The Respiratory System (Pt. 1)

Question 1

The cardiovascular and respiratory systems share responsibility for: (2)

Answer 1

• Supplying the body with oxygen
• Disposing of carbon dioxide

Question 2

The transportation of respiratory gases between the lungs and the tissue cells is accomplished by? This uses what as a transporting fluid? (2)

Answer 2

• Cardiovascular system organs
• Blood as a transport fluid

Question 3

If either system fails, body cells begin to die from? (2)

Answer 3

• Oxygen starvation
• Accumulation of carbon dioxide

Question 4

Lungs contain?

Answer 4

Alveoli

Question 5

What are alveoli?

Answer 5

Terminal air sacs

Question 6

The what is the only externally visible part of the respiratory system?

Answer 6

Nose

Question 7

During inhalation, air enters the nose by passing through here?

Answer 7

External nares (nostrils)

Question 8

The interior of the nose consists of?

Answer 8

Nasal cavity

Question 9

What is the nasal cavity divided by down the midline?

Answer 9

Nasal septum

Question 10

What are olfactory receptors used for?

Answer 10

The sense of smell

Question 11

Located in the mucosa in the slit-like superior part of the nasal cavity, just beneath the ethmoid bone

Answer 11

Olfactory receptors

Question 12

The ciliated cells of the nasal mucosa create a?

Answer 12

Gentle current

Question 13

Moves contaminated mucus posteriorly thowards the?

Answer 13

Throat (pharynx)

Question 14

What happens after the mucus is moved to the throat/pharynx? (2)

Answer 14

• Swallowed
• Digested by stomach juices

Question 15

Partition which separates the nasal cavity from the oral cavity below?

Answer 15

Palate

Question 16

Anteriorly where there is bone is called the?

Answer 16

Hard palate

Question 17

The unsupported portion to the posterior is called the?

Answer 17

Soft palate

Question 18

How long is the muscular passageway known as the pharynx?

Answer 18

5 inches long

Question 19

What is the pharynx commonly called?

Answer 19

The throat

Question 20

What does the pharynx serve as a common passageway for? (2)

Answer 20

• Food
• Air

Question 21

The pharynx is continuous with the nasal cavity anteriorly via the?

Answer 21

Internal nares

Question 22

Air enters the superior portion from the nasal cavity, it is called the?

Answer 22

Nasopharynx

Question 23

After the nasopharynx, air then descends through the __ and __ to enter the __ below (3)

Answer 23

• Oropharynx
• Larynopharynx
• Larynx

Question 24

Food enters the mouth and travels along with air through the? (2)

Answer 24

• Oropharynx
• Larynopharynx

Question 25

After food goes through the oropharynx and larynopharynx, instead of entering the trachea, it is directed into the __ which lies to the __? (2)

Answer 25

- Esophagus - Posterior

Question 26

Clusters of lymphatic tissue called? They are found in the? (2)

Answer 26

- Tonsils - Pharynx

Question 27

What is the larynx also called?

Answer 27

Voice box

Question 28

What does the larynx route into the proper channels? (2)

Answer 28

- Air - Food

Question 29

What does the larynx play a role in? Where is the larynx located inferior to? (2)

Answer 29

- Plays a role in speech - Located inferior to the pharynx

Question 30

The larynx is formed by eight rigid hyaline cartilages and a spoon shaped flap of elastic cartilage called the?

Answer 30

The epiglottis

Question 31

The largest of the hyaline cartilage is the shield shaped __ which protudes anteriorly and is commonly called the __ ? (2)

Answer 31

- Thyroid cartilage - Adam's apple

Question 32

If anything other than air should enter the larynx, a __ reflex is triggered to expel the substance and prevent it from continuing into the __ (2)

Answer 32

- Cough - Lungs

Question 33

Part of the mucous membrane of the larynx forms a pair of folds called the?

Answer 33

Vocal folds

Question 34

What are the vocal folds? What do the folds vibrate with? (2)

Answer 34

- True vocal cords - Vibrate with expelled air

Question 35

The trachea is lined with __ that beat continuously, in a direction __ to that of the incoming air? (2)

Answer 35

- Ciliated mucosa - Opposite

Question 36

By the time air reaches the bronchi, it is __, clean of __, and well __ (3)

Answer 36

- Warm - Impurities - Humidified

Question 37

The smaller subdivisions of the primary bronchi within the lungs are direct routes to the?

Answer 37

Air sacs