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 1 of 12

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Q1.
What is the function of the respiratory system?

a.

To produce energy for the body

b.

To maintain vital functions in the body

c.

To provide a constant supply of oxygen to the body's cells

d.

To remove waste products from the body

Discuss
Answer: (c).To provide a constant supply of oxygen to the body's cells Explanation:The respiratory system is responsible for bringing oxygen into the body and removing carbon dioxide, which is a waste product produced by the cells. Oxygen is essential for the cells in the body to produce energy for growth, repair, and maintenance of vital functions.
Q2.
What are the two parts of the respiratory system?

a.

The nose and pharynx

b.

The larynx and nasal cavity

c.

The upper respiratory tract and lower respiratory tract

d.

The lungs and bronchioles

Discuss
Answer: (c).The upper respiratory tract and lower respiratory tract Explanation:The respiratory system is divided into two parts - the upper respiratory tract, which includes the nose, pharynx, and larynx located in the head and neck region, and the lower respiratory tract, which includes the trachea, bronchi, bronchioles, and lungs located in the chest region.
Q3.
Which structures are part of the upper respiratory tract?

a.

Lungs and bronchioles

b.

Nasal cavity and pharynx

c.

Larynx and trachea

d.

Bronchi and alveoli

Discuss
Answer: (b).Nasal cavity and pharynx Explanation:The upper respiratory tract includes the nose, pharynx, and larynx, while the lower respiratory tract includes the trachea, bronchi, bronchioles, and lungs.
Q4.
What is the function of the nose in the respiratory system?

a.

To humidify air

b.

To transport air to the lungs

c.

To warm and dampen air

d.

To filter out carbon dioxide

Discuss
Answer: (c).To warm and dampen air Explanation:The nose warms and dampens the air that enters the respiratory system, making it easier for the body to use. The nose also helps to filter out large particles and pathogens that may be present in the air.
Q5.
What is the function of the pharynx in the respiratory system?

a.

To transport air to the lungs

b.

To filter out dust and other particles

c.

To serve both respiratory and digestive functions

d.

To produce sound for speech and singing

Discuss
Answer: (c).To serve both respiratory and digestive functions Explanation:The pharynx is a cone-shaped passageway leading from the oral and nasal cavities in the head to the esophagus and larynx. It serves both respiratory and digestive functions by allowing air to pass through to the lower respiratory tract and food and liquids to pass through to the esophagus for digestion.
Q6.
What is the larynx commonly called?

a.

The esophagus

b.

The windpipe

c.

The voice box

d.

The bronchus

Discuss
Answer: (c).The voice box Explanation:The larynx is a passageway between the pharynx and the lower airway structures. It is commonly referred to as the voice box because it contains the vocal cords which vibrate to produce sound for speech and singing.
Q7.
Where is the lower respiratory tract located?

a.

In the neck

b.

In the head

c.

In the chest

d.

In the abdomen

Discuss
Answer: (c).In the chest Explanation:The lower respiratory tract is located in the chest.
Q8.
What is the trachea commonly known as?

a.

The windpipe

b.

The bronchi

c.

The alveoli

d.

The lungs

Discuss
Answer: (a).The windpipe Explanation:The trachea is commonly known as the windpipe.
Q9.
What is the function of the hyaline cartilage in the trachea?

a.

To regulate air flow

b.

To enable contraction and relaxation

c.

To enable the trachea to stay open

d.

To exchange oxygen and carbon dioxide in the blood

Discuss
Answer: (c).To enable the trachea to stay open Explanation:The hyaline cartilage in the trachea enables it to stay open so that air can be conducted between the larynx and primary bronchi.
Q10.
What are bronchioles?

a.

Smaller tube divisions of the bronchi

b.

Tiny air sacs that exchange oxygen and carbon dioxide in the blood

c.

The wall of the trachea

d.

The primary branch of the trachea

Discuss
Answer: (a).Smaller tube divisions of the bronchi Explanation:Bronchioles are smaller tube divisions of the bronchi. Its walls contain smooth muscle and no cartilage. This allows contraction and relaxation, thereby regulating air flow to the alveoli.
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