SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
Musculoskeletal
Start Test
Study First
Subject
:
health-sciences
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. What lesion causes Saturday night wrist drop
Impetigo - s aureus - s pyogenes
Serum ca - phos - alk phos are NL
Radial nerve
Condyloma acuminatum - caused by HPV
2. subchondreal cysts - sclerosis - osteophytes - joint space narrowing - eburnation - hebereden's nodes (DIP) bouchard nodes (PIP) - characteristic findings of this dz
Polymyositis - shoulders - perifasicular inflammation
Osteoarthritis
STD presents as a monarticular - migratory arthritis with an asynmetrical pattern - affected joint is painful - red and swollen
Strawberry hemangioma
3. What disease is caused by autoantibodies to desomosmes - What area of the cell would it occur - and what molecules are connecting
Pemphigus vulgaris - macula adherens where cadherins attach to intermediate filaments
Posterior cord
Loss of medial lumbrical fxn; 4th and 5th digits are clawed - when try to open hand - pinky and ring finger stay clawed
Median nerve - same fingers but not on the hand
4. What are common features of lupus
Wire - loop lesions in kidney with immune complex deposition - death from renal failure and infxns
Ulnar
In pemphis vulgaris - separation of epidermis upon manual stroking of skin
Myasthenia gravis - autoAb against ACH receptors causing ptosis - diplopia - general weakness -
5. Who does osteoporosis type 2 effect
Calcinosis - raynauds - esophageal dysmotility - sclerodactyly - telangiectasia - anti centromere antibody
S100 - associated with sunligh exposure - fair skinned at risk - depth of tumor correlates with risk of mets - dark with irregular borders
Men and women > 70 - senile osteporosis
ANA - sensitive but not specific
6. What antibody is less sensitive than RF but more specific and What is the HLA association
Anti - CCP - HLA- DR4
Polymyaglia rheumatica associated with temporal (giant cell) arteritis
Antibodies around cells of the epidermis in a reticular or netlike pattern
Atopic dermatitis - eczema
7. What nerve is compressed in carpal tunnel syndrome or a disclocation of this bone
Erythema nodosum
S100 - associated with sunligh exposure - fair skinned at risk - depth of tumor correlates with risk of mets - dark with irregular borders
Binds myosin head and releases actin filament allowing cross - bridge cycling and shortening to occur
Median nerve - lunate bone
8. What does IM reveal in pemphigus vulgaris
Basal cell carcinoma - pearly papules - commonly with telangiectasias
Erythema multiforme - can be macules - papules vesicles - target lesions -
Antibodies around cells of the epidermis in a reticular or netlike pattern
Down T tubule
9. Achondroplasia is a failure of what process which results in which characteristic findings
Type 2
Failure of longitudinal growth (endochondrial ossification) leading to short limbs - membranous is unaffected - large head
Schaumann (calcium and protein inclusions inside Langhans giant cells) and asteroid bodies
Lung
10. Flat discloration <1cm seen in tinea versicolor
Calmodulin - complex activates myosin light chain kinase
Acantholysis
Lamber eaton - presynaptic Ca channels - dec ACH release leading to proximal muscle weakness
Macule
11. Decrease marrow space in osteopetrosis leads to what?
Anemia - thrombocytopenia - infection - extramedullary hematopoiesis
Median nerve - lunate bone
Binds myosin head and releases actin filament allowing cross - bridge cycling and shortening to occur
Fever - fatigue - pleuritis - pericarditis
12. inc thickness of stratum corneum seen in psoriasis
Hyperkeratosis
Osteoarthritis
Inc CK - inc aldolase - and positive ANA and anti Jo -1 - steroids
Over deltoid
13. What causes compression of the C7 nerve root
Exercise and Ca ingestion before age 30
Cervical disk lesion
Nl - thickened dense bones
Polymyaglia rheumatica associated with temporal (giant cell) arteritis
14. What development failure can results in albinism
Anti Smith
Cartilaginous by chondrocytes first - osteoclasts and osteoblasts later replace with women bone and remodel to lamellar bone - endochondrial ossification
Ephelis
NC migration
15. Where does cartilage loss begin in osteoarthritis
Medial forearm and arm to just under the axilla
Medial aspect
Cellulitis - s aureus - s pyogenes
Acute back pain - loss of height - and kyphosis
16. What are the common perpetrating infections for Reiters syndrome
Staph scalded skin syndrome
Post GI infxn or chlamydia
Strawberry hemangioma
Middle bicep down - cuts lateral at cuboidal foass and runs distally to include the thumb and 2nd digit
17. Where is C4 dermatome
Making fist with a proximal median nerve lesion
Osteochondroma - exostosis
Over deltoid
S. aureus - streptococcus
18. In smooth muscle contraction - What does Ca bind and What is the purpose
Calmodulin - complex activates myosin light chain kinase
Wire - loop lesions in kidney with immune complex deposition - death from renal failure and infxns
Nl - decreased bone mass
Ulnar
19. What are the lab findings in pagets disease
Teres minor
HI shrinks - A stays same
Hairy leukoplakia - HIV population - EBV mediated
Inc alk phos - abnl bone architecture
20. What do the lumbrical muscles do
Dec estrogen causes inc bone resorption - postmenopausal
Flex at the MCP
Fibroblast growth factor receptor (FGFR3) inhibits chondrocyte proliferation
Integrin binds laminin in BM
21. What lesion causes claw hand and What are the muscles involved
Parotid enlargement - inc risk of B cell lymphoma - dental caries
Lung
Ulnar nerve - intrinsic muscles of hand
Scleroderma
22. yellow when parallel and blue when perpendicular
Gout
Pseudogout
Elevated ESR and nl CK - prednisone
Carbonic anhydrase II
23. What are the lab findings in osteoporosis
Radial - BEST extensors - posterior arm and dorsal hand/thumb - wrist drop
Radial nerve becomes compressed in axilla
Nl - decreased bone mass
Axillary - deltoid - skin over deltoid - flattened deltoid
24. What muscle the long thoracic nerve innervate - What does it do - and when can it be injured
Serratus anterior - connects scapular to thoracic cage - abduction above horizontal position - injured in mastectomy - winged scapula and lymphedema
Elevated ESR and nl CK - prednisone
Large goints (knee)
Psoriasis
25. premalignant lesions caused by sun exposure - small rough - erythematous or brownish papules - cutaenous horns - Name and risk of carcinoma
Recurrent branch of the median nerve
Wire - loop lesions in kidney with immune complex deposition - death from renal failure and infxns
Keratoacanthoma
Actinic keratosis - risk proportional to epithelial dysplasia
26. hives - intensely pruritic wheals that form after mast cell degranulation
Urticaria
Actinic keratosis - risk proportional to epithelial dysplasia
Polymyositis - shoulders - perifasicular inflammation
Cartilaginous by chondrocytes first - osteoclasts and osteoblasts later replace with women bone and remodel to lamellar bone - endochondrial ossification
27. What cancer in particular are associated with LE syndrome - what happens to symptoms with muscle use or ACH esterase inhibs
Small cell cancer of the lung - improve with muscle use - no change with ACHE inhibs
Connects cells to underlying extracellular - bullous pemphigoid
Loss of lateral lumbrical fxn - 2nd and 3d digits are clawed and can't extend
Myosin releases bound ADP and is displaced on the actin filament
28. What nerve is injured in a posterior hip dislocation or polio and What are the motor defs
Macule
ANA - sensitive but not specific
Superior glut - thigh abduction - pos trendelenburg - hip drops when standing on the opposite foot (standing on the side of the lesion)
Actinic keratosis
29. What lesion causes difficulty flexing elbow with variable sensory loss
Peroneal everts and dorsiflexes - foot dropPED; tibial inverts and plantarflexes - can't stand on Tip toes
In pemphis vulgaris - separation of epidermis upon manual stroking of skin
Musculocutaneous
Axilla
30. large fluid containing blisters seen in bullous pemphigoid
Posterior cord
Bulla
Ulnar nerve
Rigor mortis
31. In which gender is gout more common and What does the crystals appear like microscopically
Men - needle shaped and negatively birefringent = yellow crystals under parallel light
GC and cGMP and inhibition of MLCK
Subclavius
Tear of the ACL
32. What nerve is injured in a fracture of the medial epicondyle of humerus - and What is a more distal lesion injuring the same nerve
Ulnar nerve - fracture of hook of hamate
Posterior cord
Median nerve
Paralysis of abductors
33. What causes the symptoms of MG to worsen - and What is used to diagnose
Posterior hip dislocation - can't jump - climb stairs or rise from seated positions
Allopurinaol - uricosurics (probenicid)
Muslce use - nerve stim/compound muscle test
Serum ca - phos - alk phos are NL
34. Reduction of primarily trabecular (spongy) bone mass despite nl bone mineralization lab values
Squamous cell carcinoma
Osteoporosis
Axilla
Macule
35. deep tissue injury - crepitus from methane and CO2 production 'flesh eating bacteria' - condition and orgs
Osteopetrosis - abnl fxn of osteoclasts
Dysplastic nevus
Necrotizing fasciitis - anaerobic bacteria or S. pyogenes
Polymyaglia rheumatica associated with temporal (giant cell) arteritis
36. What does abnl passive abduction of the knee indicate
Torn MCL
Fever - fatigue - pleuritis - pericarditis
Lung
Femoral - thing flexion and leg extension - anterior thigh and medial leg
37. What do lupus pts falsely test positive for syphillis
False positives on syphillis test (RPR/VRDL) due to antiphospholipid antibodies - cross react with cardiolipin
In pemphis vulgaris - separation of epidermis upon manual stroking of skin
Ulnar nerve - adduction of thumb - extension of 4th and 5th fingers (lumbricals)
Dermatomyositis
38. Administration of what kind of compound causes reversal of symptoms and What is used to distringuish under from over dosing
Allopurinaol - uricosurics (probenicid)
Supraspinatus - abducts the arm before the deltoid
ACH esterase inhibitors - edrophonium test - improvement of sx after edro means the patient is underdosed
Gout
39. When do acute attacks of gout typically occur
Pain in weight bearing joints at the end of the day and improving with rest
After a large meal or EtOH conspumption
Inc blood flow from AV shunts can cause high output heart failure
Large goints (knee)
40. loss of what muscles in Erbs causes the medial rotation
Spindle shaped cells with multinucleated giant cells
Female between 14 and 45 - mostly black
Paralysis of lateral rotators
Pain in weight bearing joints at the end of the day and improving with rest
41. herald path followed by days later christmas tree distribution - multiple papular eruptions; remits spontaneously
Ulnar nerve - fracture of hook of hamate
Pityriasis rosea
Osteogenic carcinoma
Supraspinatus - abducts the arm before the deltoid
42. Other than N. gono - what organisms can cause infectious - septic arthritis
Parakeratosis
S. aureus - streptococcus
Condyloma acuminatum - caused by HPV
Medial aspect
43. What medication is contraindicated in osteoporosis
Lung
Adductor policis brevis
Lesioned by midshaft fracture of humerus
Glucocorticoids
44. How does gonococcal arthritis present
STD presents as a monarticular - migratory arthritis with an asynmetrical pattern - affected joint is painful - red and swollen
S. aureus - streptococcus
Anti - histone
Schaumann (calcium and protein inclusions inside Langhans giant cells) and asteroid bodies
45. inflammatory lesions of subQ fat - usually on anterior shins - associated with coccidioidomycosis - histoplasmosis - TB - leprosy - streptoccocal infxn - sarcoid
Acanthosis nigcricans
Fibrinoid necrosis surrounded by palisading histiocytes
Staph scalded skin syndrome
Erythema nodosum
46. What causes osteomalacia/ricketts - why - and What therapy can reverse the symptoms
Hands and face - ulcerative red lesion - locally invasive bur rare metastasis - associated with chronic draining sinuses and keratin pearls
Ulnar nerve - adduction of thumb - extension of 4th and 5th fingers (lumbricals)
3rd finger
Vit D def - dec Ca - inc PTH - dec serum phos - reversible when vit D is replaced
47. Anterior hip dislocation causes injury to what nerve and What are the motor and sensory defs
Obturator - thigh adduction - medial thigh
Melasma (chloasma)
Immunoglobulins - malar rash - discoid rash - ANA - mucositis (oropharyngeal ulcers) - neurologic disorders - serositis (pleuritis - pericarditis) - hematologic disorders - arthritis - renal - photosensitivity
Ephelis
48. What TX prophylax against osteoporisi
Widespread skin involvment - rapid progression - early visceral involvement
Median nerve - same fingers but not on the hand
Common peroneal - foot eversion and dorsiflexion - toe extention - foot drop - foot slap - stepped gaint - anterolateral leg and dorsal aspect of foot for sensory
Exercise and Ca ingestion before age 30
49. What lesion causes winged scapula
Axillary nerve
Long thoracic nerve
Macule
After a large meal or EtOH conspumption
50. locally invasive but rarely mets skin cancer - rolled edges - with central ulceration - cancer and gross path
Musculocutaneous
Torn MCL
GC and cGMP and inhibition of MLCK
Basal cell carcinoma - pearly papules - commonly with telangiectasias