MCQ

Question 1

The document standards of conscious sedation in the provision of dental care 2015 includes a definition of conscious sedation. which part of this definition relates to the depression of a system so treatment can be carried out

Depression of the cardiovascular system

Depression of the central nervous system

Depression of the renal system

Depression of the respiratory system

Depression of reflexes

Answer 1

Depression of the Central nervous system

Question 2

Intravenous sedation is a process where a sedative drug is administered?

Buccally

Into a muscle

Into a vein

Sublingually

Answer 2

Into a vein

Question 3

Blood pressure is monitored before during and after treatment what is the normal value for the diagnostic blood pressure of a healthy adult 

Answer 3

60mmHg

80mmHg. ✔️

100mmHg

120mmHg

140mmHg

Question 4

When blood pressure is taken two readings are recorded the systolic and diastolic . diastolic blood pressure is

Is always higher than the systolic reading

The lower pressure that occurs between heartbeats

The lower pressure that occurs on atrial contraction

The highest pressure that occurs on ventricular contraction

Answer 4

The lowest pressure that occurs between heartbeats

Question 5

A body mass index BMI is measured of body fat based on weight in relation to height what source is considered overweight

Below 18. 5

18. 5 to 24.9

25 to 25.9

30 to 35.9

Over 40

Answer 5

25 to 29.9

Question 6

What is the correct name for the back part of the hand which is used for IV sedation

Answer 6

Dorsum

Question 7

What is the correct name for the back of the elbow IV access site

Answer 7

Antecubital Fossa

Question 8

When performing venepuncture in the antecubital fossa what main anatomy structure would be avoided

Basilica vein

Brachial artery

Brachial pulse

Cephalic vein

Radial pulse

Answer 8

Brachial artery

Question 9

Respiratory rate is required to be monitored during conscious sedation according to current guidelines who needs to be able to undertake this

The dentist

The dental nurse

The escort

All members of the clinical team

The seditionist 

Answer 9

All members of the clinical team

Question 10

Respiratory rate is monitored what is the average respiratory rate in a healthy young adult at rest

6 breaths per minute

12 breaths per minute

24 breaths per minute

96 breaths per minute

Answer 10

12 breaths per minute

Question 11

Heart rate is monitored what is the average pulse rate in a healthy young adult at rest

12 bpm

35 bpm

60 bpm

110 bpm


Answer 11

60 bpm

Question 12

A blood pressure of 180/90 is considered to be

Bradycardia

Hypertension

Hypotension

Hyperoxia

Tachycardia



Answer 12

Tachycardia

Question 13

A pulse meter has an alarm setting to notify the patient exceeds 140 bpm if the alarm sounded and the pulse rate was reading 145 bpm what is the correct term for this condition

Arrhythmia

Bradycardia

Fibrillation

Tachycardia

Tachypnoea

Answer 13

Tachycardia

Question 14

Temazepam

Benzodiazepines dose for an adult and child Before procedure?

Answer 14

Adult 10-30mg 1 hour before procedure

Child 5 to 15mg 

Question 15

Temazepam adequate sedation occurs at approximately what time when given 

Answer 15

30-45 mins

Question 16

What can be used as a pre-med 2mg or 5mg the night before as a tablet for treatment and then a further tablet in the morning

Answer 16

Diazepam

Question 17

What can be given to relax a patient one hour before iv treatment

Answer 17

Diazepam 10 mg tablet

Question 18

What is midazolam concertation

Answer 18

10mg/2ml

Question 19

What is midazolam oral solution concertation 

Answer 19

2.5mg in 1ml mix with a fruit juice cordial

Question 20

What is the onset time of midozalam

Answer 20

20 to 30 minutes

Question 21

What is known as first pass metabolism

Answer 21

First pass affects also known as first pass metabolism some of the drug is absorbed in the gastrointestinal tract and liver due to this the concentration of the drug is reduced before it reaches the circulation

Question 22

What is the dose for midozalam intranasal

Answer 22

10 mlof a 40 MGML concentration

Rapidly absorbed in the nostril

Question 23

Blood gas solubility is

Answer 23

0.47 (low)

Question 24

MAC Potency

Answer 24

105% (weak)

Question 25

Where is nitrous oxide absorbed 

Answer 25

In the lungs and excreted in the lungs

Question 26

Guedels stages of anaesthesia

Answer 26

Stage one plane 1,2, 3.

Stage 2 excitement

Stage 3 plane 1.2.3.4. Surgical Anastasia

Stage 4 medially depression

Question 27

Plane one

Answer 27

Relaxation

Sense of well-being

Tingling

Able to respond

Question 28

Plane 2

Answer 28

Increased relaxation

Feeling detached

Dreamy

Increase paraesthesia

Reduction in gag reflex



Question 29

Plane 3 clinical signs

Answer 29

Marked sleepiness

Glazed appearance

Complete Anastasia

Nausea and dizziness

Vomiting can occur

Unresponsive to questions

Could enter stage two of GA lost consciousness

Question 30

Vitamin B12 disadvantages from the nitrous oxide

Answer 30

Headache.
Nausea and vomiting.
Diarrhea.
Fatigue or weakness.
Tingling sensation in hands and feet.
Miscarriage

Question 31

Gas oxygen levels when checking can’t be below what?

Answer 31

Can’t go below 4/4 full

Question 32

What is the Pin index system

Answer 32

Gases can not be put on wrong side so correct gas cylinder is connected to the correct side

Question 33

What is a bodok seal

Answer 33

Washer to insure there is a tight seal on the cylinder to prevent leakage 

Question 34

What is the reservoir bag

Answer 34

Indicate the rate of flow of breathing from the patient



Question 35

What is tidal and minute flow rate

Answer 35

0.5 x 12 = 6 litres per minute

500ml 0.5l

This is the average flow rate but the patient can be out of this range especially children who breath faster

Question 36

Oxygen can not go below what percentage in inhalation sedation

Answer 36

30%

Question 37

What does NIST stand for

Answer 37

National Institute of science and technology