The Respiratory Tract: Structure and Function for Sport Performance

Question 1

Which part of the respiratory tract is responsible for filtering and warming the air we breathe?

Accepted Answer

Nose

Answer

Trachea

Answer

Larynx

Question 2

Which factor primarily stimulates the respiratory center in response to alterations in blood pH?

Accepted Answer

Changes in blood carbon dioxide levels

Answer

Variations in blood oxygen levels

Answer

Variations in blood pressure

Answer

Changes in heart rate

Question 3

Within the respiratory system, which structure is primarily responsible for facilitating gas exchange?

Accepted Answer

Lungs

Answer

Nose

Answer

Pharynx

Answer

Trachea

Question 4

In the respiratory tract, which organ is responsible for producing sounds, allowing for speech?

Accepted Answer

Larynx

Answer

Pharynx

Answer

Trachea

Answer

Bronchi

Question 5

Which of the following processes is NOT among the functions of the respiratory system?

Accepted Answer

Nutrient absorption

Answer

Gas exchange

Answer

Heat regulation

Answer

pH balance

Question 6

When oxygen is transported in the bloodstream, which protein is primarily responsible for carrying it?

Accepted Answer

Hemoglobin

Answer

Myoglobin

Answer

Plasma

Answer

Leukocytes

Question 7

Which type of muscle is primarily responsible for initiating inhalation?

Accepted Answer

Diaphragm

Answer

Intercostal muscles

Answer

Abdominal muscles

Answer

Pectoralis muscles

Question 8

In the respiratory system, what is the primary function of surfactant?

Accepted Answer

Reducing surface tension in the alveoli

Answer

Increasing airflow resistance

Answer

Promoting mucus production

Answer

Enhancing gas exchange efficiency

Question 9

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

Accepted Answer

Asthma

Answer

Emphysema

Answer

Pneumonia

Answer

Tuberculosis

Question 10

Which structure is responsible for generating sound during speech?

Accepted Answer

Larynx

Answer

Trachea

Answer

Pharynx

Answer

Bronchi

Question 11

What type of epithelial tissue lines the respiratory tract?

Accepted Answer

Pseudostratified ciliated columnar epithelium

Answer

Stratified squamous epithelium

Answer

Simple squamous epithelium

Answer

Adipose tissue

Question 12

Which section of the bronchi contains cartilage rings?

Accepted Answer

Primary bronchi

Answer

Secondary bronchi

Answer

Tertiary bronchi

Answer

Bronchioles

Question 13

What is the primary function of surfactant?

Accepted Answer

Reducing surface tension in the alveoli

Answer

Filtering inhaled particles

Answer

Transporting oxygen

Answer

Lubricating the respiratory passages

Question 14

Which neurotransmitter stimulates inspiration?

Accepted Answer

Acetylcholine

Answer

Dopamine

Answer

Epinephrine

Answer

Serotonin

Question 15

Which muscle group is responsible for exhalation?

Accepted Answer

Abdominal muscles

Answer

Diaphragm

Answer

External intercostals

Answer

Internal intercostals

Question 16

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

Accepted Answer

Sensory perception

Answer

Gas exchange

Answer

Temperature regulation

Answer

Acid-base balance

Question 17

What is the name of the cartilaginous flap that covers the glottis during swallowing?

Accepted Answer

Epiglottis

Answer

Thyroid cartilage

Answer

Trachea

Answer

Bronchus

Question 18

Which of the following is the smallest conducting airway in the respiratory tract?

Accepted Answer

Bronchiole

Answer

Bronchus

Answer

Trachea

Answer

Bronchus segmentalis

Question 19

What is the primary muscle responsible for inhalation?

Accepted Answer

Diaphragm

Answer

Intercostal muscles

Answer

Pectoralis major

Answer

Abdominal muscles

Question 20

Which type of tissue lines the alveoli and facilitates gas exchange?

Accepted Answer

Simple squamous epithelium

Answer

Connective tissue

Answer

Smooth muscle tissue

Answer

Nerve tissue

Question 21

What is the approximate partial pressure of oxygen in exhaled air?

Accepted Answer

40 mmHg

Answer

100 mmHg

Answer

150 mmHg

Answer

0 mmHg

Question 22

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

Accepted Answer

Reduces surface tension in the alveoli

Answer

Increases airway resistance

Answer

Protects against respiratory infections

Answer

Stimulates the diaphragm

Question 23

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