Anatomy. Respiratory System Qz 1

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Questions and Answers

What is the main function of the respiratory system?

  • Producing hormones for body functions
  • Providing oxygen to organs and tissues (correct)
  • Assisting in digestion
  • Regulating body temperature

Which part of the respiratory system filters air and provides a large surface area for gas exchange in the alveoli?

  • Trachea
  • Pharynx
  • Bronchi (correct)
  • Larynx

What is the name for abnormal bluish (blue ) coloration of the skin due to low level of oxygen ?

  • Jaundice
  • Cyanosis (correct)
  • Erythema
  • Organomegaly

Which organ controls the respiratory system by regulating breathing through muscle movements?

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

Where does the exchange of gases between the air and blood occur in the respiratory system?

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

What happens to the chest cavity during exhalation in the respiratory process?

<p>Decreases in size to force out carbon dioxide-rich air (A)</p> Signup and view all the answers

What is the main function of the lower respiratory tract in the human body?

<p>Exchanging gases in the alveoli to provide oxygen to organs and remove carbon dioxide (D)</p> Signup and view all the answers

Which part of the respiratory system is NOT part of the upper respiratory tract?

<p>Bronchi (C)</p> Signup and view all the answers

The lung disease Bronchiectasis is?

<p>An abnormal dilation of bronchi (B)</p> Signup and view all the answers

The medical term COPD for some lung diseases is?

<p>Chronic Obstructive Pulmonary Disease (C)</p> Signup and view all the answers

Snoring is produced by

<p>An obstruction in upper airway (C)</p> Signup and view all the answers

Accumulation of fluid in pleural membrane is a disease called ?

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

Flashcards

Respiratory System Function

Provides oxygen to organs and tissues, removing carbon dioxide.

Bronchi Function

Filters air and provides large surface area for gas exchange in the alveoli.

Cyanosis Definition

Bluish skin coloration due to low oxygen levels.

Respiratory Control

The brain regulates breathing through muscle movements.

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Gas Exchange Location

Alveoli are the sites of gas exchange in the lungs.

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Exhalation Chest Change

Chest cavity decreases in size, forcing out carbon dioxide-rich air.

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Lower Respiratory Tract Function

Exchanges gases in alveoli, bringing oxygen to organs and removing carbon dioxide.

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Upper vs. Lower Respiratory Tract

Bronchi are part of the lower respiratory tract, not the upper.

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Bronchiectasis Definition

Abnormal dilation of bronchi.

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COPD Definition

Chronic Obstructive Pulmonary Disease (lung diseases).

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Snoring Cause

Upper airway obstruction causes snoring.

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Pleural Effusion Definition

Accumulation of fluid in pleural membrane.

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Study Notes

  • The respiratory system is crucial for breathing, speaking, singing, and exchanging gases in our bodies.
  • Its main function is to provide oxygen to all organs and tissues while removing carbon dioxide.
  • Oxygen is essential for cellular functions to convert food into energy.
  • The respiratory system consists of the upper and lower respiratory tracts, with the upper part including the nose, pharynx, and larynx.
  • The lower respiratory tract includes the trachea, bronchi, bronchioles, and lungs where gas exchange occurs.
  • The bronchi and bronchioles help in filtering air and providing a large surface area for efficient gas exchange in the alveoli.
  • The respiratory system is controlled by the nervous system, specifically the brain, which regulates breathing through muscle movements in the chest and diaphragm.- The respiratory system consists of various organs, including the lungs, bronchi, and alveoli.
  • The air enters the respiratory system through the nose and mouth and travels down the throat and into the trachea.
  • The trachea branches into smaller tubes called bronchi, which further divide into bronchioles.
  • The exchange of gases between the air and blood occurs in the alveoli, which are thin-walled sacs surrounded by tiny blood vessels called capillaries.
  • During exhalation, the muscles between the ribs relax, causing the chest cavity to decrease in size and forcing out carbon dioxide-rich air.

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