Respiratory Flashcards

1
Q

It is the movement of air into and out of the lungs.

A

Ventilation

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2
Q

parts of the process of respiration

A

movement of air into and out of the lungs; exchange of oxygen and carbon dioxide between the air in the lungs and the blood; transport of oxygen and carbon dioxide in the blood

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3
Q

upper respiratory tract

A

larynx; Oropharynx; Nasal cavity

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4
Q

lower respiratory tract

A

trachea; Alveoli ; Bronchioles

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5
Q

Most of the structures of the external nose is composed of what type of cartilage?

A

Hyaline

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6
Q

The opening to the pharynx found in the nasal cavity is called

A

Choanae

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7
Q

These are bony ridges on the lateral walls on each side of the nasal cavity

A

Nasal conchae

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8
Q

The largest paranasal sinus is the

A

Maxillary sinus

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9
Q

Sneeze reflex, which cranial nerve?

A

Trigeminal nerve

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10
Q

Which part of the respiratory tract serves as the common passageway for both air and food?

A

Pharynx

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11
Q

During swallowing, which structure elevates to close the nasopharynx and prevent entry of food into the nose?

A

Soft palate & uvula

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12
Q

This structure is found on the posterior part of the nasopharynx which is described as an extension of the soft palate?

A

Uvula

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13
Q

The largest cartilage in the larynx is the

A

Thyroid cartilage

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14
Q

The most inferior among the unpaired cartilages in the larynx is the

A

Cricoid cartilage

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15
Q

This structure protects the airway by covering the glottis during the process of swallowing

A

Epiglottis

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16
Q

The epiglottis is made up of what type of cartilage?

A

Elastic

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17
Q

trachea

A

It is composed of 16-20 C-shaped pieces of hyaline cartilage.

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18
Q

This is an involuntary response which results to the contraction of the smooth muscle in the trachea that can narrow its diameter to expel mucus

A

Cough reflex

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19
Q

The left lung has how many lobes?

A

2

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20
Q

anatomy of the primary bronchi?

A

The right bronchus is wider, shorter and more vertical.

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21
Q

The principal organ of respiration

A

Lungs

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22
Q

This is the lipoprotein molecule secreted by cells within the walls of the alveoli that reduces the surface tension in the alveoli

A

Surfactant

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23
Q

This Is the serous membrane that lines the walls of the thorax, diaphragm and mediastinum

A

Parietal pleura

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24
Q

This term refers to the movement of air out of the lungs

A

Expiration

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25
Q

The largest change in the thoracic cavity volume during ventilation is due to the contraction of the

A

Diaphragm

26
Q

principle in airflow

A

Air flows from an area of higher pressure to an area of lower pressure.

27
Q

What happens if there is inadequate lung surfactant?

A

The lung will collapse.

28
Q

This term refers to the pressure in the pleural cavity

A

Pleural pressure

29
Q

How much is the total lung volume in a young normal male adult?

A

4 to 6 liters

30
Q

This refers to the total volume of air inspired or expired with each breath

A

Tidal volume

31
Q

This refers to the volume of air remaining in the lungs after maximum expiration

A

Residual volume

32
Q

This refers to the sum of all the respiratory volumes

A

Total Lung Capacity

33
Q

factors influencing the effectiveness of gas exchange?

A

The thickness of the respiratory membrane; The total surface area of the respiratory membrane; The partial pressure of the gases across the respiratory membrane

34
Q

Most of the oxygen transported in the blood is

A

Bound to hemoglobin

35
Q

Most of the carbon dioxide transported in the blood is

A

In the form of bicarbonate

36
Q

This reflex limits the extent of inspiration by stimulating the stretch receptors to inhibit the respiratory center

A

Hering-Breuer reflex

37
Q

The level of which gas serves as the major driving force in regulating breathing?

A

Carbon dioxide

38
Q

normal respiratory rate

A

12 to 20 breaths

39
Q

Floor of the nasopharynx

A

Soft palate

40
Q

Bronchi that lead to bronchopulmonary segments

A

Tertiary bronchi

41
Q

Muscles of inspiration (especially forceful)

A

Scalene muscles
External intercostals
Sternocleidomastoid

42
Q

events in expiration

A

decreased thoracic volume

decreased alveolar volume

increased alveolar pressure

Alveolar pressure > atmospheric pressure

43
Q

no Gas exchange

A

Anatomical dead space

44
Q

Lung expansion

A

lung compliance

45
Q

produces lung surfactant

A

Type II pneumocytes

46
Q

T5

A

carina

47
Q

Trigeminal nerve

A

sneeze reflex

48
Q

unpaired cartilage

A

Epiglottis, Thyroid cartilage, Cricoid cartilage

49
Q

larynx

A

voicebox

50
Q

Vital capacity

A

Sum of inspiratory reserve volume, tidal volume, and expiratory volume

51
Q

Residual volume

A

Volume of air still remaining in the respiratory passages and lungs after the most forceful expiration

52
Q

Apex

A

extends above the clavicle

53
Q

Tidal volume

A

volume of air inspired and expired with each breath

54
Q

Cardiac notch

A

Medial indention of left lung

55
Q

Elastic recoil

A

expiration

56
Q

Brainstem

A

controls the respiration

57
Q

bicarbonate form

A

carbon dioxide transport

58
Q

hemoglobin

A

oxygen transport

59
Q

Hypercapnia

A

Increased carbon dioxide in the tissues

60
Q

higher altitude area

A

Decreased PO2, increased alveolar ventilation due to decreased atmospheric pressure

61
Q

Lung compliance

A

measure of lungs expandability