Finals

Question 1

What are the structures of the upper respiratory tract?

Answer 1

Nostrils, Nasal Passages, Pharynx, Larynx, Trachea

Question 2

The process of drawing air into the lungs

Answer 2

Inspiration

Question 3

A thin sheet of skeletal muscle that forms the caudal boundary of the thorax

Answer 3

Diaphragm

Question 4

A small, well-defined area on the medial side of the lungs where air, blood, lymph and nerves enter and leave the lung

Answer 4

Hilus

Question 5

The process of pushing air out of the lungs

Answer 5

Expiration

Question 6

The movement of oxygen from the outside air to the cells in an animal’s body, and the movement of carbon dioxide in the opposite direction

Answer 6

Respiration

Question 7

The volume of air remaining in the lungs after the maximum amount of air has been forced out by expiration

Answer 7

Residual Volume

Question 8

Tiny, thin-walled sacs that are surrounded by capillaries

Answer 8

Alveoli

Question 9

Thin, scroll-like bones covered with nasal epithelium that occupy most of the lumen of the nasal passages

Answer 9

Turbinates

Question 10

Outpouchings of the nasal passages that are housed within spaces in areas of skull bones

Answer 10

Sinuses

Question 11

The volume of air that an animal breathes in and out during 1 minute

Answer 11

Minute Volume

Question 12

The volume of air breathed in and out in one breath

Answer 12

Tidal Volume

Question 13

Separates the left and right nasal passages

Answer 13

Nasal Septum

Question 14

The pharynx is a common passageway for which 2 systems?

Answer 14

Respiratory and Digestive

Question 15

What divides the nasopharynx from the oropharynx?

Answer 15

Soft Palate

Question 16

What does the respiratory system open into at the caudal end of the pharynx?

Answer 16

Larynx

Question 17

What is the structure that covers the larynx opening during swallowing?

Answer 17

Epiglottis

Question 18

Where do the vocal cords attach to?

Answer 18

Arytenoid Cartiledge

Question 19

What are the structures of the lower respiratory tract?

Answer 19

Bronchi, Bronchioles, Alveolar ducts, Alveoli

Question 20

What is the hilus of the lung?

Answer 20

the wedge-shaped area on the central portion of each lung

Question 21

What are the muscles of inspiration?

Answer 21

Diaphragm, external intercostals

Question 22

What are the main expiratory muscles?

Answer 22

Internal intercostals, Abdominal muscles

Question 23

What is the basic difference between the functions of the mechanical and chemical respiratory control systems?

Answer 23

The mechanical breathing control system is basically preset and automatic, whereas the chemical control system monitors the blood and only affects the breathing pattern if something gets out of balance.