone-like radiation into _ to _ alveolar ducts

A

2-11

28
Q

Alveolar ducts are _ and _ - walled tubes of connective tissue and smooth muscle

A

long
thin-walled

29
Q

Alveolar ducts contain both _ alveoli and _ _ .

A

single alveoli
alveolar sacs

30
Q

At the alveolar level there is no more cartilage or smooth muscle, just a thin layer of _ and connective tissue

A

epithelium

31
Q

The most conspicuous feature of the alveoli is the presence of numerous _ adjacent to them which are situated with their surface directed _ the the alveoli

A

capillaries
towards

32
Q

The respiratory membrane (where gas exchange occurs) is composed of the _ and _ walls.

A

alveolar
capillary

33
Q

Each lung has an _, a _, and _ surfaces.

A

apex
base
3

34
Q

The apex of the lung is found on its _ end

A

superior

35
Q

The costal surface of the lungs is adjacent to the _ wall.

A

thoracic

36
Q

The 3 surfaces of the lung are:

A

costal
diaphragmatic
medial

37
Q

The diaphragmatic surface (base) of the lung is adjacent to the upper surface of the diaphragm and is _ in shape

A

concave

38
Q

The medial surface of the lung is adjacent to the _ and other thoracic organs and presents a locust, the _ where all structures that enter or exit the lung pass.

A

heart
hilus or hilum

39
Q

The name given to the conglomerate of structures entering and exiting the lung is the _ of the _.

A

root of the lung

40
Q

The 3 structures forming the root of the lung are:

A

Pulmonary artery
Pulmonary Veins
Primary Bronchus

41
Q

The pulmonary artery is part of the pulmonary _ that brings _ blood to the lungs from the heart

A

trunk
deoxygenated

42
Q

T/F The pulmonary arteries carry oxygenated blood back to the left atrium

A

FALSE, they carry deoxygenated blood to the lungs

43
Q

T/F Pulmonary veins return oxygenated blood back to the heart.

A

true

44
Q

The primary bronchus is a branch of the _ and serves as a passageway for air.

A

trachea

45
Q

The right lung has _ fissures, the _ and _ fissure.

A

2
transverse (horizontal)
oblique

46
Q

The fissures of the right lung divide it into _ lobes, the _, _, and _ lobes

A

3
upper (superior)
middle
lower (inferior)

47
Q

The left lung has one fissure called the _ fissure

A

oblique

48
Q

The left lung’s oblique fissure divides the left lung into
a _ and _ lobe

A

upper (superior)
lower (inferior)

49
Q

The left lung contains a _ and _ _

A

lingula
cardiac notch

50
Q

T/F the right lung has 3 lobes which account for it possessing the lingula and cardiac notch.

A

False, the left lung contains those 2 structures

Anatomy Dissection (39 decks)

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