15. Respiratory System

Question 1

Functions of Respiratory System

Answer 1

1. Respiration
2. Regulation of Blood pH
3. Voice Production
4. Olfaction
5. Innate Immunity

Question 2

Consist of external nose, composed of hyaline cartilage while its bone and cartilage are covered by connective tissue and skin

Answer 2

Nose

Question 3

External openings of the nose

Answer 3

Nares

Question 4

Starts from the nares to the choanae

Answer 4

Nasal Cavity

Question 5

This hair inside the nares and the mucus produced by the goblet trap large dust particles

Answer 5

Coarse Hairs

Question 6

Divides the nasal cavity into right and left parts

Answer 6

Nasal Septum

Question 7

The floor of the nasal cavity which separates the nasal cavity to oral cavity

Answer 7

Hard Palate

Question 8

Three prominent bony ridges on the lateral walls on each side of the nasal cavity.

Answer 8

Chonchae

Question 9

Air-filled spaces within the bone. Reduces the weight of the skull, produce mucus, and influence the quality of the voice by acting as resonating chambers

Answer 9

Paranasal Sinuses

Question 10

Inflammation of the mucous membrane of a sinus.

Answer 10

Sinusitis

Question 11

Carries tears from the eyes, also open into the nasal cavity.

Answer 11

Nasoclacrimal Ducts

Question 12

Mechanism that dislodges foreign substances from the nasal cavity.

Answer 12

Sneeze Reflex

Question 13

Common passageway for both the respiratory and the digestive system.

Answer 13

Pharynx

Question 14

Soft palate that is elevated during swallowing.

Answer 14

Pharyngeal Tonsil

Question 15

Extends from the uvula to the epiglottis.

Answer 15

Oropharynx

Question 16

Located on the surface of the posterior part of the tongue

Answer 16

Lingual Tonsils

Question 17

Food and drink pass through the _____ to the esophagus.

Answer 17

Laryngopharynx

Question 18

Commonly called as the voice box.

Answer 18

Larynx

Question 19

Also called as adam’s. Apple.

Answer 19

Thyroid

Question 20

Inflammation of the mucous epithelium of the vocal folds.

Answer 20

Laryngitis

Question 21

The windpipe, allows air to flow into the lungs

Answer 21

Trachea

Question 22

During coughing, the smooth muscle of the trachea contracts decreasing the trachea’s diameter.

Answer 22

Cough Reflex

Question 23

Where gas exchange between the air and blood takes place.

Answer 23

Respiratory membrane

Question 24

The cavity that surrounds each lung.

Answer 24

Pleural Cavities.

Question 25

Covers the surface of the lungs.

Answer 25

Visceral Pleura

Question 26

Two Lymphatic Supplies

Answer 26

1. Superficial Lymphatic System 2. Deep Lymphatic System

Question 27

They drain lymph from the superficial lung tissue and the visceral pleura.

Answer 27

Superficial Lymphatic Vessels

Question 28

Drain lymph from the bronchi and associated connective tissues.

Answer 28

Deep Lymphatic Vessels

Question 29

The process of moving air into and out of the lungs

Answer 29

Ventilation or breathing

Question 30

Movement of air into the lungs

Answer 30

Inspiration or Inhalation

Question 31

Movement of air out of the lungs

Answer 31

Expiration

Question 32

Large dome of skeletal muscle that separates the thoracic cavity from the abdominal cavity

Answer 32

Diaphragm

Question 33

Inhaling requires a set of muscles called as

Answer 33

Muscles of Inspiration

Question 34

Two Factors keeping the lungs from collapsing

Answer 34

1. Surfactant 2. Pleural Pressure

Question 35

Process of measuring volumes of air that move into and out of the respiratory system

Answer 35

Spirometry

Question 36

Volume of air inspired or expired with each breath

Answer 36

Tidal Volume

Question 37

The sum of the inspiratory and expiratory reserves.

Answer 37

Total lung capacity

Question 38

CO2 is transported in three ways:

Answer 38

1. Dissolved in plasma 2. Transported bound to blood proteins 3. Transported in the form of bicarbonate ions.

Question 39

Generates the basic pattern of normal breathing

Answer 39

Medullary Respiratory Center

Question 40

The major chemical regulator for breathing

Answer 40

CO2

Question 41

Regular exercise can lead to:

Answer 41

1. Increased lung capacity 2. Decreased respiratory rate at rest