Rheumatoid Arthritis

Question 0

Percentage of RA patients with negative RF

Answer 0

30%

Question 1

The “shared epitope” refers to an amino acid sequence shared by these (3) HLA-DRB chains and is a strong risk factor for RA

Answer 1

DR4, DR14, DR1

Question 2

Percentage of RA patients with negative anti-CCP

Answer 2

40%

Question 3

Strong environmental risk factor for developing RA

Answer 3

Smoking

Question 4

Occupational exposures linked to RA

Answer 4

Asbestos and silica

Question 5

Marginal erosions in RA may be evident earliest at this joint

Answer 5

5th MTP

Question 6

Joints spared in RA

Answer 6

DIP, lumbar spine

Question 7

Most common entrapment neuropathy in RA

Answer 7

Carpal tunnel syndrome

Question 8

Condition where RF has 100% sensitivity

Answer 8

Mixed cryoglobulinemia

Question 9

Percentage of Sjögren syndrome patients with a positive RF

Answer 9

70%

Question 10

Percentage of SLE patients with positive RF

Answer 10

20-30%

Question 11

The “shared epitope” refers to an amino acid shared by these (3) HLA-DRB chains and is a strong risk factor for RA

Answer 11

DR4, DR14, DR1

Question 12

Percentage of RA patients with negative RF

Answer 12

30%

Question 13

Percentage of RA patients with negative anti-CCP

Answer 13

40%

Question 14

Strong environmental risk factor for developing RA

Answer 14

Smoking

Question 15

Occupational exposures linked to RA

Answer 15

Asbestos and silica

Question 16

Marginal erosions in RA may be evident earliest at this joint

Answer 16

5th MTP

Question 17

Joints spared in RA

Answer 17

DIP, lumbar spine

Question 18

Most common entrapment neuropathy in RA

Answer 18

Carpal tunnel syndrome

Question 19

Condition where RF has 100% sensitivity

Answer 19

Mixed cryoglobulinemia

Question 20

Percentage of Sjögren syndrome patients with a positive RF

Answer 20

70%

Question 21

Percentage of SLE patients with positive RF

Answer 21

20-30%

Question 22

The “shared epitope” refers to an amino acid shared by these (3) HLA-DRB chains and is a strong risk factor for RA

Answer 22

DR4, DR14, DR1

Question 23

Percentage of RA patients with negative RF

Answer 23

30%

Question 24

Percentage of RA patients with negative anti-CCP

Answer 24

40%

Question 25

Strong environmental risk factor for developing RA

Answer 25

Smoking

Question 26

Occupational exposures linked to RA

Answer 26

Asbestos and silica

Question 27

Marginal erosions in RA may be evident earliest at this joint

Answer 27

5th MTP

Question 28

Joints spared in RA

Answer 28

DIP, lumbar spine

Question 29

Most common entrapment neuropathy in RA

Answer 29

Carpal tunnel syndrome

Question 30

Condition where RF has 100% sensitivity

Answer 30

Mixed cryoglobulinemia

Question 31

Percentage of Sjögren syndrome patients with a positive RF

Answer 31

70%

Question 32

Percentage of SLE patients with positive RF

Answer 32

20-30%

Question 33

Specificity of anti-CCP in RA

Answer 33

95%

Question 34

Specificity of RF in RA

Answer 34

80%

Question 35

Components of Felty syndrome

Answer 35

RA
Pancytopenia
Splenomegaly
Leg ulcers

Question 36

Biologic DMARD used for RA that is associated with an increased risk of lymphoma, lung cancer, and COPD flares

Answer 36

Abatacept

Question 37

Patients with RA may be more likely to respond to rituximab if they are positive for this serology

Answer 37

RF