2.1 Stucture Of The Reapiratory System

Question 1

What is the primary function of the respiratory system?

Answer 1

To facilitate gas exchange, primarily oxygen intake and carbon dioxide removal.

Question 2

True or False: The respiratory system is only responsible for breathing.

Answer 2

False.

Question 3

Fill in the blank: The __________ is the initial part of the respiratory system where air enters.

Answer 3

Nasal cavity.

Question 4

What structure connects the pharynx to the lungs?

Answer 4

The trachea.

Question 5

Multiple Choice: Which of the following is NOT a part of the lower respiratory tract? A) Bronchi B) Alveoli C) Larynx D) Trachea

Answer 5

C) Larynx.

Question 6

What are the tiny air sacs in the lungs where gas exchange occurs called?

Answer 6

Alveoli.

Question 7

True or False: The diaphragm is a muscle that plays a crucial role in respiration.

Answer 7

True.

Question 8

Fill in the blank: The __________ is a flap of tissue that prevents food from entering the trachea during swallowing.

Answer 8

Epiglottis.

Question 9

What is the function of the bronchi?

Answer 9

To carry air from the trachea into the lungs.

Question 10

Multiple Choice: Which structure produces sound in the respiratory system? A) Pharynx B) Larynx C) Trachea D) Bronchi

Answer 10

B) Larynx.

Question 11

What is the role of cilia in the respiratory system?

Answer 11

To trap and move particles out of the airways.

Question 12

True or False: The right lung has three lobes while the left lung has two lobes.

Answer 12

True.

Question 13

Fill in the blank: The __________ membrane surrounds the lungs and provides lubrication.

Answer 13

Pleural.

Question 14

What is the primary muscle involved in inhalation?

Answer 14

The diaphragm.

Question 15

Multiple Choice: Which part of the respiratory system is responsible for humidifying and warming the air? A) Larynx B) Nasal cavity C) Alveoli D) Bronchioles

Answer 15

B) Nasal cavity.

Question 16

What is the main role of the alveolar-capillary membrane?

Answer 16

To facilitate the exchange of gases between the alveoli and blood.

Question 17

True or False: Gas exchange occurs in the bronchi.

Answer 17

False.

Question 18

Fill in the blank: The __________ are the smallest branches of the bronchi.

Answer 18

Bronchioles.

Question 19

What is the significance of surfactant in the lungs?

Answer 19

It reduces surface tension in the alveoli, preventing collapse.

Question 20

Multiple Choice: Which of the following structures is responsible for the exchange of oxygen and carbon dioxide? A) Trachea B) Alveoli C) Bronchi D) Larynx

Answer 20

B) Alveoli.

Question 21

What is the function of the respiratory mucosa?

Answer 21

To trap particles and pathogens in the air.

Question 22

True or False: The left lung is smaller than the right lung due to the presence of the heart.

Answer 22

True.

Question 23

Fill in the blank: The __________ is the passageway shared by both the respiratory and digestive systems.

Answer 23

Pharynx.

Question 24

What is the role of the external intercostal muscles during inhalation?

Answer 24

To elevate the rib cage and expand the thoracic cavity.

Question 25

Multiple Choice: Which part of the respiratory system filters and warms the air before it reaches the lungs? A) Trachea B) Bronchi C) Nasal cavity D) Alveoli

Answer 25

C) Nasal cavity.

Question 26

What is the primary gas exchanged in the alveoli?

Answer 26

Oxygen.