Respiratory System Structure and Function Quizzes for Anatomy and Physiology for Sport

Question 1

Which hormone increases breathing rate and depth by stimulating the respiratory center?

Accepted Answer

Epinephrine

Answer

Thyroid hormone

Answer

Insulin

Answer

Cortisol

Question 2

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

Accepted Answer

Nutrient absorption

Answer

Gas exchange

Answer

Phonation

Answer

Temperature regulation

Question 3

Which part of the respiratory system conducts air into and out of the lungs?

Accepted Answer

Trachea and bronchi

Answer

Nose and pharynx

Answer

Alveoli

Answer

Pleura

Question 4

Which gas is transported from the lungs to the tissues during respiration?

Accepted Answer

Oxygen

Answer

Nitrogen

Answer

Carbon dioxide

Answer

Helium

Question 5

Which muscle plays a primary role in the process of inspiration?

Accepted Answer

Diaphragm

Answer

Intercostal muscles

Answer

Abdominal muscles

Answer

Pectoralis major

Question 6

What is the name of the respiratory organ where gas exchange occurs?

Accepted Answer

Alveolus

Answer

Bronchus

Answer

Pleura

Answer

Trachea

Question 7

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

Accepted Answer

Asthma

Answer

Emphysema

Answer

Pneumonia

Answer

Tuberculosis

Question 8

What is the primary function of surfactant in the lungs?

Accepted Answer

To reduce surface tension

Answer

To increase lung volume

Answer

To enhance gas exchange

Answer

To protect the airways from pathogens

Question 9

Which method is used to measure the volume of air that can be forcibly exhaled?

Accepted Answer

Spirometry

Answer

Electrocardiogram

Answer

X-ray

Answer

Ultrasound

Question 10

What is the term for the membrane that lines the lungs and the chest cavity?

Accepted Answer

Pleura

Answer

Pericardium

Answer

Peritoneum

Answer

Meninges

Question 11

Where does the primary exchange of respiratory gases occur?

Accepted Answer

Alveoli

Answer

Bronchi

Answer

Lungs

Answer

Trachea

Question 12

Which process allows for the movement of oxygen and carbon dioxide across the alveoli and capillaries?

Accepted Answer

Diffusion

Answer

Osmosis

Answer

Active transport

Answer

Filtration

Question 13

Which muscle is primarily responsible for initiating inhalation?

Accepted Answer

Diaphragm

Answer

Intercostal muscles

Answer

Abdominal muscles

Answer

Oblique muscles

Question 14

What is the main role of the epiglottis during the act of swallowing?

Accepted Answer

Covers the trachea to prevent food entry

Answer

Dilates the trachea to increase airflow

Answer

Contracts to push food into the esophagus

Answer

Relaxes to allow air into the lungs

Question 15

What is the function of cilia in the respiratory system?

Accepted Answer

Trapping and removing foreign particles

Answer

Producing mucus to lubricate the airways

Answer

Contracting to move air out of the lungs

Answer

Dilating the airways to increase airflow

Question 16

Which of the following respiratory conditions is not typically prevalent among athletes?

Accepted Answer

Pneumonia

Answer

Asthma

Answer

Exercise-induced laryngeal obstruction

Answer

Hay fever

Question 17

What is the primary purpose of tracheal cartilage?

Accepted Answer

Structural support to prevent collapse

Answer

Facilitation of tracheal dilation

Answer

Airway passage facilitation

Answer

Mucus production for airway lubrication

Question 18

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

Accepted Answer

Producing antibodies

Answer

Gas exchange (oxygen and carbon dioxide)

Answer

Regulation of blood pH

Answer

Voice production

Question 19

What is the primary site of gas exchange in the lungs?

Accepted Answer

Alveoli

Answer

Bronchi

Answer

Pleural cavity

Answer

Trachea

Question 20

Which muscle contracts to increase lung volume during inhalation?

Accepted Answer

Diaphragm

Answer

Biceps brachii

Answer

Abdominal muscles

Answer

Intercostal muscles

Question 21

What is the cartilaginous structure that supports and maintains the shape of the trachea?

Accepted Answer

Tracheal rings

Answer

Glottis

Answer

Larynx

Answer

Epiglottis

Question 22

Which part of the brainstem contains the respiratory center that controls breathing rhythm?

Accepted Answer

Medulla oblongata

Answer

Cerebellum

Answer

Thalamus

Answer

Hypothalamus

Question 23

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

Accepted Answer

Asthma

Answer

Pneumonia

Answer

Pulmonary fibrosis

Answer

Emphysema

Question 24

What is the primary factor influencing respiratory rate during physical activity?

Accepted Answer

Metabolic demand

Answer

Body temperature

Answer

Heart rate

Question 25

Which of the following is a major risk factor for developing lung cancer?

Accepted Answer

Smoking

Answer

Adequate sleep

Answer

Regular exercise

Answer

Healthy diet