B2 the lung

Question 1

What is the primary function of the lungs?

Answer 1

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

Question 2

True or False: The lungs are part of the respiratory system.

Answer 2

True

Question 3

Fill in the blank: The process of breathing in is called _____ and the process of breathing out is called _____

Answer 3

inhalation; exhalation

Question 4

What is the name of the tiny air sacs in the lungs where gas exchange occurs?

Answer 4

Alveoli

Question 5

Which muscle is primarily responsible for the process of inhalation?

Answer 5

Diaphragm

Question 6

What is the role of the bronchi in the respiratory system?

Answer 6

To carry air from the trachea to the lungs.

Question 7

Multiple choice: What gas do we primarily inhale? A) Nitrogen B) Oxygen C) Carbon Dioxide

Answer 7

B) Oxygen

Question 8

True or False: The left lung is larger than the right lung.

Answer 8

False

Question 9

What is the term for the lining of the lungs?

Answer 9

Pleura

Question 10

Fill in the blank: The _____ is the tube that carries air to the lungs.

Answer 10

trachea

Question 11

What are the two main parts of the respiratory system?

Answer 11

Upper respiratory tract and lower respiratory tract.

Question 12

Multiple choice: Which of the following is NOT a function of the lungs? A) Gas exchange B) Regulating blood pH C) Producing hormones

Answer 12

C) Producing hormones

Question 13

What is the primary gas expelled during exhalation?

Answer 13

Carbon dioxide

Question 14

True or False: The alveoli are surrounded by capillaries.

Answer 14

True

Question 15

What is the purpose of surfactant in the lungs?

Answer 15

To reduce surface tension in the alveoli and prevent collapse.

Question 16

Fill in the blank: The _____ connects the throat to the lungs.

Answer 16

trachea

Question 17

What do we call the total volume of air that can be inhaled and exhaled in one breath?

Answer 17

Tidal volume

Question 18

Multiple choice: Which structure helps protect the lungs from foreign particles? A) Cilia B) Alveoli C) Bronchioles

Answer 18

A) Cilia

Question 19

What is the process by which oxygen moves from the alveoli into the blood called?

Answer 19

Diffusion

Question 20

True or False: The right lung has three lobes.

Answer 20

True

Question 21

What is the function of the nasal cavity in respiration?

Answer 21

To filter, warm, and moisten the air we breathe.

Question 22

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

Answer 22

epiglottis

Question 23

What is a common disease that affects lung function?

Answer 23

Asthma

Question 24

Multiple choice: Which of the following is a symptom of lung disease? A) Coughing B) Fever C) Rash

Answer 24

A) Coughing

Question 25

What is the main purpose of the diaphragm during breathing?

Answer 25

To create negative pressure in the thoracic cavity, drawing air into the lungs.

Question 26

True or False: Smoking can damage the alveoli.

Answer 26

True