LOCO revision 7 Flashcards

1
Q

State which disease causes A-C

A

A: RA
B: OA
C: gout

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2
Q

Saw tooth erosion is associated with which type of OA? [1]

A

Erosive OA

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3
Q

A 30-year-old female presents to a clinic with worsening joint pains, low-grade fever and tiredness for the past 5 months. She also has chest pain that increases when breathing in. On examination, there are painless ulcers in her oral cavity. There is a reddish butterfly-patterned rash on her cheeks. She mentions that the rash worsens when she goes out into the sun. Her blood tests show:

Hb 98 g/L Male: (135-180)
Female: (115 - 160)
Platelets 95 * 109/L (150 - 400)
WBC 3.2 * 109/L (4.0 - 11.0)
ESR 90 mm/hr (0 - 20)

Urinalysis reveals proteinuria and red cell casts. Investigations for autoantibodies are sent for the patient.

Which of the following has the highest sensitivity for the condition this patient is most likely to have?

Anti-La antibodies
Anti-Ro antibodies
Anti-Smith antibodies
Anti-dsDNA antibodies
Antinuclear antibodies (ANA)

A

Antinuclear antibodies (ANA)

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4
Q

Which of the following is true regarding rheumatoid factor?

It is usually an IgM molecule reacting against patient’s own IgG
High titres are not associated with severe disease
Rose-Waaler test involves agglutination of IgG coated latex particles
80% of SLE patients are RF positive
90% of patients with Sjogren’s syndrome are RF positiv

A

It is usually an IgM molecule reacting against patient’s own IgG

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5
Q

Which one of the following confers the least risk of developing osteoporosis?

Obesity

Long term unfractionated heparin therapy

Gastrectomy

Osteogenesis imperfecta

Diabetes

A

Obesity: Low BMI increases the risk of OP

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6
Q

A 34-year-old male is asked to grasp a piece of paper between his thumb and index finger. He is unable to do this.

Which other action is the patient most likely to be struggle with?

Abduction of the thumb
Adduction of his fingers
Extension of his wrist
Pronation of the wrist
Supination of the wrist

A

Adduction of his fingers: nerve palsy

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7
Q

Question 28 of 152
A 23-year-old woman suffers from recurrent anterior dislocations of her left shoulder. A CT scan reveals a Bankart lesion. This is a lesion of the anterior glenoid labrum. Which rotator cuff muscle tendon is found at the anterior aspect of the shoulder capsule?

Teres minor

Supraspinatus tendon

Teres major

Subscapularis tendon

Infraspinatus tendon

A

Subscapularis tendon

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8
Q

What is the pathophysiological process causing rickets?

Excessive activity of receptor activator of nuclear factor kappa-Β ligand (RANKL)

Excessive mineralised osteoid

Excessive non-mineralised osteoid

Excessive osteoclast activity

Inadequate osteoclast activity

A

Excessive non-mineralised osteoid

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9
Q

A 34-year-old man presents to the emergency department complaining of pain in his right hand after a fall 5 days ago. The pain is on the dorsum of the hand, at the base of his thumb. He explains that he fell forwards whilst playing football but managed to catch himself with his right hand before his head hit the floor.

On examination, there is marked tenderness on palpation of the base of the first metacarpal on the dorsum of his hand. There is also swelling in this area.

What type of fracture is the patient most likely to have sustained?

Boxer’s fracture
Colles’ fracture
Galeazzi fracture
Scaphoid fracture
Smith’s fracture

A

Falling onto an outstretched hand (FOOSH) is the most common mechanism causing a scaphoid fracture

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10
Q

A 61-year-old female presents to the rheumatology clinic with a new diagnosis of rheumatoid arthritis. She is started on a short course of steroids and a disease modifying anti-rheumatic drug. What type of joint is primarily affected in rheumatoid arthritis?

Synovial
Fibrous
Cartilaginous
Synostosis
Hyaline

A

Synovial

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11
Q

A 52-year-old woman with muscle aches presents to the general practice. She has been experiencing this for well over a year and it affects her chest and back more so than her limbs. On questioning, she alludes to having bouts on average every 3 months of becoming short of breath. She lives a very healthy lifestyle remaining abstinent from drinking and smoking.

On examination, she has a flat erythematous rash on her torso and purple discolouration bilaterally around the eyelids which she explains she has had for a long time.

Which antibody is associated with the patient’s condition?

Anti-Jo-1

Anti-Scl-70

Anti-smooth muscle

Anti-histone

C-ANCA

A

Anti-Jo-1

Dermatomyositis is associated with the anti-Jo-1 antibody

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12
Q

A 70-year-old woman who has a strong family history of fragility fractures secondary to osteoporosis presents as she is concerned about her own risk. What is the most appropriate way to assess her risk?

Order an x-ray of her hips and lumbar spine
Assess her using the Birmingham Hip Score tool
Order a MRI of her hips and lumbar spine
Check her calcium and phosphate levels
Assess her using the FRAX tool

A

Assess her using the FRAX tool

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13
Q

A 27-year-old male attends his general practitioner with lower back pain. He reports that the back pain has been present for the past year and has minimal improvement with oral ibuprofen and paracetamol. He has found that it is worse in the morning and swimming helps alleviate his symptoms. He has no history of trauma and works as a tax analyst, preferring to run for exercise than perform heavy lifting routines. He has no past medical history of note and no drug allergies.

What is the most likely radiological finding in this patient?

‘Pencil in cup’ deformity
Bamboo spine
Osteophytes
Sacroiliitis
Vertebral collapse

A

Sacroiliitis (Bamboo spine is a sign of late stage AS)

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14
Q

An 84-year-old gentleman presents to GP with stiffness and swelling of the joints on his right hand. On inspection, you see uniform swellings predominantly affecting the distal interphalangeal (DIP) joints, which are non-tender and hard on palpation. He is otherwise systemically well and no other joints are affected. There is no relevant past medical history.

What is the most likely clinical sign described?

Boutonniere deformity
Bouchard’s nodes
Rheumatoid nodules
Heberden’s nodes
Calcinosis cutis

A

Heberden’s nodes

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15
Q

RA

Methotrexate and Rituximab would be

First line treatment
Second line treatment
Third line treatment
Fourth line treatment

A

Third line treatment

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16
Q

RA

Methotrexate and a 2nd line DMARD would be

First line treatment
Second line treatment
Third line treatment
Fourth line treatment

A

First line treatment

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17
Q

RA

Methotrexate & a TNF-inhibitor would be

First line treatment
Second line treatment
Third line treatment
Fourth line treatment

A

Second line treatment

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18
Q

Methotrexate inhibits which enzyme? [1]

A

dihydrofolate reductase

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19
Q

RA

Sulfasalazine is a prodrug for [1]

A

5-ASA

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20
Q

RA Treatment:

Hydroxychloroquine blocks:

TLR7
TLR8
TLR9
TLR10
TLR11

A

TLR9

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21
Q

RA

Leflunomide inhibits which enzyme? [1]

What is the effect of this? [2]

A

Dihydroorotate dehydrogenase (DHODH): stops pyrimidine synthesis & therefore reduces pro-inflammatory cytokines: IL-1, TNF-A and IL-6; Blocks T cell proliferation

22
Q

Which is the staple treatment for RA?

Methotrexate
Sulfasalazine
Hydroxychloroquine
Leflunomide
Infliximab

A

Which is the staple treatment for RA?

Methotrexate
Sulfasalazine
Hydroxychloroquine
Leflunomide
Infliximab

23
Q

Which treatment for RA inhibits dihydrofolate reductase?

Methotrexate
Sulfasalazine
Hydroxychloroquine
Leflunomide
Infliximab

A

Which treatment for RA inhibits dihydrofolate reductase?

Methotrexate
Sulfasalazine
Hydroxychloroquine
Leflunomide
Infliximab

24
Q

Which treatment for RA reduces purine synthesis?

Methotrexate
Sulfasalazine
Hydroxychloroquine
Leflunomide
Infliximab

A

Methotrexate

25
Q

Which treatment for RA reduces pyrimidine synthesis?

Methotrexate
Sulfasalazine
Hydroxychloroquine
Leflunomide
Infliximab

A

Leflunomide

26
Q

Which treatment for RA is safe for pregnant people?

Methotrexate
Sulfasalazine
Hydroxychloroquine
Leflunomide
Infliximab

A

Sulfasalazine

27
Q

Which treatment for RA is prodrug that operates in large intestine?

Methotrexate
Sulfasalazine
Hydroxychloroquine
Leflunomide
Infliximab

A

Which treatment for RA is prodrug that operates in large intestine?

Methotrexate
Sulfasalazine
Hydroxychloroquine
Leflunomide
Infliximab

28
Q

Which treatment for RA that targets TLR-9?

Methotrexate
Sulfasalazine
Hydroxychloroquine
Leflunomide
Infliximab

A

Hydroxychloroquine

29
Q

Which treatment for RA that reduces dendritic cell activation?

Methotrexate
Sulfasalazine
Hydroxychloroquine
Leflunomide
Infliximab

A

Hydroxychloroquine

30
Q

Which is a treatment for RA that inhibits dihydro-orotate dehydrogenase?

Methotrexate
Sulfasalazine
Hydroxychloroquine
Leflunomide
Infliximab

A

Leflunomide

31
Q

Which treatment for RA requires folate to be given alongside?

Methotrexate
Sulfasalazine
Hydroxychloroquine
Leflunomide
Infliximab

A

Methotrexate

32
Q

Which treatment for RA is a tumor necrosis factor-alpha (TNF-alpha) inhibitor?

Methotrexate
Sulfasalazine
Hydroxychloroquine
Leflunomide
Infliximab

A

Infliximab

33
Q

Which treatment for RA is a monoclonal antibody?

Methotrexate
Sulfasalazine
Hydroxychloroquine
Leflunomide
Infliximab

A

Infliximab

34
Q

Which treatment for RA is an anti-CD20 monoclonal antibody?

Etanercept
Adalimumab
Anakinra
Rituximab
Abatacept
Tolizumab

A

Rituximab

35
Q

Which treatment for RA causes B cell depletion?

Etanercept
Adalimumab
Anakinra
Rituximab
Abatacept
Tolizumab

A

Rituximab

36
Q

Which treatment for RA leads to decreased T-cell proliferation and cytokine production?

Etanercept
Adalimumab
Anakinra
Rituximab
Abatacept
Tolizumab

A

Abatacept

37
Q

Which treatment for RA is an IL-1 antagonist?

Etanercept
Adalimumab
Anakinra
Rituximab
Abatacept
Tolizumab

A

Anakinra

38
Q

Which treatment for RA targets IL-6?

Etanercept
Adalimumab
Anakinra
Rituximab
Abatacept
Tolizumab

A

Tolizumab

39
Q

Which treatment for RA targets upregulates CTLA-4, which switches T cell off?

Etanercept
Adalimumab
Anakinra
Rituximab
Abatacept
Tolizumab

A

Tolizumab

40
Q

Which one of the following adverse effects is most characteristically associated with hydroxychloroquine?

Liver impairment
Interstitial lung disease
Hypertension
Liver impairment
Interstitial lung disease
Hypertension

A

Retinopathy

41
Q
A

Hepatoxicity

42
Q

This image shows which type of fracture?

Hangman fracture
Colles fracture
Smith fracture
Wedge fracture

A

Colles fracture

43
Q

A garden spade deformity arises from a

Hangman fracture
Colles fracture
Smith fracture
Wedge fracture

A

Smith fracture

44
Q

This shows what type of deformity? [1]

What type of fracture would this have arisen from? [1]

A

Garden spade; due to Smith fracture

45
Q

This shows a

Hangman fracture
Colles fracture
Smith fracture
Wedge fracture

A

Wedge fracture

46
Q

hyperflexion injuries to the vertebral body resulting from axial loading

This best describes a

Hangman fracture
Colles fracture
Smith fracture
Wedge fracture

A

Wedge fracture

47
Q

Dinner fork deformity arises from improper healing of a

Hangman fracture
Colles fracture
Smith fracture
Wedge fracture

A

Colles fracture

48
Q

What is the name for this type of fracture? [1]

A

Jefferson fracture

49
Q

What is impingement syndrome

Compression of the musculocutaneous nerve
Compression of the long thoracic nerve
Inflammation of the long head of the biceps brachii
Inflammation of the supraspinatus tendon
Compression of the axillary artery

A

Inflammation of the supraspinatus tendon

50
Q

Patient fractures their medial epicodondyle of the humerus, how do they present clinically?

Claw hand
Hand of benediction
Thumb wasting
Wrist drop
Basically normal

A

Basically normal: proximal ulnar damage