Respiration System

Question 1

What is the primary function of the human respiratory system?

Answer 1

To facilitate the exchange of oxygen and carbon dioxide.

Question 2

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

Answer 2

True

Question 3

Fill in the blank: The __________ are the main organs of the respiratory system.

Answer 3

lungs

Question 4

What is the pathway of air during inhalation?

Answer 4

Nasal cavity → pharynx → larynx → trachea → bronchi → lungs

Question 5

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

Answer 5

Alveoli

Question 6

Multiple Choice: Which structure is responsible for producing sound?

Answer 6

Larynx

Question 7

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

Answer 7

To trap and move particles out of the airways.

Question 8

True or False: The respiratory system is responsible for the digestion of food.

Answer 8

False

Question 9

What gas do we primarily inhale?

Answer 9

Oxygen

Question 10

What gas do we primarily exhale?

Answer 10

Carbon dioxide

Question 11

Multiple Choice: Which part of the brain regulates breat

Answer 11

Medulla oblongata

Question 12

Fill in the blank: The __________ is a tube that connects the throat to the lungs.

Answer 12

trachea

Question 13

What is the function of the pleura?

Answer 13

To provide lubrication and reduce friction between the lungs and chest wall.

Question 14

True or False: The respiratory system also helps regulate body temperature.

Answer 14

True

Question 15

What is the term for the volume of air inhaled or exhaled during normal breathing?

Answer 15

Tidal volume

Question 16

Multiple Choice: Which condition is characterized by difficulty in breathing?

Answer 16

Asthma

Question 17

What role does surfactant play in the lungs?

Answer 17

It reduces surface tension in the alveoli, preventing collapse.

Question 18

Fill in the blank: The __________ divides the thoracic cavity from the abdominal cavity.

Answer 18

diaphragm

Question 19

What is the primary muscle used in inhalation?

Answer 19

Diaphragm

Question 20

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

Answer 20

False

Question 21

What are the two main branches of the trachea called?

Answer 21

Bronchi

Question 22

Multiple Choice: Which respiratory condition is caused by long-term exposure to irritants?

Answer 22

Chronic obstructive pulmonary disease (COPD)

Question 23

What is the purpose of the nasal cavity?

Answer 23

To filter, warm, and humidify the air.

Question 24

Fill in the blank: The exchange of gases occurs in the __________.

Answer 24

alveoli

Question 25

True or False: The respiratory system has no role in the immune response.

Answer 25

False

Question 26

What is the main function of the bronchial tubes?

Answer 26

To carry air to and from the lungs.

Question 27

What is the total lung capacity (TLC)?

Answer 27

The total volume of air the lungs can hold.

Question 28

True or False: The vital capacity (VC) includes residual volume.

Answer 28

False

Question 29

Fill in the blank: The _____ is the maximum amount of air that can be exhaled after a maximum inhalation.

Answer 29

vital capacity

Question 30

What is the definition of tidal volume (TV)?

Answer 30

The amount of air inhaled or exhaled during normal breathing.

Question 31

Which lung capacity is measured during normal breathing?

Answer 31

Tidal volume (TV)

Question 32

What does inspiratory reserve volume (IRV) measure?

Answer 32

The amount of air that can be inhaled after a normal inhalation.

Question 33

What is expiratory reserve volume (ERV)?

Answer 33

The amount of air that can be forcibly exhaled after a normal exhalation.

Question 34

True or False: Residual volume (RV) can be voluntarily exhaled.

Answer 34

False

Question 35

Which lung capacity can be affected by restrictive lung diseases?

Answer 35

Total lung capacity (TLC)

Question 36

What is the typical tidal volume for a healthy adult at rest?

Answer 36

Approximately 500 mL

Question 37

What is the role of residual volume (RV) in the lungs?

Answer 37

To prevent lung collapse by keeping the alveoli open.

Question 38

Fill in the blank: The _____ is the maximum volume of air that can be inhaled after a normal expiration.

Answer 38

inspiratory capacity

Question 39

What is the normal range for total lung capacity in adults?

Answer 39

Approximately 6 liters

Question 40

What is the significance of measuring lung capacities?

Answer 40

To assess respiratory function and diagnose lung diseases.

Question 41

Which lung capacity is primarily measured during pulmonary function tests?

Answer 41

Vital capacity (VC)

Question 42

True or False: Lung capacities can be influenced by age, gender, and physical fitness.

Answer 42

True

Question 43

What is the primary component of lung volume that cannot be measured by spirometry?

Answer 43

Residual volume (RV)

Question 44

What does a decreased vital capacity indicate?

Answer 44

Possible restrictive lung disease or reduced lung function.

Question 45

Fill in the blank: The _____ is the volume of air remaining in the lungs after a maximal exhalation.

Answer 45

residual volume

Question 46

What is the difference between lung capacity and lung volume?

Answer 46

Lung capacity refers to the maximum amount of air the lungs can hold, while lung volume is the amount of air present in the lungs at a given time.

Question 47

True or False: Lung capacities are the same for all individuals regardless of size or health.

Answer 47

False