UNIT D - (Respiratory system)

Question 1

Which of the following is a function of the respiratory system?

Answer 1

Gas exchange

Question 2

The trachea leads to the…..?

Answer 2

Bronchii

Question 3

The space at the back of the mouth, that leads either to the airway or the esophagus is the…?

Answer 3

Pharynx

Question 4

Oxygen from the air enters the blood stream at what location?

Answer 4

alveoli

Question 5

When the diaphragm contracts (is pulled downward), _______ occurs.

Answer 5

exhalation

Question 6

Hyaline cartilage has primary function?

Answer 6

provide some cushioning and minimize friction between the bone ends. Also support the trachea

Question 7

What divides the left and right side of the nasal cavity?

Answer 7

(The nasal septum) — is the cartilage and bone in your nose. The septum divides the nasal cavity (inside your nose) into a right and left side.

Question 8

Identify two body systems that are directly responsible for breathing.

Answer 8

muscular, and skeletal

Question 9

Identify two actions that create breathing movements.

Answer 9

contraction of the diaphragm, and raising of the rib cage

Question 10

The diffusion of CO2 from the blood to the alveolus and the diffusion of O2 from the alveolus to the blood occur because…….?

Answer 10

CO2 is in higher concentration in the blood, and O2 is in higher concentration in the alveolus

Question 11

A decrease in breathing rate is an indication of…..?

Answer 11

low blood CO2

Question 12

Carbon dioxide, a waste product of metabolism, is primarily carried in the blood as (1) _________ and (2) _____________.

Answer 12

carbaminohemoglobin, and bicarbonate ions

Question 13

Which lung has 2 lobes? right or left?

Answer 13

left lung

Question 14

The opening between vocal cords is the…..?

Answer 14

the glottis

Question 15

Which part of the Respiratory System plays a major role in speech?

Answer 15

the larynx

Question 16

A chamber behind the nose and mouth that leads to the trachea and is part of the digestive system and respiratory system.

Answer 16

the pharynx

Question 17

What does the respiratory system release?

Answer 17

carbon dioxide

Question 18

The only externally visible part of the respiratory system is the…..?

Answer 18

The nose

Question 19

Which blood cells carry the oxygen to the rest of the body?

Answer 19

red blood cells, or erythrocytes

Question 20

The process of diffusing oxygen from the blood, into the interstitial fluid and into the cells is….?

Answer 20

Internal respiration

Question 21

A cavity within a bone or other tissue, especially one in the bones of the face or skull connecting with the nasal cavities……?

Answer 21

The Sinus

Question 22

A cavity within a bone or other tissue, especially one in the bones of the face or skull connecting with the nasal cavities…?

Answer 22

windpipe, filters the air we breathe

Question 23

Inside each of your lungs there are tubes called bronchi. These branch into even smaller tubes much like the branches of a tree. What are at the ends of these tubes?

Answer 23

alveoli

Question 24

What is the dome-shaped layer of muscle that separates the region of the lungs?

Answer 24

The diaphragm

Question 25

Where are lungs suspended in?

Answer 25

thoracic cavity

Question 26

The intercostal muscles contract, lifting the rib cage up and out. What process is happening here?

Answer 26

Inhalation

Question 27

The intercostal muscles relax, allowing the rib cage to return to its normal position. What process is happening here?

Answer 27

Exhalation

Question 28

What is the Vital capacity?

Answer 28

it's the total volume of gas that can be moved into or out of the lungs. It can be calculated as tidal volume + inspiratory reserve ; volume + expiratory reserve volume.

Question 29

What is the Residual volume?

Answer 29

the amount of gas that remains in the lungs and the | passageways of the respiratory system even after a full exhalation.

Question 30

What is the Inspiratory reserve volume?

Answer 30

the additional volume of air that can be taken into the lungs, beyond a regular, or tidal, inhalation.

Question 31

what is the Expiratory reserve volume?

Answer 31

the additional volume of air that can be forced out of the lungs, beyond a regular, or tidal, inhalation.

Question 32

What does the lower respiratory tract contain?

Answer 32

the bronchi, bronchioles, and alveoli that make up the lungs.

Question 33

What does the upper respiratory tract contain?

Answer 33

the nasal passages, pharynx, glottis, epiglottis, larynx, and trachea.

Question 34

Each bronchiole ends in a cluster of tiny sacs called....?

Answer 34

alveoli

Question 35

Each lung is surrounded by a thin, double-layered membrane is called the?

Answer 35

(pleural membrane) --- the outer layer of this membrane attaches to the inside of the chest wall.

Question 36

Another word for Windpipe?

Answer 36

trachea

Question 37

What does a spirograph represent?

Answer 37

the amount of air that moves into and out of the lungs with each breath.