Chapter 2 (Part 1) Flashcards

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1
Q

The respiratory system is composed of

A

upper and lower respiratory tracts

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2
Q

movement of air in
and out of the airways

A

Ventilation

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3
Q

warms and filters inspired air

A

upper respiratory tract or upper airway

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4
Q

accomplish gas exchange or diffusion

A

lower respiratory tract

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5
Q

involves delivering oxygen to the tissues through the bloodstream and expelling waste gases, such as carbon dioxide, during expiration

A

Gas exchange

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6
Q

Upper airway structures consist of the

A

Nose
Paranasal Sinuses
Pharynx
Tonsils
Adenoids
Larynx
Trachea

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7
Q

passageway for air to pass to and from the lungs

A

Nose

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8
Q

It filters impurities and humidifies and warms the air as it is inhaled

A

Nose

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9
Q

include four pairs of bony cavities that are lined with
nasal mucosa and ciliated pseudostratified columnar epithelium

A

Paranasal sinuses

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10
Q

Paranasal sinuses

A

Frontal
Ethmoid
Sphenoid
Maxillary

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11
Q

Common site of infection

A

Sinuses

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12
Q

is a tubelike structure that connects the nasal and oral
cavities to the larynx

A

Pharynx or Throat

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13
Q

Three regions of pharynx

A

Nasal
Oral
Laryngeal

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14
Q

encircle the throat. These structures are important links in the chain of lymph nodes guarding the body from invasion by organisms entering the nose and the throat

A

tonsils, the adenoids, and other lymphoid tissue

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15
Q

functions as a passageway for the respiratory and digestive tracts.

A

Pharynx

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16
Q

is a cartilaginous epithelium-lined organ that connects the pharynx and the trachea

A

Larynx or voice box

17
Q

Larynx consists of

A

Epiglottis
Glottis
Thyroid Cartilage
Cricoid Cartilage
Arytenoid Cartilages
Vocal Cords

18
Q

it also protects the lower airway from foreign substances and facilitates coughing

A

Larynx

19
Q

Larynx sometimes referred to as

A

watchdog of the lungs

20
Q

is composed of smooth muscle with C-shaped rings
of cartilage at regular intervals.

A

Trachea or windpipe

21
Q

Lower respiratory tract consists of

A

Lungs

22
Q

are paired elastic structures enclosed in the thoracic cage, which is
an airtight chamber with distensible wall

A

Lungs

23
Q

The lungs and wall of the thoracic cavity are lined with a serous membrane that called

A

Pleura

24
Q

is in the middle of the thorax, between the pleural sacs that
contain the two lungs

A

Mediastinum

25
Q

Acts as passageway

A

Bonchi and bronchioles

26
Q

Site for gas exchange

A

Alveoli

27
Q

Functions of Respiratory System

A
  1. Oxygen Transport
  2. Respiration
  3. Ventilation
  4. Gas exchange