Respiratory System Quiz
28 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the main function of the respiratory system?

  • Gas exchange involving O2 and CO2 (correct)
  • Production of hormones
  • Digestion of food particles
  • Regulation of blood pressure

How many lobes does the left lung have?

  • 1 lobe
  • 3 lobes
  • 4 lobes
  • 2 lobes (correct)

What occurs during inhalation?

  • Air is expelled from the lungs
  • The diaphragm contracts and air is drawn in (correct)
  • The diaphragm relaxes and moves up
  • The bronchi narrow and restrict airflow

Which structure separates the thoracic and abdominal cavities?

<p>Diaphragm (A)</p> Signup and view all the answers

What is the primary site for gas exchange in the respiratory system?

<p>Alveoli (B)</p> Signup and view all the answers

Which statement is true about the diaphragm during exhalation?

<p>The diaphragm relaxes and moves up (A)</p> Signup and view all the answers

Which of the following describes the flow of air during inhalation?

<p>Air enters through the trachea and into the lungs (B)</p> Signup and view all the answers

What best describes the structure of the lungs?

<p>Sponge-like organs in the thoracic cavity (C)</p> Signup and view all the answers

Which pathway correctly describes where air travels from the trachea?

<p>Trachea → Bronchi → Alveoli (B)</p> Signup and view all the answers

What primarily differentiates the right lung from the left lung in terms of anatomy?

<p>The right lung is larger and has three lobes. (B)</p> Signup and view all the answers

Which of the following statements accurately reflects a component of the respiratory system?

<p>The bronchi are larger than the alveoli. (A)</p> Signup and view all the answers

What occurs in the alveoli during the respiratory cycle?

<p>Gas exchange occurs between oxygen and carbon dioxide. (A)</p> Signup and view all the answers

Which process correctly describes what happens during exhalation?

<p>The diaphragm relaxes and air is pushed out of the lungs. (A)</p> Signup and view all the answers

What is primarily responsible for the movement of air in and out of the lungs?

<p>The pressure change caused by the diaphragm. (B)</p> Signup and view all the answers

Which statement best describes the conducting airways in the respiratory system?

<p>They transport air from the trachea to the alveoli. (C)</p> Signup and view all the answers

What distinguishes bronchi from bronchioles in the respiratory system?

<p>Bronchi are larger and consist of cartilage, while bronchioles are smaller and lack cartilage. (C)</p> Signup and view all the answers

How does the structure of the diaphragm contribute to its function in breathing?

<p>Its contraction increases thoracic cavity volume. (A)</p> Signup and view all the answers

What happens to carbon dioxide during the process of exhalation?

<p>It is expelled from the lungs into the atmosphere. (A)</p> Signup and view all the answers

How many lobes does the right lung have?

<p>3 (A)</p> Signup and view all the answers

Carbon dioxide is inhaled and oxygen is exhaled.

<p>False (B)</p> Signup and view all the answers

What is the primary role of the diaphragm in respiration?

<p>To contract and relax to facilitate inhalation and exhalation</p> Signup and view all the answers

The right lung contains ______ lobes.

<p>3</p> Signup and view all the answers

Match the following structures with their functions:

<p>Alveoli = Sites of gas exchange Diaphragm = Muscle that separates thoracic and abdominal cavities Bronchi = Main passageways into the lungs Trachea = Windpipe that conducts air to bronchi</p> Signup and view all the answers

What happens to the diaphragm during inhalation?

<p>It contracts (A)</p> Signup and view all the answers

The lungs are located in the abdominal cavity.

<p>False (B)</p> Signup and view all the answers

What is the role of alveoli in the respiratory system?

<p>To facilitate gas exchange</p> Signup and view all the answers

Air travels from the trachea to the ______ before reaching the alveoli.

<p>bronchioles</p> Signup and view all the answers

What is the relationship between bronchi and bronchioles?

<p>Bronchi divide into bronchioles (D)</p> Signup and view all the answers

Flashcards

Respiratory System

The system responsible for gas exchange, taking in oxygen and releasing carbon dioxide.

Lungs

Sponge-like organs in the chest cavity responsible for gas exchange.

Diaphragm

Dome-shaped muscle separating the chest and abdominal cavities; crucial for breathing.

Inhalation

The process of taking air into the lungs.

Signup and view all the flashcards

Exhalation

The process of releasing air from the lungs.

Signup and view all the flashcards

Bronchi

The two large tubes branching from the trachea into the lungs.

Signup and view all the flashcards

Bronchioles

Smaller branches of the bronchi leading to alveoli.

Signup and view all the flashcards

Alveoli

Tiny air sacs in the lungs, site of gas exchange.

Signup and view all the flashcards

Right Lung Lobes

The right lung has 3 lobes, larger than the left lung.

Signup and view all the flashcards

Left Lung lobes

The left lung has 2 lobes, smaller than the right lung.

Signup and view all the flashcards

Lung structure

Sponge-like organs in the chest cavity with varying lobes (3 on the right, 2 on the left).

Signup and view all the flashcards

Diaphragm function

A dome-shaped muscle that separates the chest and abdomen, creating movements to inhale and exhale air.

Signup and view all the flashcards

Inhalation process

Diaphragm contracts, moving down and drawing air into the lungs.

Signup and view all the flashcards

Exhalation process

Diaphragm relaxes, moving up to push air out of the lungs.

Signup and view all the flashcards

Alveoli function

Microscopic air sacs where gas exchange (oxygen and carbon dioxide) occurs.

Signup and view all the flashcards

Bronchi role

Large tubes branching off the trachea, carrying air into the lungs.

Signup and view all the flashcards

Bronchioles function

Smaller tubes branching off bronchi, leading to alveoli.

Signup and view all the flashcards

Right Lung Lobes

The right lung has 3 lobes, larger.

Signup and view all the flashcards

Left Lung Lobes

The left lung has 2 lobes, smaller.

Signup and view all the flashcards

Gas Exchange

Inhalation of oxygen (O2) and exhalation of carbon dioxide (CO2), takes place in alveoli.

Signup and view all the flashcards

Diaphragm function

The dome-shaped muscle that separates the chest and abdominal cavities, crucial for breathing by contracting and relaxing to move air in and out of the lungs.

Signup and view all the flashcards

Inhalation process

The process of drawing air into the lungs. The diaphragm contracts, pulling air in.

Signup and view all the flashcards

Exhalation process

The process of releasing air from the lungs. The diaphragm relaxes, pushing air out.

Signup and view all the flashcards

Lung structure

Sponge-like organs in the rib cage, with 3 lobes in the right lung and 2 lobes in the left.

Signup and view all the flashcards

Alveoli function

Tiny air sacs in the lungs where gas exchange occurs (oxygen in, carbon dioxide out—O2&CO2).

Signup and view all the flashcards

Bronchi role

The large tubes that carry air from the trachea to the lungs.

Signup and view all the flashcards

Bronchioles function

Smaller branches that lead to alveoli, where air goes to gas exchange.

Signup and view all the flashcards

Gas exchange purpose

The process of inhaling oxygen and exhaling carbon dioxide. It happens in the alveoli.

Signup and view all the flashcards

Conducting Airways

The airways that carry the air (trachea, bronchi, bronchioles) to the alveoli.

Signup and view all the flashcards

Right lung lobes

The right lung has 3 lobes, larger than the left lung, due to heart placement.

Signup and view all the flashcards

More Like This

Use Quizgecko on...
Browser
Open
Browser
Browser