ch 22 respiratory system

Question 1

What is respiration?

Answer 1

Ventilation of lungs (Breathing)

Question 2

what are the major functions of the respiratory system?

Answer 2

Gas exchange
Communication
Olfaction
Acid-base balance
BP regulation

Question 3

what are the organs of the respiratory system?

Answer 3

nose, pharynx, larynx, trachea, bronchi, lungs

Question 4

What is the Conducting division of respiratory system?

Answer 4

Passages that serve only for airflow
No gas exchange
Nostrils through major bronchioles

Question 5

what is the Respiratory division of the respiratory system?

Answer 5

Consists of alveoli and other gas exchange regions

Question 6

What is the Upper respiratory tract comprised of?

Answer 6

Nose through larynx

Question 7

What is the Lower respiratory tract comprised of?

Answer 7

organs of the thorax
Trachea through lungs

Question 8

Name the structure labelled A?

Answer 8

Pharynx

Question 9

Name the structure labelled B?

Answer 9

Larynx

Question 10

Name the structure labelled C?

Answer 10

Trachea

Question 11

Name the structure labelled D?

Answer 11

Right lung

Question 12

Name the structure labelled E?

Answer 12

Epiglottis

Question 13

Name the structure labelled F?

Answer 13

Esophagus

Question 14

Name the structure labelled G?

Answer 14

Left lung

Question 15

Name the structure labelled H?

Answer 15

Left main bronchus

Question 16

Name the structure labelled I?

Answer 16

Lobar bronchus

Question 17

Name the structure labelled J?

Answer 17

Segmental bronchus

Question 19

What are the main functions of the nose in respiration?

Answer 19

–Warms, cleanses, and humidifies inhaled air

–Detects odors

–Serves as a resonating chamber that amplifies voice

Question 20

What is the structure labelled A?

Answer 20

Pharyngeal tonsil

Question 21

What is the structure labelled B?

Answer 21

Palatine tonsil

Question 22

What is the structure labelled C?

Answer 22

Lingual tonsil

Question 23

What is the structure labelled D?

Answer 23

Epiglottis

Question 24

What is the structure labelled E?

Answer 24

Trachea

Question 25

What is the structure labelled F?

Answer 25

Esophagus

Question 26

Name the 3 regions of the pharynx

Answer 26

Nasopharynx Oropharynx Laryngopharynx

Question 27

Which regions does the Nasopharynx cover?

Answer 27

* Posterior to nasal apertures and above soft palate * Receives auditory tubes and contains pharyngeal tonsil

Question 28

Which regions does the Oropharynx cover?

Answer 28

* Space between soft palate and epiglottis * Contains palatine tonsils

Question 29

Which regions does the Laryngopharynx cover?

Answer 29

* Epiglottis to cricoid cartilage * Esophagus begins at that point

Question 30

What type of epithelium covers the nasopharynx?

Answer 30

pseudostratified columnar epithelium

Question 31

What type of epithelium covers the oropharynx and larygnopharynx?

Answer 31

•stratified squamous epithelium

Question 32

What do the muscles of the pharynx assist with?

Answer 32

swallowing and speech

Question 33

What is the Larynx (voice box)

Answer 33

* cartilaginous chamber about 4 cm long * Keeps food and drink out of the airway

Question 34

What is the Epiglottis?

Answer 34

flap of tissue that guards the superior opening of the larynx During swallowing, extrinsic muscles of larynx pull larynx upward Tongue pushes epiglottis down to meet it Closes airway and directs food to esophagus behind it

Question 35

What is the role of Vestibular folds of the larynx

Answer 35

play greater role in keeping food and drink out of the airway