Master the Respiratory System: Interactive Quizzes for Physical Education Year 12

Question 1

Which part of the brain is primarily responsible for regulating breathing?

Accepted Answer

Medulla oblongata

Answer

Cerebral cortex

Answer

Hypothalamus

Answer

Cerebellum

Question 2

What is the primary function of the pleura in the respiratory system?

Accepted Answer

Line the lungs and pleural cavity

Answer

Produce surfactant

Answer

Facilitate gas exchange

Answer

Control breathing rate

Question 3

In assessing respiratory function, which of the following lung volumes represents the maximum amount of air that can be forcefully exhaled after a maximal inspiration?

Accepted Answer

B. Vital capacity

Answer

A. Tidal volume

Answer

C. Residual volume

Answer

D. Inspiratory reserve volume

Question 4

The partial pressure of a gas in a mixture:

Accepted Answer

A. Represents the pressure exerted by that gas

Answer

B. Is independent of the total pressure of the gas mixture

Answer

C. Is always higher than the total pressure of the gas mixture

Answer

D. Is unaffected by the temperature and volume of the gas mixture

Question 5

What is the main function of the respiratory system?

Accepted Answer

Facilitate gas exchange between the body and the environment

Answer

Filter and detoxify blood

Answer

Regulate body temperature

Answer

Generate ATP for cellular processes

Question 6

What is the primary function of the trachea in the human respiratory system?

Accepted Answer

Conducts air in and out of the lungs

Answer

Facilitates gas exchange between the lungs and bloodstream

Answer

Filters and purifies inhaled air before it enters the lungs

Question 7

Which of the following is the primary function of the respiratory system?

Accepted Answer

Gas exchange

Answer

Regulation of body temperature

Answer

Voice production

Answer

Digestion

Question 8

What is the process by which gases move between the lungs and the blood?

Accepted Answer

Diffusion

Answer

Ventilation

Answer

Perfusion

Answer

Respiration

Question 9

Which of the following is a common respiratory disease characterized by chronic inflammation of the airways and difficulty breathing?

Accepted Answer

Asthma

Answer

Emphysema

Answer

Pneumonia

Answer

Tuberculosis

Question 10

What is the function of the cilia in the respiratory tract?

Accepted Answer

To trap and remove foreign particles

Answer

To produce mucus

Answer

To exchange gases

Answer

To facilitate speech

Question 11

What is the name of the condition characterized by chronic inflammation and scarring of the lung tissue, leading to shortness of breath?

Accepted Answer

Emphysema

Answer

Bronchitis

Answer

Pneumonia

Answer

Asthma

Question 12

Which muscle is primarily involved in the process of inhalation?

Accepted Answer

Diaphragm

Answer

Intercostal muscles

Answer

Abdominal muscles

Answer

Laryngeal muscles

Question 13

Which respiratory gas is transported by haemoglobin in red blood cells?

Accepted Answer

Oxygen

Answer

Carbon dioxide

Answer

Nitrogen

Answer

Helium

Question 14

Which of the following mechanisms does the body use to regulate respiratory rate?

Accepted Answer

Chemoreceptors

Answer

Baroreceptors

Answer

Thermoreceptors

Answer

Photoreceptors

Question 15

What is the role of surfactant in the lungs?

Accepted Answer

To decrease surface tension and prevent alveolar collapse

Answer

To increase surface tension and prevent alveolar collapse

Answer

To increase gas exchange between alveoli and capillaries

Answer

To regulate airway diameter

Question 16

Which of the following respiratory diseases is characterized by inflammation and narrowing of the airways?

Accepted Answer

Asthma

Answer

Chronic obstructive pulmonary disease (COPD)

Answer

Pneumonia

Answer

Tuberculosis

Question 17

Which part of the respiratory system is primarily responsible for gas exchange?

Accepted Answer

Alveoli

Answer

Trachea

Answer

Bronchi

Answer

Pleura

Question 18

During the process of swallowing, what is the primary role of the epiglottis?

Accepted Answer

To prevent food from entering the trachea

Answer

To regulate airflow into the lungs

Answer

To produce sound

Answer

To warm and moisten inhaled air

Question 19

Which of the following is NOT a primary function of the respiratory system?

Accepted Answer

Nutrient absorption

Answer

Gas exchange

Answer

Regulation of pH balance

Answer

Voice production

Question 20

Which of the following is NOT a common respiratory disorder?

Accepted Answer

Gastroesophageal Reflux Disease (GERD)

Answer

Asthma

Answer

Chronic Obstructive Pulmonary Disease (COPD)

Answer

Tuberculosis

Question 21

What is the primary mechanism that drives the movement of gases across the respiratory membrane?

Accepted Answer

Diffusion

Answer

Active Transport

Answer

Osmosis

Answer

Filtration

Question 22

Which structure is accountable for the transportation of oxygenated blood away from the heart?

Accepted Answer

Artery

Answer

Vein

Answer

Capillary

Question 23

What is the primary role of the diaphragm in respiration?

Accepted Answer

To contract and expand the lungs

Answer

To regulate heart rate

Answer

To filter inhaled air

Question 24

Which gas is predominantly carried by haemoglobin in red blood cells?

Accepted Answer

Oxygen

Answer

Carbon dioxide

Answer

Helium

Question 25

What is the main function of the bronchi?

Accepted Answer

To conduct air into the lungs

Answer

To exchange gases with the blood

Answer

To regulate body temperature

Question 26

What is the term for the exchange of gases between the alveoli and the blood capillaries?

Accepted Answer

Gas diffusion

Answer

External respiration

Question 27

What is the role of the surfactant in the lungs?

Accepted Answer

To prevent the alveoli from collapsing

Answer

To regulate gas exchange

Question 28

Which of the following respiratory disorders is characterized by inflammation and narrowing of the airways?

Accepted Answer

Asthma

Question 29

Which of the following is the microscopic structure in the lungs responsible for gas exchange?

Accepted Answer

Alveoli

Answer

Bronchi

Answer

Trachea

Answer

Pleura

Question 30

The movement of gases into and out of the lungs is known as:

Accepted Answer

Ventilation

Answer

Diffusion

Answer

Osmosis

Answer

Perfusion

Question 31

Which of the following muscle groups is primarily responsible for the contraction and expansion of the lungs?

Accepted Answer

Diaphragm and intercostal muscles

Answer

Abdominal and pectoral muscles

Answer

Trapezius and latissimus dorsi muscles

Answer

Gluteus maximus and quadriceps muscles

Question 32

The region of the brainstem that controls and regulates breathing is the:

Accepted Answer

Medulla oblongata

Answer

Cerebellum

Answer

Pons

Answer

Thalamus

Question 33

The site where gas exchange between the blood and the external environment occurs is the:

Accepted Answer

Alveoli

Answer

Bronchioles

Answer

Trachea

Answer

Larynx

Question 34

Which of the following substances in the blood triggers an increase in respiratory rate?

Accepted Answer

Carbon dioxide

Answer

Oxygen

Answer

Nitrogen

Answer

Helium

Question 35

Which of the following is NOT a risk factor for developing respiratory problems?

Accepted Answer

Regular exercise

Answer

Smoking

Answer

Air pollution

Answer

Obesity

Question 36

The tiny hairs lining the respiratory tract, called cilia, primarily function to:

Accepted Answer

Trap and remove foreign particles

Answer

Filter inhaled air

Answer

Facilitate gas exchange

Answer

Produce mucus

Question 37

Which of the following is NOT a primary function of the respiratory system?

Accepted Answer

Production of hormones

Answer

Gas exchange

Answer

Regulation of blood pH

Answer

Protection against pathogens

Question 38

Which part of the respiratory system is responsible for gas exchange?

Accepted Answer

Alveoli

Answer

Trachea

Answer

Bronchi

Answer

Pharynx

Question 39

The process by which oxygen and carbon dioxide are exchanged between the blood and the air is called:

Accepted Answer

Diffusion

Answer

Inspiration

Answer

Expiration

Answer

Respiration

Question 40

The primary muscle of inspiration is the:

Accepted Answer

Diaphragm

Answer

Intercostal muscles

Answer

Abdominal muscles

Answer

Pectoralis major

Question 41

Which of the following is a common respiratory disease characterized by chronic inflammation and narrowing of the airways?

Accepted Answer

Asthma

Answer

Emphysema

Answer

Pneumonia

Answer

Tuberculosis

Question 42

The exchange of gases between the blood and the air in the lungs is known as:

Accepted Answer

External respiration

Answer

Internal respiration

Answer

Cellular respiration

Answer

Ventilation

Question 43

The volume of air that represents the maximum amount that can be exhaled after a maximum inspiration is called:

Accepted Answer

Vital capacity

Answer

Tidal volume

Answer

Residual volume

Answer

Inspiratory reserve volume

Question 44

Which of the following gases is produced as a waste product of cellular respiration?

Accepted Answer

Carbon dioxide

Answer

Oxygen

Answer

Nitrogen

Answer

Helium

Question 45

Which muscle plays the primary role in the process of inhalation?

Accepted Answer

Diaphragm

Answer

Abdominal muscles

Answer

Intercostal muscles

Answer

Trapezius muscle

Question 46

What is the primary function of the alveoli in the respiratory system?

Accepted Answer

Exchange of gases between blood and air

Answer

Secretion of mucus

Answer

Humidification of inhaled air

Answer

Warming of inhaled air

Question 47

What is the primary role of hemoglobin in the respiratory system?

Accepted Answer

Transport of oxygen

Answer

Transport of carbon dioxide

Answer

Regulation of pH levels

Answer

Prevention of blood clots

Question 48

Which respiratory disorder is characterized by chronic inflammation of the airways?

Accepted Answer

Asthma

Answer

Emphysema

Answer

Lung cancer

Answer

Tuberculosis

Question 49

What is the distinction between internal and external respiration?

Accepted Answer

Internal respiration involves gas exchange in the tissues, while external respiration involves gas exchange in the lungs.

Answer

Internal respiration involves gas exchange in the lungs, while external respiration involves gas exchange in the tissues.

Answer

Internal and external respiration both involve gas exchange in the lungs.

Answer

Internal and external respiration both involve gas exchange in the tissues.

Question 50

What is the primary function of the diaphragm in the respiratory system?

Accepted Answer

Separation of the thoracic and abdominal cavities

Answer

Control of airflow through the airways

Answer

Regulation of respiratory rate

Answer

Exchange of gases

Question 51

Where does gas exchange occur in the respiratory system?

Accepted Answer

Alveoli

Answer

Lungs

Answer

Trachea

Answer

Bronchi

Question 52

Which of the following is not a function of the respiratory system?

Accepted Answer

Nutrient absorption

Answer

Gas exchange

Answer

pH regulation

Answer

Thermoregulation

Question 53

What is the name of the thin membrane that allows for gas exchange between the lungs and bloodstream?

Accepted Answer

Alveolar-capillary membrane

Answer

Pleura

Answer

Pericardium

Answer

Bronchial mucosa

Question 54

Which of the following respiratory disorders is characterized by chronic inflammation and narrowing of the airways?

Accepted Answer

Asthma

Answer

Emphysema

Answer

Pneumonia

Answer

Tuberculosis

Question 55

What is the primary function of surfactant in the lungs?

Accepted Answer

To reduce surface tension and prevent alveolar collapse

Answer

To regulate gas exchange between the blood and alveoli

Answer

To protect the respiratory tract from pathogens

Answer

To aid in the production of mucus

Question 56

How does the body primarily respond to an increase in blood carbon dioxide levels?

Accepted Answer

Increase in respiratory rate

Answer

Decrease in respiratory rate

Answer

Increase in cardiac output

Answer

Decrease in peripheral resistance

Question 57

Which of the following is NOT a primary function of the respiratory system?

Accepted Answer

Digestion

Answer

Gas exchange

Answer

Acid-base balance

Answer

Immune defense

Question 58

The primary site of gas exchange in the lungs is the:

Accepted Answer

Alveoli

Answer

Bronchi

Answer

Trachea

Answer

Pleural cavity

Question 59

The process of removing waste products, such as mucus, from the lungs is known as:

Accepted Answer

Clearance

Answer

Ventilation

Answer

Perfusion

Answer

Diffusion

Question 60

Which of the following is a common respiratory disease characterized by recurring episodes of airway narrowing?

Accepted Answer

Asthma

Answer

Emphysema

Answer

Bronchitis

Answer

Pneumonia

Question 61

The recommended physical activity guidelines for adolescents include:

Accepted Answer

A combination of both moderate- and vigorous-intensity aerobic activity

Answer

At least 150 minutes of moderate-intensity aerobic activity per week

Answer

At least 75 minutes of vigorous-intensity aerobic activity per week

Answer

At least 300 minutes of light-intensity aerobic activity per week

Question 62

The volume of air that remains in the lungs after a maximal expiration is known as:

Accepted Answer

Residual volume

Answer

Tidal volume

Answer

Inspiratory reserve volume

Answer

Vital capacity