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BDS3 Oral Surgery > Previous MCQ > Flashcards

Previous MCQ Flashcards

1
Q

What is the maximum safe dose of paracetamol can a pt have over 24 period?

A
  • 4g
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2
Q

You are examining neck of a pt who has had a recent throat infection. What diagnosis on lymph nodes is most likely correct?

A
  • Enlarged deep cervical nodes only
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3
Q

When thinking about potential of post op bleeding following tooth XLA, what is a systemic haemostatic agent that could be provided to help alleviate prolonged bleeding?

A
  • Tranexamic acid
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4
Q

What is the documented permanent neuro-sensory damage to IAN following XLA of low risk wisdom tooth?

A
  • <10%
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5
Q

What is a peri-operative complication?

A
  • Fracture of alveolar plate
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6
Q

Osteoporosis is a common finding in elderly and can result in ?

A
  • Increase in risk of lower vetebral fractures
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7
Q

Osteoarthritis is a frequently a problem in elderly. Main supplement or drug take to reduce the disability associated with this is?

A
  • Non-steroidal anti inflammatories
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8
Q

What space is the most common for an acute abscess to track to from an upper lateral incisor tooth?

A
  • Buccal
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9
Q

An elderly pt feels faint when made to sit rapidly from lying flat in dental chair. Most likely reason in the ageing pt is?

A
  • Reduced baroreceptor response
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10
Q

Following dental trauma the most likely place to find a missing tooth fragment is where?

A
  • In right main lunch bronchi
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11
Q

An older person attend GP as he has been losing weight and getting breathless. GP takes a blood sample to check for anaemia. What first line blood test does he request?

A
  • Full blood count
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12
Q

Haemophillia A is caused by deficiency of ?

A
  • Factor VIII
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13
Q

Haemophilia B is caused by deficiency of ?

A
  • Factor IX
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14
Q

Patients with RA can have difficulty holding toothbrush due to destruction of

A
  • Metacarpophalangeal joints?
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15
Q

68 year old female taking alendronic acid for osteoporosis. Requires non-surgical tooth XLA. How should she be managed?

A
  • XLA and review pt 4 weeks later
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16
Q

60 year old male attends 6 months after radiotherapy for left tonsillar tumour. Dry mouth. Wears maxillary denture and has 10 mandibular teeth remaining, you prescibe him saliva substitutes - what should NOT be prescribed?

A
  • Glandosane aerosol spray
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17
Q

23 female with Type 1 von willebrands disease requires XLA of 3 molar teeth. What medications will she need prior to removing these?

A
  • Desmopressin (DDVAP)
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18
Q

Hypothyroid pt found to have?

A
  • Low T4 and high TSH
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19
Q

What is the most appropriate post-surgical advice to give to pt who has just had tooth XLA>

A
  • Avoid eating until effect of anaesthetic has worn off
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20
Q

Sharp shooting painful sensation affecting lower lip?

A
  • Dysaethesia
21
Q

Pt has medication that directly inhibits thrombin. Needs XLA of 4 teeth and has appointment monday at 9am. What instructions related to medication?

A
  • Miss morning dose of Dabigatran and take medication as normal in evening
22
Q

What is an IV bisphosphanate drug that may cause complications following XLA?

A
  • Zoledronic acid
23
Q

What applies to flap design?

A
  • Base of flap should be wider than apex
24
Q

Weakness of lower facial muscles and upper limb on same side starting suddenly during dental treatment would suggest pt has had a?

A
  • Transient ischaemic attack
25
Q

Pt living with myeloma for 3 years. Presents with area of exposed bone and has been present for 10 weeks following tooth XLA. What is it?

A
  • Medicated related osteonecrosis of Jaw (MRONJ)
26
Q

What is a luxator used for?

A
  • Cutting PDL
27
Q

What is a parrot beak nose associated with>

A
  • Aperts
28
Q

What muscles causes resistance to open mouth and sore right TMJ

A
  • Lateral pterygoid
29
Q

Where is the lingual nerve position>

A
  • Between medial ptyergoid and mandible
30
Q

What drains into the submandibular ?

A
  • Maxillary sinus
31
Q

What is the percentage of dry socket/osteonecrosis>

A
  • 2-3%
  • 20-30% in L8s
32
Q

Why do you decrease the dosage for elderly pt?

A
  • Reduced excretory capacity in kidney
33
Q

What is the maximum dose of lignocaine?

A

4.4mg/Kg cartridges
- 7 cartridges for 70kg

34
Q

How much of retained root can be safely left?

A
  • 3mm
35
Q

What lies behind the zygomatic arch ?

A
  • Temporalis
36
Q

What LA should you avoid in pregnant women?

A
  • Felypressin - Octopressin
  • Induces labour
37
Q

When is nerve damage most likely to be permanent?

A
  • Improvement can occur 18-24 months, after this there is little chance
38
Q

What does chronic bronchitis lead to?

A
  • Hypersecretion of mucous in bronchus
  • Persistent cough
  • Damage to airway
39
Q

What does Asthma lead to?

A
  • Bronchial contraction
  • Airway oedema
  • Mucous secretion
40
Q

What are the beta 2 agonist for asthma?

A
  • Short acting - salbutamol blue
  • Long acting - salbutamol green
41
Q

What are some corticosteroids for asthma?

A

o Beclomethasone (brown)
o Budesonide (brown)
o Fluticosone (orange)
o Momethasone (pink)

42
Q

How does LA work?

A
  • Binding to Na reception of inside of cell
43
Q

What are some amide LA?

A
  • Lidocaine 2% 1:80 000 adrenaline
  • Prilocaine (citanes) 3% - don’t use in pregnant
  • Articaine (septanest) 4% 1:100,000 - use in liver pt
44
Q

What are some ester LA?

A
  • Cocaine
  • Procaine
  • Benzocaine
45
Q

How does adrenaline work?

A
  • Affects alpha and beta receptors equally
  • Decrease TPR because more beta receptors on BV than alpha
  • Increase cardiac output
  • Little to no effect on mean arterial BP
46
Q

How does Noradrenaline work?

A
  • More effective on alpha than beta receptors
  • Increase in TPR because alpha > beta
  • Increase cardiac output
  • Increase mean arterial BP
47
Q

What dialysis is a pt likely to be on if they have been given Heparin?

A
  • Hemodialysis
48
Q

What dialysis is a pt likely to be on if they have been given Heparin?

A
  • Haemodialysis

BDS3 Oral Surgery (6 decks)

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