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. bening cartilaginous neoplasm found in intramedullary bone - usually distal extremities
Pagets dz - bone infarcts - radiation - familial retinoblastoma - codman's triangle or sunburst pattern from elevation of periosteum - poor prognsosis
Troponin C - conformational change that moves tropomyosin out the myosin binding groove on actin filaments
Endochondroma
Sarcoidosis - black females - ACE
2. What lesion causes total claw (klumpke's hand)
Lower trunk of brachial plexus
Psoriasis
Posterior cord
Asymmetric - swollen - red - painful joint - often MTP (podagra) - tophus formation on external ear - olecranon bursa - achilles tendon
3. What lesions causes Erb's palsy
Upper trunk of brachial plexus
Albinism
Osteopetrosis - abnl fxn of osteoclasts
McCune - Albright syndrome
4. mechanical wear and tear of joints leading to destruction of articular cartilage
Osteoarthritis
Pityriasis rosea
Cartilaginous by chondrocytes first - osteoclasts and osteoblasts later replace with women bone and remodel to lamellar bone - endochondrial ossification
Musculocutaneous
5. inc thickness of stratum corneum seen in psoriasis
Hyperkeratosis
Osteochondroma - exostosis
Verrucae
Type 2
6. transiet vesicle seen in hives
Wheal
NSAIDs (indomethacin) colchicine
Nl - thickened dense bones
Crust
7. What are the borders of the superficial branch of the radial nerve dermatone
Torn MCL
Lung
Elevated ESR and nl CK - prednisone
Dorsal side of lateral hand - most of lateral surface of the thumb - no digits
8. What is the sign of Leser - Trelat
Sudden appearance of multiple sebhorrheic keratosis lesions indicating underlying lesions - GI or lymphoid
Outer arm
Urticaria
Glucocorticoids
9. On the palmar side of the hand - what dermatone covers the most of the thumb - 2nd - 3rd - and medial half of the 4th digits and What does it cover on the dorsal side
Median nerve - same fingers but not on the hand
Musculocutaneous
Lamber eaton - presynaptic Ca channels - dec ACH release leading to proximal muscle weakness
Verrucae vulgaris
10. What antibody is less sensitive than RF but more specific and What is the HLA association
Anti - CCP - HLA- DR4
Chondrosarcoma
Ribonucleoprotein antigents - SS- A and SS- B (Ro and La)
Paralysis of lateral rotators
11. knee trauma - nerve - motor and sensory def
Tibial - foot inversioon and plantarflexion; toe flexion - sole of foot is sensory
Conjunctivitis and anterior uveitis - urethritis and arthritis
Erythema multiforme - can be macules - papules vesicles - target lesions -
Ulnar nerve
12. deep tissue injury - crepitus from methane and CO2 production 'flesh eating bacteria' - condition and orgs
Vesicle
Biceps
Increase in both osteoblast and osteoclast activity
Necrotizing fasciitis - anaerobic bacteria or S. pyogenes
13. blister containing pus
Ulnar nerve
Dec estrogen causes inc bone resorption - postmenopausal
Pustule
Median nerve - lunate bone
14. Where is osteosarcoma found in the bone
Metaphysis of long bones - distal femur
Mesenchymal stem cells in periosteum
Psoriasis
Viral - maybe paramyxovirus
15. What does acantholysis show in pemphigus vulgaris
Wheal
Interossei and adductor policis
Paralysis of lateral rotators
Intraepidermal bullae involving the skin and oral mucosa
16. Loss of what muslces in Erbs causes the limb to hang by side
Hands and face - ulcerative red lesion - locally invasive bur rare metastasis - associated with chronic draining sinuses and keratin pearls
Pustule
Anti ds DNA - poor prognosis
Paralysis of abductors
17. Which muscle is the most common rotator cuff injury and What does it do
Median nerve
Supraspinatus - abducts the arm before the deltoid
Xeropthalmia - xerostomia - arthritis
Basophilic - rhomboid crystals - weakly birefringent
18. What runs the distance of the A band
Urticaria
Binds myosin head and releases actin filament allowing cross - bridge cycling and shortening to occur
Myosin
Antibodies around cells of the epidermis in a reticular or netlike pattern
19. Reduction of primarily trabecular (spongy) bone mass despite nl bone mineralization lab values
Steroids
Restrictive lung disease - bilateral hilar lymphadenopathy - erythema nodosum - Bell's palsy
SERMs - calcitonin - bisphosphates or pulsatile PTH for severe cases
Osteoporosis
20. Autoimmune disorder with IgG antibody against hemidesmosomes - dz - IM - other findings
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
21. Where does cartilage loss begin in osteoarthritis
Medial aspect
Adductor policis brevis
Actinic keratosis - risk proportional to epithelial dysplasia
Pain in weight bearing joints at the end of the day and improving with rest
22. What causes golf or tennis elbow
Cartilaginous by chondrocytes first - osteoclasts and osteoblasts later replace with women bone and remodel to lamellar bone - endochondrial ossification
Blow to the shoulder - trauma during delivery; limb hangs by side - medially rotated - forearm is pronated
Acute back pain - loss of height - and kyphosis
Degenerative injury due to repeated use - tiny tears in the tendons and muscles - may be inflammatory - lateral epicondyle is tennis - medial epicondyle is golf
23. Warts - soft - tan - colored - cauliflower type lesions - epidermal hyperplasia - hyperkeratosis - koilocytosis
Verrucae
Down T tubule
Myosin releases bound ADP and is displaced on the actin filament
Crust
24. Seronegative spondyloarthropathis have what HLA association - and why are they seronegative - and who do they more often occur in
B27 - no RF - males
Morning stiffness for > 30 min improving with use - symmetry - systemic sx
Supraspinatus - infraspinatus - teres minor - subscapularis - SItS
Corneum - lucidum - granulosum - spinosum - basalis
25. What kind of jxn is the zona occludens andw What is is composed of...
Myosin
Inc Ca - dec phos - inc alk phos - inc PTH - brown tumors
Inc spinosum - dec granulosum
Tight jxn - prevents diffusion across paracellular space - composed of claudins and occludins
26. Other than characteristic joints and subQ nodules - What are the other findings classicly in RA
Anti Smith
Wheal
Psoriatic arthritis - occurs is less than 1/3 of psoriasis pts
Ulnar deviation - subluxation - bakers cysts (behind knee)
27. What is the sensory def of an ulnar nerve injury
B27 - no RF - males
Inc alk phos - abnl bone architecture
Medial 1.5 fingers - hypothenar eminence
Vertebral crush fractures - femoral neck fractures - distal radius (Colles') fracture
28. heliotrope rash 'shawl and face' rash - Gotton's papules - 'mechanic's hands'
Scleroderma
Myosin
Dermatomyositis
MCL - ACL - lateral meniscus (esp in athletes)
29. What kind of nuclei do basal cell tumors have
Torn MCL
Musculocutaneous
Blow to the shoulder - trauma during delivery; limb hangs by side - medially rotated - forearm is pronated
Palisading
30. What are the lab findings in osteopetrosis
Bullous pemphigoid - linear immunofluorescence - eosinphils within blisters - similar to but less severed thatn pemphigus vulgaris - spares oral mucosa - negaitve nikolsky's sign
Hairy leukoplakia - HIV population - EBV mediated
ANA - sensitive but not specific
Nl - thickened dense bones
31. What is the Auspitz sign
In psoriasis - bleeding spots when scales are scraped off
Tear of the ACL
Phosphorylated
AP depol opens voltage gated Ca channels - inducing NT release
32. What causes total claw
Lesion to lower trunk of brachial plexus - loss of fxn of all lumbricals - forearm finger flexors - finger extensors are unopposed (radial nerve)
Myosin light chain phosphotase
3rd finger
Men and women > 70 - senile osteporosis
33. What kind of endocrine abnl are associated with McCune Albright
Flex the MCP joints and extend both the DIP and PIP joints
Hyperkeratosis
MCP - PIP - no DIP
Precocious puberty
34. interlacing trabeculae of woven bone surrounded by osteoblasts
Osteoid osteoma
Tear of the ACL
Interossei and adductor policis
Lesch - nyhan - PRPP excess - dec exretion of uric acid (thiazide) inc cell turnover - von Gierke's dz - 90% due to underexcretion - 10% to overproduction
35. What happens at the postsynaptic motor end plate
Ligand binding leads to muscle depol
Boutonniere - swan neck - zthumb
Increase in both osteoblast and osteoclast activity
The dermis
36. What nerve is compressed by supracondylar fracture of humerus
Peroneal everts and dorsiflexes - foot dropPED; tibial inverts and plantarflexes - can't stand on Tip toes
Median nerve
Axillary nerve
Median nerve - lunate bone
37. How is the lower trunk of the brachia plexus injured and what results from it
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
38. Depolarizaition causes what voltage sensitive receptor coupled to what other receptor to induce a conformational change In what structure - releasing what?
Calmodulin - complex activates myosin light chain kinase
Voltage sens - dihydropiridine R coupled to ryanodine recpetor - conformational change in the SR - releasing Ca2+
TB from dissemination and lyme dz
Torn MCL
39. What causes a lesion in the axillary nerve
Actinic keratosis
Fracture of surgical neck - dislocation of the humerus - intramuscular injections
Binds troponin C causing a conformational change leading to tropomyosin to move out of the way allowing for actin/myosin cycling
Nl - decreased bone mass
40. In which joints does pseudogout typically occur
S100 - associated with sunligh exposure - fair skinned at risk - depth of tumor correlates with risk of mets - dark with irregular borders
Embryologic - childbirth defect - cervical rib compression - atrophy of the thenar and hypothenar eminences - atrophy of interosseous muscles - sensory deficits of the medial side of the forearm and hand - disappearance of the radial pulse upon movin
Large goints (knee)
Condyloma acuminatum - caused by HPV
41. What does soft bones result from and What is the dz called in adults and children
Defective mineralization/calcification of osteoid - osteomalacia in adults and ricketts in kids
Interossei and adductor policis
Ulnar nerve - fracture of hook of hamate
< 2mc found in proximal tibia and femur - men < 25
42. What nerve is injured in a posterior hip dislocation or polio and What are the motor defs
Superior glut - thigh abduction - pos trendelenburg - hip drops when standing on the opposite foot (standing on the side of the lesion)
Spindle shaped cells with multinucleated giant cells
Conjunctivitis and anterior uveitis - urethritis and arthritis
Crust
43. larger osteoid osteoma found in vertebral column
Widespread skin involvment - rapid progression - early visceral involvement
Plaque
Osteoblastoma
Basal cell carcinoma - pearly papules - commonly with telangiectasias
44. subchondreal cysts - sclerosis - osteophytes - joint space narrowing - eburnation - hebereden's nodes (DIP) bouchard nodes (PIP) - characteristic findings of this dz
Dermatitis
Osteoid osteoma
Bullous pemphigoid - linear immunofluorescence - eosinphils within blisters - similar to but less severed thatn pemphigus vulgaris - spares oral mucosa - negaitve nikolsky's sign
Osteoarthritis
45. yellow when parallel and blue when perpendicular
Pemphigus vulgaris
Gout
Medial forearm and arm to just under the axilla
Giant cell tumor (osteoclastoma) - double bubble or soap bubble
46. What does MLCK do in smooth muscle contraction
Myasthenia gravis - autoAb against ACH receptors causing ptosis - diplopia - general weakness -
McCune - Albright syndrome
Phosphorylates myosin light chain which leads to cross bridge formation
Radial nerve
47. What supplies innervation to the thenar muscles
Thymoma
Recurrent branch of the median nerve
Pemphigus vulgaris
Men and women > 70 - senile osteporosis
48. What nerve is injured by a fracture of the epicondyle of humerus or repeated minor traumas
Ulnar nerve
NSAIDs (indomethacin) colchicine
Albinism
Opposition of thumb - dorsal/palmar 3.5 fingers sensory - ulnar deviation upon wrist flexion
49. warts on hands
Ankylosing spondylitis - uveitis - aortic regurg and bamboo spine
Verrucae vulgaris
Vit D def - dec Ca - inc PTH - dec serum phos - reversible when vit D is replaced
Supraspinatus - infraspinatus - teres minor - subscapularis - SItS
50. What do pseudogout crystals appear like microscopically
Degenerative injury due to repeated use - tiny tears in the tendons and muscles - may be inflammatory - lateral epicondyle is tennis - medial epicondyle is golf
Cellulitis - s aureus - s pyogenes
Psoriasis
Basophilic - rhomboid crystals - weakly birefringent