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Respiratory System > Parts of the Respiratory System > Flashcards

Parts of the Respiratory System Flashcards

1
Q

What is the nasal cavity surrounded by?

A

Paranasal sinuses

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2
Q

What bones are the paranasal sinuses located near? (4)

A
  1. Frontal
  2. Sphenoidal
  3. Ethmoidal
  4. Maxillary bone
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3
Q

State the function of the olfactor receptors.

A

Sense of smell

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4
Q

Where are the olfactor receptors located?

A

In the mucosa, superior part of the nasal cavity (just beneath the ethmoid bone)

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5
Q

What is the common name for the thyroid cartilage?

A

Adam’s apple

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6
Q

What is the largest hyaline cartilage?

A

Thyroid cartilage

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7
Q

State the main function of the epiglottis.

A

Protects the superior opening of the larynx

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8
Q

How do the vocal cords allow us to speak?

A

They vibrate with expelled air

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9
Q

What is the common name for the pharynx?

A

Throat

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10
Q

What is the common name for the larynx?

A

Voice box

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11
Q

What is the common name for the trachea?

A

Windpipe

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12
Q

How far does air travel down the trachea?

A

To the level of the 5th thoracic vertebra → approximately mid-chest

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13
Q

Why is an obstruction in the trachea life-threatening?

A

The trachea is the only way air can enter the lungs

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14
Q

How is the right main bronchus different from the left bronchus? (3)

A
  1. Wider
  2. Shorter
  3. Straighter
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15
Q

How much of the thoracic cavity do the lungs occupy?

A

The entire thoracic cavity except for the mediastinum (most central area)

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16
Q

State the difference between the apex and base of the lungs. (2)

A
  1. Apex = narrow, superior portion of the lungs

2. Base = broad area inferior of each lung resting on the diaphragm

17
Q

How many lobes does each side of the lungs have? (2)

A
  1. Left = 2 lobes

2. Right = 3 lobes

18
Q

What are the walls of the thoracic cavity lined with?

A

Parietal pleura

19
Q

State the purpose of the respiratory zone and list the 4 main parts that it is composed of. (5)

A
  1. Site of gas exchange
  2. Respiratory bronchioles
  3. Alveolar ducts
  4. Alveolar sacs
  5. Alveoli

Respiratory System (5 decks)

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