LUNGS&PLEURA (TF)

Question 1

The trachea is located anterior to the esophagus

Answer 1

true

Question 2

The left lung has three lobes.

Answer 2

(False, the left lung has two lobes.)

Question 3

. The pleural cavity contains a large amount of air.

Answer 3

(False, it contains a small amount of serous fluid.)

Question 4

The bronchioles have cartilage in their walls.

Answer 4

(False, they lack cartilage.)

Question 5

The alveoli are the sites of gas exchange.

Answer 5

true

Question 6

The right primary bronchus is more vertical than the left

Answer 6

TRUE

Question 7

The visceral pleura lines the thoracic cavity

Answer 7

. (False, the parietal pleura lines the thoracic cavity, and the visceral pleura covers the lungs.)

Question 8

Surfactant increases the surface tension in the alveoli.

Answer 8

(False, it decreases surface tension.)

Question 9

The trachea is made up of smooth muscle only.

Answer 9

(False, it has C - shaped cartilage rings and smooth muscle.)

Question 10

The lungs are located in the abdominal cavity. (

Answer 10

False, they are in the thoracic cavity.)

Question 11

The tertiary bronchi supply bronchopulmonary segments.

Answer 11

TRUE

Question 12

The pleural fluid helps in reducing friction during breathing.

Answer 12

true

Question 13

The alveolar type I cells produce surfactant.

Answer 13

(False, alveolar type II cells produce surfactant.)

Question 14

The pulmonary arteries carry oxygenated blood.

Answer 14

(False, they carry deoxygenated blood.)

Question 15

The carina is the point where the trachea branches into the bronchi.

Answer 15

true

Question 16

The bronchi are part of the respiratory zone.

Answer 16

(False, they are part of the conducting zone.)

Question 17

The costophrenic angle is a part of the pleural cavity.

Answer 17

true

Question 18

The lungs have a rich blood supply

Answer 18

true

Question 19

The trachea is approximately 20 - 25 cm long in adults.

Answer 19

(False, it is about 10 - 12 cm long.)

Question 20

The sympathetic nervous system causes bronchoconstriction

Answer 20

. (False, it causes bronchodilation.)

Question 21

The right lung is smaller than the left lung

Answer 21

. (False, the right lung is larger.)

Question 22

The pleura is a mucous membrane.

Answer 22

(False, it is a serous membrane.)

Question 23

The terminal bronchioles lead to the respiratory bronchioles.

Answer 23

true

Question 24

The alveoli are surrounded by a network of lymphatic vessels.

Answer 24

(False, they are surrounded by capillaries.)

Question 25

The trachea bifurcates at the level of the fifth thoracic vertebra.

Answer 25

true

Question 26

The bronchioles are involved in gas exchange.

Answer 26

(False, mainly the alveoli are involved in gas exchange.)

Question 27

The pulmonary veins carry deoxygenated blood.

Answer 27

(False, they carry oxygenated blood.)

Question 28

The visceral pleura is in direct contact with the parietal pleura.

Answer 28

(False, there is a thin layer of pleural fluid between them.)

Question 29

The cilia in the trachea move mucus and particles downward. (

Answer 29

False, they move them upward towards the pharynx.)

Question 30

The lungs are separated by the mediastinum

Answer 30

true

Question 31

The bronchi have smooth muscle that can control their diameter.

Answer 31

true

Question 32

The respiratory membrane is composed of the alveolar epithelium only

Answer 32

. (False, it includes the alveolar epithelium and capillary endothelium.)

Question 33

The hilum of the lung is where the blood vessels and nerves enter and leave.

Answer 33

true

Question 34

The pleural cavity has a positive pressure compared to the atmosphere.

Answer 34

(False, it has a negative pressure.)

Question 35

The azygos vein arches over the left primary bronchus

Answer 35

(False, it arches over the right primary bronchus.)

Question 36

The tracheal cartilages are O - shaped.

Answer 36

(False, they are C - shaped.)

Question 37

The alveolar macrophages help in removing foreign particles from the alveoli.

Answer 37

true

Question 38

The conducting zone of the respiratory system is responsible for gas exchange

Answer 38

(False, it is for air transport.)

Question 39

The pleural reflection defines the boundaries of the pleural cavity

Answer 39

true

Question 40

The elastic recoil of the lungs helps in inspiration.

Answer 40

False, it helps in expiration.)

Question 41

The trachealis muscle can relax to increase the tracheal diameter.

Answer 41

true

Question 42

The lungs have a single blood supply

Answer 42

. (False, they have the pulmonary and bronchial circulations.)

Question 43

The terminal bronchioles are the smallest airways in the conducting zone.

Answer 43

true

Question 44

The serous fluid in the pleural cavity is produced by the pleura.

Answer 44

true

Question 45

The alveoli have a small surface area.

Answer 45

(False, they have a large surface area.)

Question 46

The parasympathetic nervous system causes bronchodilation

Answer 46

. (False, it causes bronchoconstriction.)

Question 47

The bronchi divide into smaller branches called bronchioles

Answer 47

true

Question 48

The pleura is continuous with the pericardium.

Answer 48

(False, they are separate structures.)

Question 49

The pulmonary ventilation is the process of gas exchange in the lungs.

Answer 49

(False, it is the movement of air in and out of the lungs.)

Question 50

The lungs are covered by a single layer of cells.

Answer 50

(False, they have multiple layers of cells including the alveolar epithelium and others.)