Which of the following is the main function of the pharynx?

Allows for the passage of air and food

What is the primary function of the epiglottis?

Closes to prevent the passage of food through the respiratory system

Explain how the larynx contributes to the production of sound in humans.

Air passes over the vocal cords, causing them to vibrate and produce sound.

It filters air before it enters the lungs.

It absorbs oxygen from the air.

It digests food before it enters the esophagus.

Why is the epiglottis important during swallowing?

It prevents food from entering the respiratory system.

It absorbs nutrients from food.

What is the primary function of the trachea?

Passageway from the pharynx to the bronchi

Passageway from the stomach to the intestines

Passageway from the heart to the lungs

Passageway from the mouth to the esophagus

Why is it important for the trachea to be lined with mucous and cilia?

To trap and remove particles from the air before it reaches the lungs

What is the main function of the bronchi in the respiratory system?

To branch off from the trachea and carry air to the lungs

Explain why the branching structure of the bronchi is important for lung function.

It increases the surface area for gas exchange.

It helps the lungs float in the chest cavity.

It produces mucus to trap dust.

It prevents the lungs from collapsing.

Why are alveoli important for the respiratory system?

They are the site of gas exchange

They move air in and out of the lungs

Which of the following statements correctly describes the number of lobes in the human lungs?

The left lung has 2 lobes and the right lung has 3 lobes.

The left lung has 3 lobes and the right lung has 2 lobes.

What is the main function of the pleural cavity in the lungs?

It provides a cushion and reduces friction between the lungs and chest wall.

It produces mucus to trap dust.

Which of the following best describes the pleura?

A protective membrane that covers the lungs.

A muscle that helps in breathing.

A blood vessel that supplies the lungs.

A nerve that controls lung movement.

What is the main function of respiration in the human body?

To take in oxygen and remove carbon dioxide

Expiration is best described as which of the following?

A passive process that requires less energy

An active process that requires more energy

A process that increases heart rate

A process that digests nutrients

Which of the following best explains the difference between inspiration and expiration in terms of energy use?

Inspiration requires more energy, while expiration requires less energy

Both require the same amount of energy

Expiration requires more energy, while inspiration requires less energy

Neither process requires energy

What happens to the diaphragm during inspiration?

It contracts and moves downward

Why is inspiration considered an active process while expiration is considered passive? (DoK Level 3)

Inspiration involves muscle contraction and energy use, while expiration relies on muscle relaxation and less energy

Expiration involves muscle contraction and energy use, while inspiration relies on muscle relaxation and less energy

Both processes require equal muscle contraction

Neither process involves muscle activity

What are the two phases of respiration?

Internal and External Respiration

Aerobic and Anaerobic Respiration

Cellular and Pulmonary Respiration

Voluntary and Involuntary Respiration

What is external respiration?

Gas exchange from the environment to the alveoli in the lungs

Gas exchange from the lungs to the tissues

Gas exchange from the tissues to the blood

Gas exchange from the heart to the lungs

What is internal respiration?

Gas exchange from the internal environment (lungs) to the tissues

Gas exchange from the external environment to the alveoli in the lungs

Gas exchange from the heart to the lungs

Gas exchange from the blood to the external environment

Which of the following best describes the difference between external and internal respiration?

External respiration involves gas exchange with the environment, while internal respiration involves gas exchange with the tissues.

External respiration occurs in the tissues, while internal respiration occurs in the alveoli.

Both external and internal respiration occur in the heart.

External respiration and internal respiration are the same process.

Which process is directly aided by the respiratory system to remove waste from the body?

Removal of carbon dioxide from cells

How does the respiratory system contribute to communication?

By filtering toxins from the blood

A student claims that the respiratory system only supplies oxygen to cells. Using your knowledge of the system, which additional function can you identify to correct the student’s claim?

It also removes carbon dioxide from cells

Which of the following is a change that occurs in the respiratory system as people age?

Lung strength and capacity decreases

What happens to the airways and alveoli in the aging respiratory system?

They stiffen and lose elasticity

Which of the following best explains why older adults may have a weaker cough reflex?

Weakening of chest muscles and cough reflexes

How might the inelasticity of airways and alveoli affect an elderly person's ability to breathe?

It reduces the ability to expand and contract, making breathing less effective

It makes breathing easier and more efficient

It allows for greater oxygen exchange

It increases the strength of the respiratory muscles

Which of the following best describes Chronic Obstructive Pulmonary Disease (COPD)?

Chronic, progressive, irreversible, and incurable

Temporary, non-progressive, and easily treated

Sudden onset, reversible, and non-progressive

A patient presents with fatigue, chest tightness, and confusion. Based on these symptoms, what reasoning could a healthcare provider use to consider COPD as a possible diagnosis?

COPD is characterized by airway obstruction, which can cause these symptoms.

These symptoms are unrelated to respiratory issues.

COPD only causes fever and sore throat.

COPD is always curable, so symptoms are not important.

Respiratory System Worksheet

Authored by Shelby Landoll

Health Sciences

11th Grade

Used 2+ times

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correct order of airflow through the respiratory system starting from the nose?

Nose → Nasal Cavity → Pharynx → Larynx → Trachea → Bronchi → Lungs → Alveoli

Nose → Larynx → Nasal Cavity → Trachea → Pharynx → Bronchi → Lungs → Alveoli

Nose → Trachea → Nasal Cavity → Larynx → Pharynx → Bronchi → Lungs → Alveoli

Nose → Bronchi → Nasal Cavity → Larynx → Trachea → Pharynx → Lungs → Alveoli

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which structure in the respiratory system is responsible for the exchange of gases?

Larynx

Alveoli

Trachea

Bronchi

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Identify the part of the respiratory system that connects the pharynx to the bronchi.

Larynx

Trachea

Nose

Alveoli

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

To filter blood

To allow air to enter the respiratory system

To digest food

To produce hormones

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is air filtered in the nasal cavity?

By the teeth and tongue

By cilia and mucus

By the lungs

By the diaphragm

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What additional processes occur to the air in the nasal cavity besides filtration?

Air is cooled and dried

Air is warmed and humidified

Air is pressurized and condensed

Air is oxygenated and deoxygenated

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain why the presence of cilia and mucus in the nasal cavity is important for respiratory health.

They help in digesting food particles

They trap and remove dust and pathogens from inhaled air

They increase the oxygen content of air

They produce sound for speech

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Respiratory System Worksheet

What is the correct order of airflow through the respiratory system starting from the nose?

Which structure in the respiratory system is responsible for the exchange of gases?

Identify the part of the respiratory system that connects the pharynx to the bronchi.

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

How is air filtered in the nasal cavity?

What additional processes occur to the air in the nasal cavity besides filtration?

Explain why the presence of cilia and mucus in the nasal cavity is important for respiratory health.

Which of the following is the main function of the pharynx?

What is the primary function of the epiglottis?

Which structure is also known as the "voice box"?

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