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Dental Nurse Sedation Post Qual Exam > Exam questions > Flashcards

Exam questions Flashcards

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1
Q

Gas cylinders are different colours depending upon their content. If the cylinder was coloured blue what would it contain?

A

Nitrous Oxide.

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1
Q

You have greeted your patient who attends for Inhalation Sedation- they have not brought an escort with them. What action does the dental team take?

A

Say it will be alright and carry on.

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2
Q

What does MAC stand for?

A

Minimum Alveolar Concentration.

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3
Q

When referring to gases what does MAC relate to?

A

Potency of the gas.

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4
Q

Who has the legal responsibility for checking the inhalation sedation machine?

A

The treating Dental Clinician.

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5
Q

What is the time weighted average (TWA) for staff working with nitrous oxide?

A

100ppm over an 8 hour time period.

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6
Q

What does a half full nitrous oxide cylinder contain?

A

Gas above a liquid.

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7
Q

What does a full oxygen cylinder contain?

A

Gas.

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8
Q

Which structure within the respiratory system are also known as air sacs?

A

Alveoli.

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9
Q

Oxygen and carbon dioxide are exchanged when we breathe. The oxygen is taken into our body and the carbon dioxide is exhaled. Where does gaseous exchange take place?

A

Alveoli.

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10
Q

You are working with a dentist and a small bracket has been dropped. If the item was lost down the oropharynx, which lung would it most likely go in to?

A

The right lung.

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11
Q

There are two lungs situated in the thoracic cavity with the heart. One is larger than the other. Which lung is the smallest?

A

The left lung.

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12
Q

Breathing is an involuntary action and is dependent upon something happening to the body. Which substance drives breathing?

A

Carbon Dioxide.

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13
Q

What are the air passages within the respiratory system lined with?

A

Cilia.

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14
Q

Which lung is higher up?

A

The right lung

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15
Q

Medical terminology can be difficult for patients to understand. Which structure within the respiratory system is also known as the voice box?

A

The Larynx.

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16
Q

Which structure within the respiratory system contains the thyroid cartilage?

A

The Larynx.

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17
Q

Which substance within the respiratory structure is a waste product?

A

Carbon Dioxide.

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18
Q

What are red blood cells also known as?

A

Erythrocytes.

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19
Q

Which cell within blood is responsible for clotting?

A

Platelets.

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20
Q

Which of the pulmonary structures carries deoxygenated blood?

A

The pulmonary artery.

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21
Q

Which valve separates the left atrium from the left ventricle?

A

Mitral. / Bicuspid

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22
Q

In the heart, which structure separates the right side from the left?

A

Septum.

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23
Q

If a patient has a hole in their heart, which part of the heart would be damaged?

A

Septum.

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24
Q

What is the generic name of Anexate?

A

Flumazenil.

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25
Q

When dealing with an unconscious casualty how long should you check if the patient is breathing?

A

10 seconds.

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26
Q

During a cardio pulmonary resuscitation how deep should the chest compressions be?

A

5-7 cm

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27
Q

During a cardio pulmonary resuscitation how often should the pulse be rechecked?

A

Never

28
Q

What percentage of oxygen does the ambu bag deliver to the patient when attatched to the emergency oxygen supply?

A

98%

29
Q

What position should an unconscious casualty who is breathing be put in?

A

Recovery position

30
Q

Which drug is the drug of choice given for acute major anaphylaxis??

A

Adrenaline 1:1000

31
Q

What is the most common cause of airway obstruction?

A

Tongue

32
Q

How is an OP airway mesasured?

A

From the angle of the mandible to the corner of the mouth

33
Q

How much oxygen does expired air contain?

A

16%

34
Q

What is meant by the term dead space?

A

The amount of gas left unused in the respiratory tract during repiration

35
Q

If the rescuers efforts fail to inflate the lungs during resuscitation the rescuers firstly..

A

Reposition the head

36
Q

Ideally, following the removal of an indwelling needle you should apply to the venepuncture site:

A

A pressure dressing

37
Q

Before IV injection, pressure is applied to the upper arm. At what point should this pressure be released?

A

Immediately blood is drawn into the syringe

38
Q

Common side effect of iv sedation?

A

Amnesia

39
Q

Before administering either iv or ihs it is important for the clinician to:

A

Obtain pt consent

40
Q

What is the maximum acceptable occupational exposure to nitrous oxide for personnel in UK

A

100ppm

41
Q

What is the half life of Temazepam?

A

3-13 hours

42
Q

How are IV agents carried to the site of action in the brain?

A

The plasma

43
Q

What is the main advantage of using diprivan for iv sedation?

A

It has a rapid elimination & recovery

44
Q

Which drug is administered according to body weight?

A

Diprivan

45
Q

What is the initial dose of flumazenil given when a patient becomes over sedated with IV benzodiazepine sedation?

A

200mcg

46
Q

What is meant by the term diffusion hypoxia?

A

When nitrous oxide occupies space in lungs at the expense of oxygen

47
Q

What size are the cylinders on the IHS machine?

A

Size E

48
Q

What is the pressure of a full oxygen cylinder?

A

2000lbs PSI

49
Q

What is the weight of an empty E size nitrous oxide cylinder?

A

12lbs

50
Q

What is the name of the active metabolite produced by Diazepam?

A

Desmethyldiazepam

51
Q

What does GABA stand for?

A

Gamma aminobutyric acid

52
Q

How long is a patient kept in recovery following tx under IV sedation with midazolam?

A

At least one hour from the time of the last increment

53
Q

What is the MAC of nitrous oxide?

A

105

54
Q

What year was the poswillo report carried out?

A

1990

55
Q

What would a patient feel if a drug was introduced into an artery?

A

Pain radiating down the arm

56
Q

Name the nerve in the on medical aspect of the antecubital fossa?

A

Median nerve

57
Q

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

A

350ml

58
Q

Trachea has which shaped cartilage in its walls?

A

C shaped

59
Q

External respiration involves:

A

Transfer of oxygen n carbon dioxide in the alveoli

60
Q

Inspired air contains how much oxygen?

A

21%

61
Q

The nerves which reduce the lumen of the blood vessels are called?

A

Vasoconstrictors

62
Q

What is meant by the mean arterial pressure?

A

The average pressure pushing blood through the circulatory system?

63
Q

The MDM RA machine safety features include-

A

Nitrous oxide cut off if oxygen supply fails

64
Q

Bradycardia is..

A

A slow pulse rate

65
Q

A small flashback of blood during the cannulation period indicated..

A

The cannula is in the lumen of the vein

66
Q

An over sedated RA patient might exhibit the following..

A

Anxiety and disorientation

67
Q

Arteries…

A

Have a thick layer of smooth muscle than a vein

Dental Nurse Sedation Post Qual Exam (11 decks)

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