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Dental Nurse Sedation Post Qual Exam > Respiration > Flashcards

Respiration Flashcards

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1
Q

What is the respiratory system?

A

The system refers to the ‘organs’ that are involved in breathing. These ‘organs’ include the nose, throat, larynx, trachea, lungs, bronchi and heart.

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2
Q

What are the group of organs in the respiratory system responsible for?

A

Carrying oxygen from the air to the bloodstream, and for expelling carbon dioxide.

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3
Q

What does Respiration mean?

A

Breathing

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4
Q

What is the function of breathing?

A

The function is to provide the means whereby oxygen enters the blood and carbon dioxide and other gases leaves the blood

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5
Q

The function of breathing is to provide the means whereby oxygen enters the blood and carbon dioxide and other gases leaves the blood. The interchange of these gases occur where?

A

Lungs

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6
Q

What is included in the upper respiratory tract?

A

Nose
Nasopharynx
Larynx

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7
Q

Inspired air contents:

A

Inspired Air = 21% Oxygen. 0.04% Carbon Dioxide, 78% nitrogen, and others gases.

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8
Q

What is included in the lower respiratory tract?

A

trachea, bronchi

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9
Q

What is included in the lungs?

A

Respiratory bronchioles
Alveoli

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10
Q

What is Tidal volume?

A

The volume of air moved in one normal breath. 500ml

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11
Q

What is a average respiration rate for an adult?

A

14-20 breaths/min

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12
Q

What is minute volume?

A

The amount inhaled or exhaled from a person’s lungs in one minute

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13
Q

What is the normal minute volume for normal breathing?

A

6 Litres

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14
Q

What flow rate on an Inhalation sedation should initially be set for each patient?

A

6 Litres as that is normal minute volume

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15
Q

How is minute volume calculated?

A

Tidal volume x Respiratory rate

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16
Q

What is the expiratory reserve volume? (Vital capacity)

A

5 litres

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17
Q

What is functional residual capacity?

A

It allows for breath holding and maintains the pressure of oxygen in the lungs - preventing lung collapse

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18
Q

What is dead space volume?

A

The amount of gas left unused in the respiratory tract during respiration/ 150ml

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19
Q

The average respiratory rate per minute in a healthy young adult is?

A

14-20

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20
Q

The amount of air that reaches the alveoli during inspiration is…

A

350ml

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21
Q

What is the structure called where carbon dioxide is diffused through the capillary walls/membrane and is the expelled/expired via this structure?

A

Alveoli

22
Q

At rest an adult inhales and exhales approx 500ml of air with each breath. What is the correct term given to this?

A

Tidal volume

23
Q

This structure helps in the transferring of messages between various parts of the brain, regulating blood pressure an breathing. What is the name of this structure?

A

Medulla Oblongata

24
Q

The right lung has how many lobes?

A

3

25
Q

Amount of oxygen we expire?

A

16%

26
Q

Amount of oxygen we inspire?

A

21%

27
Q

How many lobes does the left lung have?

A

2 lobes

28
Q

Respiration is controlled by?

A

The brain

29
Q

The serious membrane enveloping each lung us called thhe..

A

Pleura

30
Q

The blood supply that brings blood to the alveoli via the…

A

Pulmonary artery

31
Q

Oxygenated blood leaves the alveoli via the

A

Pulmonary vein

32
Q

The total lung capacity is

A

6 lires 6000ml

33
Q

The volume of air breathed per minute is called

A

Minute volume

34
Q

When a patient is firstly administered an intravenous benzodiazepine drug the respiration rate will?

A

Increase

35
Q

If an increase in carbon dioxide levels is noted ..

A

The patient will have an increase in their respiration rate

36
Q

If the respiratory or cardiovascular activity drops below 90% on the pulse oximeter the second appropriate person should..

A

Assess the patient

37
Q

Nasal cannulation would be administered to the patient at a flow rate of

A

2-4 litres

38
Q

The residual amount of air left in the lungs atfter exhaling is

A

1.5 litres 1500ml

39
Q

What is the respiratory center responsible for?

A

Responsible for breathing.
How fast, how deep etc

40
Q

What do the central chemoreceptors do?

A

Gather information to tell the respiratory center. such as Co2 and PH levels

41
Q

What do the peripheral chemoreceptors do?

A

Gather information to tell respiratory center such as 02 levels.
Located outside the brain in the carotid and aortic bodies .

42
Q

Where is the respiratory center?

A

In the brain

43
Q

Where are the central chemoreceptors?

A

Brain

44
Q

What is tidal volume?

A

Each breath.
The amount of air which moves in or out of the lungs each breath. 500ml

45
Q

What is dead space volume?

A

Aid that is inhaled and does not take part in gas exchange.
150ml remains in respiratory passage

46
Q

What is inspiration reserve volume?

A

The max amount of additional air that can be taken into the lungs after a normal breath

47
Q

What is expiratory reserve volume?

A

The max amount of additional air that can be forced out of the lungs after a normal breath

48
Q

What is residual volume?

A

Amount left in lungs after max out breath. 1.5 litres

49
Q

What is vital capacity?

A

Max amount of air that can be breathed out after breathing in as much air as possible

50
Q

What is minute volume?

A

Volume breathed in per minute = 6/7 litres per min

51
Q

What is Alkalosis?

A

Caused by over breathing. Via hyperventilation

Dental Nurse Sedation Post Qual Exam (11 decks)

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