The Respiratory System MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on The Respiratory System, a fundamental topic in the field of IC22 Life Insurance Underwriting. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our The Respiratory System MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of The Respiratory System mcq questions that explore various aspects of The Respiratory System problems. Each MCQ is crafted to challenge your understanding of The Respiratory System principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace IC22 Life Insurance Underwriting tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our The Respiratory System MCQs are your pathway to success in mastering this essential IC22 Life Insurance Underwriting topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of The Respiratory System. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your The Respiratory System knowledge to the test? Let's get started with our carefully curated MCQs!

The Respiratory System MCQs | Page 2 of 12

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Q11.
What is the function of alveoli?

a.

To regulate air flow

b.

To enable contraction and relaxation

c.

To exchange oxygen and carbon dioxide in the blood

d.

To enable the trachea to stay open

Discuss
Answer: (c).To exchange oxygen and carbon dioxide in the blood Explanation:Alveoli are tiny air sacs that function to exchange oxygen and carbon dioxide in the blood.
Q12.
How many lungs are in the human body?

a.

One

b.

Two

c.

Three

d.

Four

Discuss
Answer: (b).Two Explanation:There are 2 lungs in the human body - left lung and right lung.
Q13.
What is the function of the diaphragm?

a.

To regulate air flow

b.

To enable contraction and relaxation

c.

To exchange oxygen and carbon dioxide in the blood

d.

To separate the thoracic cavity from the abdomen

Discuss
Answer: (d).To separate the thoracic cavity from the abdomen Explanation:The diaphragm is a sheet of muscle and tendon that separates the thoracic cavity from the abdomen, and is the major muscle of respiration.
Q14.
What is the pleura?

a.

A type of smooth muscle in the bronchioles

b.

A membrane that covers the chest wall

c.

A tiny air sac in the alveoli

d.

A type of cartilage in the trachea

Discuss
Answer: (b).A membrane that covers the chest wall Explanation:The pleura is a membrane made up of the parietal pleura, which covers the chest wall, and the visceral pleura, which encases the lung.
Q15.
What is the pleural cavity?

a.

The space between the bronchi and alveoli

b.

The space between the trachea and bronchi

c.

The space between the parietal and visceral pleura

d.

The space between the lungs and the diaphragm

Discuss
Answer: (c).The space between the parietal and visceral pleura Explanation:The pleural cavity is the space between the parietal and visceral pleura.
Q16.
What is the function of the bronchial tree?

a.

To exchange oxygen and carbon dioxide in the blood

b.

To regulate air flow to the alveoli

c.

To stay open so that air can be conducted

d.

To separate the thoracic cavity from the abdomen

Discuss
Answer: (b).To regulate air flow to the alveoli Explanation:The bronchial tree consists of bronchi, bronchioles, and alveoli, and its main function is to transport air to and from the lungs. The bronchioles are smaller tube divisions of the bronchi, and their walls contain smooth muscle and no cartilage. This allows for contraction and relaxation, which regulates air flow to the alveoli, where gas exchange occurs.
Q17.
How many lobes does the left lung have?

a.

One

b.

Two

c.

Three

d.

Four

Discuss
Answer: (b).Two Explanation:The left lung has two lobes, while the right lung has three lobes.
Q18.
What is the name of the sheet of muscle that separates the thoracic cavity from the abdomen?

a.

Diaphragm

b.

Bronchioles

c.

Trachea

d.

Alveoli

Discuss
Answer: (a).Diaphragm Explanation:The diaphragm is a sheet of muscle and tendon that separates the thoracic cavity from the abdomen. It is the major muscle of respiration and plays a key role in breathing.
Q19.
Which membrane covers the chest wall?

a.

Parietal pleura

b.

Visceral pleura

c.

Pleural cavity

d.

Mediastinum

Discuss
Answer: (a).Parietal pleura Explanation:The parietal pleura is a membrane that covers the chest wall, while the visceral pleura encases the lungs. Together, they form the pleural membrane, which lines the thoracic cavity and helps to protect and lubricate the lungs during respiration.
Q20.
What is the name of the space between the two layers of pleura?

a.

Bronchial cavity

b.

Tracheal cavity

c.

Pleural cavity

d.

Alveolar cavity

Discuss
Answer: (c).Pleural cavity Explanation:The pleural cavity is the space between the parietal pleura (which covers the chest wall) and the visceral pleura (which encases the lungs), and it contains fluid that provides lubrication for smooth movement during breathing.
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