22.1-22.3 Quiz

Question 1

What are the 4 major functions of the respiratory system?

Answer 1

1.Supply body with O2 for cellular respiration.
2. Dispose of CO2 (waste product of cellular respiration)
3. Olfaction
4. Speech

Question 2

What are the four processes of respiration?

Answer 2

1. Pulmonary ventilation
2. External respiration
3. Internal respiration
4. Transport

Question 3

Define pulmonary ventilation

Answer 3

Breathing. Movement of air in and out of the lungs

Question 4

Define internal respiration

Answer 4

Exchange of O2 and CO2 between systemic blood vessels and tissues

Question 5

Define external respiration

Answer 5

Exchange of O2 and CO2 between lungs and blood

Question 6

Define transport

Answer 6

O2 and CO2 in blood

Question 7

What are the 3 things involved in the upper respiratory system?

Answer 7

Nose/nasal cavity, paranasal sinuses, pharynx

Question 8

What are the 4 things involved in the lower respiratory system?

Answer 8

Larynx, trachea, bronchi/branches, lungs/alveoli.

Question 9

What is the only external portion of the respiratory system?

Answer 9

The nose

Question 10

What are the 5 functions of the nose?

Answer 10

1. Provides airway for respiration
2. Moistens and warms entering air
3. Filters and cleans inspired air
4. Serves as a resonating chamber for speech
5. Houses olfactory receptors

Question 11

What are the 2 regions of the nose?

Answer 11

External nose and nasal cavity

Question 12

The nasal cavity contains ____ glands which contain mucus secreting mucus and ____ cells

Answer 12

Seromucous. Serous

Question 13

Both serous and mucus secretions contain ______ and ______

Answer 13

Lysozymes and defensins

Question 14

______ cells sweep contaminated mucus posteriorly toward throat

Answer 14

Ciliated

Question 15

Inspired air is ____ by plexuses of capillaries and veins in nasal cavity

Answer 15

Warmed

Question 16

Nasal mucosa contains ____ _____ _____ that cause sneezing

Answer 16

Sensory nerve endings

Question 17

A funnel shaped muscular tube that runs from the base of the skill to vertebra C6

Answer 17

Pharynx

Question 18

The pharynx connects the nasal cavity and mouth to the _____ and _____

Answer 18

Larynx and esophagus

Question 19

The pharynx is composed of what type of muscle?

Answer 19

Skeletal muscle

Question 20

What are the 3 regions of the pharynx from high to low.

Answer 20

Nasopharynx, Oropharynx, Laryngopharynx

Question 21

An air passageway that runs posterior to the nasal cavity

Answer 21

Nasopharynx

Question 22

The nasopharynx lining contains _______ _______ ________

Answer 22

Pseudostratified columnar epithelium

Question 23

The nasopharynx contains the ____ tonsils also known as _____

Answer 23

Pharyngeal, adenoids

Question 24

The nasopharynx also contains the ______ tubes also known as _____ _____ that drain and equalize pressure in the middle ear.

Answer 24

Pharyngotympanic. Auditory tubes

Question 25

Passageway for food and air from level of soft palate to epiglottis

Answer 25

Oropharynx

Question 26

The oropharynx lining consists of _____ ______ ______

Answer 26

Stratified squamous epithelium

Question 27

The oropharynx contains the _____ _____ _____ which is an opening to the oral cavity

Answer 27

Isthmus of fauces

Question 28

The oropharynx contains the _____ and ____ tonsils

Answer 28

Palatine, lingual

Question 29

The palatine tonsils are located where

Answer 29

Lateral walls of fauces

Question 30

The lingual tonsils are located where

Answer 30

Posterior surface of tongue

Question 31

A passageway for food and air

Answer 31

Laryngopharynx

Question 32

The laryngopharynx is posterior to the upright ______

Answer 32

Epiglottis

Question 33

The laryngopharynx extends to the _____ where it is continuous with the _____

Answer 33

Larynx, esophagus

Question 34

The laryngopharynx is lined with ____ ____ ______

Answer 34

Stratified squamous epithelium

Question 35

The epiglottis consists of _____ ______

Answer 35

Elastic cartilage

Question 36

The epiglottis covers what during swallowing?

Answer 36

Laryngeal inlet

Question 37

The epiglottis is covered in what?

Answer 37

Taste buds containing mucous.

Question 38

What is the core of vocal cords and what are they also known as?

Answer 38

Vocal ligaments. True vocal cords

Question 39

What is the glottis?

Answer 39

Opening between vocal folds

Question 40

What are vestibular folds also known as?

Answer 40

False vocal cords

Question 41

What is speech?

Answer 41

Intermittent release of expired air

Question 42

Air passages undergo how many orders of branching? It’s also referred to as a ____ ____

Answer 42

23. Bronchial tree.

Question 43

Conducing zone structures give rise to ______ _____ _______

Answer 43

Respiratory zone structures.

Question 44

Respiratory zone begins where ______ bronchioles feed into ______ bronchioles

Answer 44

Terminal. Respiratory.

Question 45

Respiratory bronchioles lead into _____ _____ and finally ______ _____

Answer 45

Alveolar ducts. Alveolar sacs.

Question 46

What is the respiratory membrane?

Answer 46

Blood air barrier that consists of alveolar and capillary walls. Very thin

Question 47

Alveolar walls consist of ____ and ____

Answer 47

Single layer squamous epithelium and scattered cuboidal type II alveolar cells, secrete surfactant.

Question 48

Lungs are mostly composed of _____, the rest is ____

Answer 48

Alveoli. Stroma.