The Respiratory System. Flashcards

1
Q

What is the role of the respiratory system?

A

Supplies oxygen to the body and maintains pH of bodily fluids.

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2
Q

The right lung characteristics…

A

3 Lobes (superior, middle, inferior) 2 Fissures, wide and short.

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3
Q

The left lung characteristics…

A

2 Lobes (superior, inferior) 1 Fissure, narrow and long.

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4
Q

Components of the upper respiratory tract?

A

Nose - Nasal Cavity - Paranasal Sinuses - Pharynx - Larynx

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5
Q

Components of the lower respiratory tract?

A

Trachea - Bronchi - Bronchioles - Alveoli

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6
Q

Role of the conducting zone?

A

Filter, warm and moisten air to be transmitted to/from lungs.

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7
Q

Role of the respiratory zone?

A

Gaseous exchange.

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8
Q

Role of the Nasal Cavity?

A

Warm, cleanse and humidify inhaled air. Resonating chamber that modifies the voice.

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9
Q

Role of the Pharynx?

A

Located between the nose and larynx, passageway for food/air/mucus. Resonating chamber for speech.

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10
Q

Role of the Larynx?

A

9 pieces of cartilage. Maintains an open airway. Swallow/Cough reflexes. Voice box.

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11
Q

What is pulmonary ventilation?

A

The exchange of air between the atmosphere and alveoli of lungs.

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12
Q

What is pulmonary compliance?

A

The ease of expansion of healthy lungs, effected by scar tissue, respiratory passage blockage.

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13
Q

What regulates airway diameter?

A

The contraction/relaxation of smooth muscle in airways.

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