Respiratory system Flashcards

1
Q

Osmotic and chemical process

A

Respiration

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2
Q

3 separate but related functions

A
  • Ventilation
  • Gas Exchange
  • Oxygen utilization
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3
Q

Ventilation and gas exchange in the lungs.

A

External respiration

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4
Q

Gas exchange between the blood and other tissues.

A

Internal respiration

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5
Q

Structures of the Respiratory System

A
  • nasal cavity
  • pharynx
  • larynx
  • trachea
  • bronchi
  • bronchioles
  • pulmonary alveoli
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6
Q

Nasal cavity, pharynx and larynx

A

Upper respiratory

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7
Q

Trachea and lungs

A

Lower respiratory

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8
Q

Nsal cavity, pharynx, larynx, trachea, bronchi, bronchioles

A

Conducting division

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9
Q

Respiratory bronchioles, alveolar ducts and sacs and pulmonary alveoli

A

Respiratory division

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10
Q

Pumping Mechanism of the Respiratory System

A

Thoracic cage
Diaphragm

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11
Q

Types of Breathing

A

Costal (thoracic)
Abdominal (diaphragmatic)

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12
Q

Occurring when more air is needed than movement of the diaphragm produces.

A

Costal (thoracic)

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13
Q

Occurring during ordinary quiet breathing.

A

Abdominal (diaphragmatic)

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14
Q

Normal quiet respiration

A

Eupnea

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15
Q

Difficult breathing

A

Dyspnea

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16
Q

Absence or cessation of respiration

A

Apnea

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17
Q

Increased depth or rate of breathing or both

A

Hypernia

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18
Q

Rapid, shallow breathing

A

Polypnea

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19
Q
  • embodied within the skeleton of the face
  • extends from about the transverse level of the eyes to the rostral extremity of the head
  • comprises the parts of the face rostral to the eyes and dorsal to the mouth
A

Nose

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20
Q

External openings of the respiratory tract

A

External nares (nostrils)

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21
Q

Lacks a planum, its nose being instead covered with fine hair.

A

Horse

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22
Q

Possesses a nasolabial planum

A

Ox

23
Q

Have nasal planum

A

small ruminants and dogs

24
Q

Features a rostral planum that is supported by a rostral bone.

A

Pig

25
Q

Separated from the mouth by the hard and soft palates and separated into two isolated halves by a median nasal septum

A

Nasal cavity

26
Q

Scroll-like; turbinate bones; dorsal and ventral; ethmoidal

A

Concha

27
Q

Investing the ethmoidal conchae is the olfactory epithelium

A

Mucous membrane

28
Q

Air passages; dorsal, middle, ventral, and common

A

Nasal meatus

29
Q

Articulates with the palatine process of the maxillary bone

A

Vomer

30
Q

Paranasal Sinuses

A
  • Air-filled cavities that communicate with the nasal cavity
  • Probably provide some protection and to the head
31
Q

4 Paranasal Sinuses

A

Maxillary, Frontal, Sphenoidal, and Palatine sinuses

32
Q

a common soft tissue conduit for food and air, lying caudal to the oral and nasal cavities.

A

Pharynx

33
Q

Conducts air into the lungs

A

Bronchus

34
Q

is the process by which air is moved into (inspiration) and out of (expiration) the lungs.

A

Ventilation

35
Q

Is a more specific term that refers to the movement of air into and out of alveoli.

A

Alveolar ventilation

36
Q

Is a mechanism to dissipate heat; characterized by an increased ventilator rate but with a reduced tidal volume (volume of air moved during each breath).

A

Panting

37
Q

Upper airways that are not sites of gas exchange

A

Anatomic dead space

38
Q

Includes the anatomic dead space and any alveoli in which normal gas exchanges cannot occur

A

Physiologic dead space

39
Q

The total rate of
air-flow into and out of the lungs; includes
the air- flow through the tracheobronchial
tree and to both the functional alveoli and non-functional alveoli.

A

Minute ventilation rate

40
Q

Refers to the rate of air-flow into and out of the
functioning alveoli

A

Alveolar ventilation rate

41
Q

Each alveolus is very closely associated with a
network of capillaries containing deoxygenated
blood from the pulmonary artery. The capillary
and alveolar walls are very thin, allowing rapid
exchange of gases by passive diffusion along
concentration gradients.

A

Gas Exchange

42
Q

Moves into the alveolus as the concentration is much lower in the alveolus than in the blood

A

CO2

43
Q

Moves out of the
alveolus as the continuous flow of blood
through the capillaries prevents saturation of
the blood

A

O2

44
Q

Lungs are part of a unidirectional circuit that includes a series of non-respiratory (lacking gas exchange surfaces) air sacs and airflow is created by movements of the sternum rather than through contraction of a muscular diaphragm.

A

Avian Respiratory System

45
Q

At the distal end of the trachea; first portion of the bronchi; avian organ of phonation

A

Syrinx

46
Q

Unilobed; lie adjacent to and deeply imprinted by the thoracic vertebrae; 1° bronchus to 2° bronchus to parabronchus

A

Lungs

47
Q

Are blind-ended expansions of the respiratory tree the walls of which are composed of connective tissue covered externally by serosa.

A

Air sacs

48
Q

A median, unpaired, somewhat triangular air sac connected to the secondary bronchi of both lungs. It lies in between the angle of two limbs of the furcular (wishbone).

A

Interclavicular

49
Q

Pair of small cervical air sacs arise anteriorly, one from each lung

A

Cervical

50
Q

Arises from the side of each lung, lies at ventral side of lung in the anterior portion of the thorax

A

Anterior thoracic

51
Q

A pair of small air sacs found in the posterior part of the thoracic cavity just in front of abdominal sacs

A

Posterior thoracic

52
Q

A large air sac from the distal end of each lung

A

Abdominal

53
Q

Gives off branches to air sacs and also gives off several secondary bronchi which may be distinguished as dorsal, ventral and lateral according to their position.

A

Mesobronchus