L5

Question 1

Respiration aka __________ is an _______ of ____ for ___.

Answer 1

Breathing; exchange; CO2; O2

Question 2

When we talk about pressure our reference is ____________ ________.

Answer 2

Atmospheric pressure

Question 3

Positive pressure means the pressure in the cavity is _______ than atmospheric pressure

Answer 3

Greater

Question 4

Negative pressure means the pressure in the cavity is _______ than atmospheric pressure.

Answer 4

Less

Question 5

Boyles law states that assuming ____________ is constant, ______ and _______ are __________ proportional to one another

Answer 5

Temperature; pressure; volume; inversely

Question 6

According to Boyles law if volume goes up, pressure will _______.

Answer 6

Decrease

Question 7

If temperature is constant, increased thoracic volume means ______ pressure, so air ______ __; this process is ________.

Answer 7

Negative; rushes in; inhalation

Question 8

If temperature is constant, decreased thoracic volume means _______ pressure, so air is _____ ___; this process is called _________.

Answer 8

Positive; forced out; exhalation

Question 9

List the 8 structures of the respiratory passage:

Answer 9

1) nasal/oral cavity
2) pharynx
3) larynx
4) trachea
5) primary bronchi
6) secondary bronchi
7) tertiary bronchi
8) lungs

Question 10

Which three structures are in the upper respiratory tract?

Answer 10

1) nasal/oral cavity
2) pharynx
3) larynx

Question 11

Which 5 structures are in the lower respiratory tract?

Answer 11

1) trachea
2) primary bronchi
3) secondary bronchi
4) tertiary bronchi
5) lungs

Question 12

The lungs are ______ and ______, and contain only a few _____ _______ ______.

Answer 12

Spongy; elastic; smooth muscle fibers

Question 13

What are the two labels of sections of the lungs?

Answer 13

1) Apex

2) base

Question 14

The right lung is larger in ______ but ______

Answer 14

Volume; shorter

Question 15

The right lung has ___ lobes and the left lung has ___ lobes

Answer 15

3; 2

Question 16

Why is the right lung larger than the left?

Answer 16

The left is smaller to have more room for the heart

Question 17

What are the two surfaces of the lungs?

Answer 17

1) costal

2) mediastinal

Question 18

What is the costal surface?

Answer 18

Surface of the lungs against the ribs

Question 19

What is the mediastinal surface?

Answer 19

Surface of the ribs on the “inside” aka where they are facing each other

Question 20

What is a pleura?

Answer 20

An airtight double-walled membrane

Question 21

What is the visceral pleura?

Answer 21

It houses the lungs

Question 22

Another name for the visceral pleura is:

Answer 22

Pulmonary pleura

Question 23

What is the parietal pleura?

Answer 23

Tightly adheres to the rib cage

Question 24

Another name for the parietal pleura is:

Answer 24

Costal pleura

Question 25

The visceral pleura is _____ to the parietal pleura.

Answer 25

Deep/interior

Question 26

What are the two functions of the pleurae of the lungs?

Answer 26

1) airtight seperation between the lungs

2) fluid between pleurae: friction free sliding

Question 27

If one lung gets punctured, the _____ ensures the other one can stay functional and maintain life

Answer 27

Pleura

Question 28

What are the 10 structures of the bronchial tree?

Answer 28

1) trachea
2) primary bronchi
3) secondary bronchi
4) tertiary bronchi
5) bronchioles
6) terminal bronchioles
7) respiratory bronchioles
8) alveolar ducts
9) alveolar sacs
10) alveoli

Question 29

The trachea is ________ to the esophagus.

Answer 29

Anterior

Question 30

The trachea is approximately __-__ cm long and __-__ cm in diameter

Answer 30

11-12; 2-2.5

Question 31

The trachea is made of __-__ ________ shaped ___ (_____)

Answer 31

16-20; horseshoe; rings; hyaline

Question 32

The top of the trachea is connected to the ______ ________

Answer 32

Cricoid cartilage

Question 33

The bottom of the trachea bifurcated giving rise to the _________ ______

Answer 33

Primary bronchi

Question 34

The trachea is lined with ____, and its function is:

Answer 34

Cilia; keep it clean

Question 35

The cilia in the trachea is also called:

Answer 35

Ciliated colimnar

Question 36

What are the three types of bronchi?

Answer 36

1) primary
2) secondary
3) tertiary

Question 37

Alveolar sacs are:

Answer 37

Clusters of alveoli

Question 38

Alveoli are pitted with ____ ________, where ___-___ _______ occurs

Answer 38

Small depressions; CO2-O2 exchange