Respiratory System Anatomy and Physiology Quizzes for Exercise Physiology

Question 1

The process by which oxygen is transported from the lungs to the tissues is called:

Accepted Answer

Diffusion

Answer

Perfusion

Answer

Ventilation

Answer

Osmosis

Question 2

Which of the following diseases primarily affects the alveoli, impairing their ability to exchange gases?

Accepted Answer

Emphysema

Answer

Asthma

Answer

Bronchitis

Answer

Pneumonia

Question 3

The process of eliminating carbon dioxide from the bloodstream is referred to as:

Accepted Answer

Exhalation

Answer

Decarboxylation

Answer

Perfusion

Answer

Respiration

Question 4

Which of the following structures is responsible for filtering the air we inhale?

Accepted Answer

Nasal hairs

Answer

Trachea

Answer

Larynx

Answer

Bronchioles

Question 5

The volume of air moved in and out of the lungs with each breath is known as the:

Accepted Answer

Tidal volume

Answer

Residual volume

Answer

Vital capacity

Answer

Inspiratory capacity

Question 6

Which of the following is NOT part of the conduction zone of the respiratory system?

Accepted Answer

Alveoli

Answer

Bronchioles

Answer

Bronchus

Answer

Trachea

Question 7

Which of the following respiratory muscles is the primary muscle responsible for inhalation?

Accepted Answer

Diaphragm

Answer

Pectoralis major

Answer

Intercostal muscles

Answer

Abdominal muscles

Question 8

What is the primary function of surfactant in the lungs?

Accepted Answer

Reducing surface tension

Answer

Protecting the lungs from infection

Answer

Facilitating gas exchange

Answer

Enhancing oxygen diffusion

Question 9

What is the role of the epiglottis during swallowing?

Accepted Answer

Preventing food from entering the trachea

Answer

Producing mucus to protect the respiratory tract

Answer

Regulating the rate of respiration

Answer

Facilitating the passage of air into the lungs

Question 10

What is the main protein responsible for transporting oxygen from the lungs to the tissues?

Accepted Answer

Hemoglobin

Answer

Interstitial fluid

Answer

Plasma

Answer

Lymphatic fluid

Question 11

Which of the following respiratory volumes represents the additional volume of air that can be inhaled beyond the normal tidal volume?

Accepted Answer

Inspiratory reserve volume

Answer

Vital capacity

Answer

Total lung capacity

Answer

Residual volume

Question 12

Which structure in the lungs is primarily responsible for gas exchange?

Accepted Answer

Alveoli

Answer

Trachea

Answer

Pharynx

Answer

Bronchi

Question 13

During normal resting inhalation, which muscle is the primary muscle responsible for diaphragm function?

Accepted Answer

Diaphragm

Answer

Pectoralis major

Answer

Intercostal muscles

Answer

Abdominal muscles

Question 14

Which component of the respiratory system is primarily responsible for filtering and moistening inhaled air?

Accepted Answer

Nasal turbinates

Answer

Pleura

Answer

Trachea

Answer

Bronchioles

Question 15

What is the primary function of the respiratory system?

Accepted Answer

Exchange of oxygen and carbon dioxide between the blood and the external environment

Answer

Thermoregulation, maintaining body temperature

Answer

Immune defense, protecting against pathogens

Question 16

Which of the following is NOT a function of the diaphragm?

Accepted Answer

Exhalation

Answer

Separation of the thoracic and abdominal cavities

Answer

Inhalation

Answer

Regulation of intrathoracic pressure

Question 17

What is the volume of air remaining in the lungs after a maximal exhalation?

Accepted Answer

Residual volume

Answer

Inspiratory reserve volume

Answer

Tidal volume

Answer

Vital capacity

Question 18

Which neurotransmitter is released at the neuromuscular junction to stimulate contraction of the respiratory muscles?

Accepted Answer

Acetylcholine

Answer

Glutamate

Answer

Dopamine

Answer

Norepinephrine

Question 19

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

Accepted Answer

Transport of oxygen from the lungs to the tissues

Answer

Blood clotting

Answer

Regulation of blood pH

Answer

Transport of carbon dioxide from the tissues to the lungs

Question 20

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

Accepted Answer

Asthma

Answer

Emphysema

Answer

Lung cancer

Answer

Pneumonia

Question 21

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

Accepted Answer

Synthesis of proteins

Answer

Gas exchange

Answer

Detoxification of substances

Answer

Regulation of blood pH

Question 22

The exchange of gases between the bloodstream and the lungs occurs in the:

Accepted Answer

Alveoli

Answer

Bronchi

Answer

Pharynx

Answer

Trachea

Question 23

The total volume of air that can be exhaled after a maximal inspiration is known as:

Accepted Answer

Vital capacity

Answer

Inspiratory reserve volume

Answer

Residual volume

Answer

Tidal volume

Question 24

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

Accepted Answer

Asthma

Answer

Emphysema

Answer

Fibrosis

Answer

Pulmonary hypertension

Question 25

Which function is associated with the mucus-ciliary escalator in the respiratory system?

Accepted Answer

Removal of inhaled particles

Answer

Regulation of body temperature

Answer

Warming and humidifying inhaled air

Answer

Gas exchange

Question 26

The primary neurotransmitter responsible for stimulating respiratory muscles is:

Accepted Answer

Acetylcholine

Answer

Serotonin

Answer

Dopamine

Answer

Epinephrine