Master the Respiratory System: Interactive Quizzes for Physical Education Year 13

Question 1

Where does the primary gas exchange occur in the lungs?

Accepted Answer

Alveoli

Answer

Bronchi

Answer

Trachea

Answer

Bronchioles

Question 2

How is oxygen primarily transported in the blood?

Accepted Answer

Bound to haemoglobin

Answer

Dissolved in plasma

Answer

Bound to carbon dioxide

Answer

Combined with water

Question 3

Which of the following is NOT a respiratory adaptation to exercise?

Accepted Answer

Increased diffusion distance

Answer

Increased tidal volume

Answer

Increased surface area of the alveoli

Answer

Increased respiratory rate

Question 4

Which gas becomes toxic to the body when present in high concentrations?

Accepted Answer

Carbon dioxide

Answer

Oxygen

Answer

Helium

Answer

Nitrogen

Question 5

What is the primary cause of shortness of breath during strenuous exercise?

Accepted Answer

Insufficient oxygen delivery to the muscles

Answer

Accumulation of lactic acid in the muscles

Answer

Reduced lung capacity

Answer

Increased heart rate

Question 6

Which of the following respiratory conditions is NOT associated with smoking?

Accepted Answer

Asthma

Answer

Bronchitis

Answer

Emphysema

Answer

Lung cancer

Question 7

The respiratory centre in the brain is located in the:

Accepted Answer

Medulla oblongata

Answer

Cerebrum

Answer

Cerebellum

Answer

Pons

Question 8

The exchange of gases between the blood and the alveoli occurs through:

Accepted Answer

Diffusion

Answer

Osmosis

Answer

Active transport

Answer

Facilitated diffusion

Question 9

The respiratory centre in the brain is located in the:

Accepted Answer

Medulla oblongata

Answer

Cerebrum

Answer

Hypothalamus

Answer

Thalamus

Question 10

The lung capacity that measures the maximum volume of air that can be expelled from the lungs after a maximal inspiration is known as:

Accepted Answer

Vital capacity

Answer

Total lung capacity

Answer

Residual volume

Answer

Forced expiratory volume in 1 second

Question 11

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

Accepted Answer

Digestion

Answer

Gas exchange

Answer

Acid-base balance

Answer

Temperature regulation

Question 12

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

Accepted Answer

Asthma

Answer

Emphysema

Answer

Pneumonia

Answer

Tuberculosis

Question 13

The respiratory system adapts to exercise by:

Accepted Answer

Increasing ventilation rate and tidal volume to meet the increased oxygen demand

Answer

Decreasing heart rate and blood pressure to conserve energy

Answer

Reducing oxygen consumption to prevent fatigue

Answer

Dilating blood vessels in the skin to dissipate heat

Question 14

Which of the following muscles is primarily responsible for exhalation?

Accepted Answer

Abdominal muscles

Answer

Diaphragm

Answer

Intercostals

Answer

Pectoralis major

Question 15

At high altitudes, the respiratory system adapts to maintain oxygen delivery to the body. Which of the following is a specific adaptation that helps achieve this?

Accepted Answer

Increased red blood cell production

Answer

Reduced breathing rate

Answer

Decreased oxygen consumption

Answer

Increased heart rate

Question 16

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

Accepted Answer

Digestion

Answer

Gas exchange

Answer

Regulation of blood pH

Answer

Sound production

Question 17

Which type of cell lining is found in the delicate gas exchange surfaces of the alveoli?

Accepted Answer

Squamous epithelium

Answer

Columnar epithelium

Answer

Cuboidal epithelium

Answer

Stratified epithelium

Question 18

What is the primary waste product of cellular respiration?

Accepted Answer

Carbon dioxide

Answer

Oxygen

Answer

Water

Answer

Glucose

Question 19

Which of the following is a common respiratory disorder characterized by airway inflammation and constriction?

Accepted Answer

Asthma

Answer

Emphysema

Answer

Hypertension

Answer

Diabetes

Question 20

Which of the following is NOT a common respiratory therapy used to manage respiratory disorders?

Accepted Answer

Surgery

Answer

Inhalers

Answer

Oxygen therapy

Answer

Physical therapy

Question 21

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

Accepted Answer

Gas exchange

Answer

Regulation of blood pH

Answer

Nutrient absorption

Answer

Production of hormones

Question 22

Which anatomical structure within the lungs is responsible for the exchange of gases (oxygen and carbon dioxide) between the blood and the air?

Accepted Answer

Alveoli

Answer

Bronchi

Answer

Trachea

Answer

Pleura

Question 23

Identify the primary muscle responsible for the process of inhalation, which brings air into the lungs.

Accepted Answer

Diaphragm

Answer

Intercostal muscles

Answer

Abdominal muscles

Answer

Pectoralis major

Question 24

Which region of the brain acts as the primary control center for regulating the rate and depth of breathing?

Accepted Answer

Medulla oblongata

Answer

Cerebellum

Answer

Hypothalamus

Answer

Pons

Question 25

Which of the following is NOT a physiological adaptation of the respiratory system in response to exercise?

Accepted Answer

Decreased oxygen consumption

Answer

Increased tidal volume (amount of air inhaled or exhaled with each breath)

Answer

Elevated respiratory rate (number of breaths per minute)

Answer

Increased hemoglobin concentration

Question 26

Which respiratory condition is characterized by chronic inflammation and narrowing of the airways, causing difficulty breathing?

Accepted Answer

Asthma

Answer

Emphysema

Answer

Pneumonia

Answer

Tuberculosis

Question 27

Which blood protein is essential for binding and transporting oxygen throughout the body?

Accepted Answer

Hemoglobin

Answer

Globin

Answer

Myoglobin

Answer

Albumin

Question 28

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

Accepted Answer

Digestion of food

Answer

Gas exchange

Answer

Voice production

Answer

Regulation of blood pH

Question 29

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

Accepted Answer

Alveoli

Answer

Trachea

Answer

Bronchioles

Answer

Pleural cavity

Question 30

Which neurotransmitter triggers contraction of the diaphragm during inhalation?

Accepted Answer

Acetylcholine

Answer

Dopamine

Answer

Epinephrine

Answer

Serotonin

Question 31

What is the name of the double-layered membrane that encloses the lungs and lines the thoracic cavity?

Accepted Answer

Pleura

Answer

Diaphragm

Answer

Pericardium

Answer

Peritoneum

Question 32

What is the primary function of hemoglobin in oxygen transport?

Accepted Answer

Binds to oxygen in the lungs and releases it in the tissues

Answer

Regulates the rate of gas exchange

Answer

Transports oxygen directly across the respiratory membrane

Question 33

Which of the following is a symptom of acute respiratory distress syndrome?

Accepted Answer

Rapid, shallow breathing

Answer

Slow, deep breathing

Answer

Absence of breathing

Question 34

What is the primary mechanism by which the respiratory system responds to the increased oxygen demands of physical exercise?

Accepted Answer

Increased ventilation

Answer

Increased oxygen consumption

Answer

Increased blood pressure

Answer

Decreased heart rate

Question 35

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

Accepted Answer

Transporting nutrients

Answer

Maintaining pH balance

Answer

Gas exchange

Answer

Regulating body temperature

Question 36

Which of the following structures is the primary site for filtering inhaled air?

Accepted Answer

Nasal cavity

Answer

Lungs

Answer

Trachea

Answer

Diaphragm

Question 37

What is the main role of surfactant in the respiratory system?

Accepted Answer

Reduces surface tension in the alveoli

Answer

Promotes gas exchange

Answer

Clears mucus from the airways

Answer

Increases airway resistance

Question 38

What is a key characteristic of Type II alveolar cells?

Accepted Answer

They secrete surfactant

Answer

They produce carbon dioxide

Answer

They are responsible for phagocytosis

Answer

They exchange gases with the bloodstream

Question 39

How is oxygen primarily transported in the blood?

Accepted Answer

Bound to hemoglobin

Answer

Bound to carbon dioxide

Answer

As free oxygen molecules

Answer

Dissolved in plasma

Question 40

Which of the following factors does NOT directly increase the rate of respiration?

Accepted Answer

Low blood pressure

Answer

Increased body temperature

Answer

High levels of carbon dioxide

Question 41

What does the respiratory quotient (RQ) indicate?

Accepted Answer

The ratio of carbon dioxide produced to oxygen consumed

Answer

The efficiency of gas exchange

Answer

The volume of air inhaled

Question 42

Which of the following adaptations is commonly seen in the respiratory system of individuals who engage in chronic endurance exercise?

Accepted Answer

Increased number of capillaries in the lungs

Answer

Reduced respiratory rate

Answer

Thickening of the airways

Answer

Decreased lung volume