MSC-KNEE EXAM ACTUA UESTIONS AND ANSWERS

MSC-KNEE EXAM ACTUA UESTIONS AND ANSWERS

WITH CORRECT VERIFIED SOLUTIONS.

⩥ MCL and PCL do what together. Answer: work on medial side w/ minimal rotation

⩥ LCL and ACL do what together. Answer: work on lateral side to accommodate rollback

⩥ Passive Motion. Answer: Constrained by ligaments

-Someone else moves it

⩥ Active Motion. Answer: Driven by muscles (still constrained by ligaments)

⩥ 3 Arcs of Motion. Answer: 1. Screw Home Arc

• Functional Arc
• Deep Flexion Arc

⩥ Screw home arc. Answer: Between 10' and -5' of full extension;

Knee is passively locked in position.

PASSIVE

⩥ Functional Arc. Answer: Affords the greatest range of motion between 10' and approximately 120' of flexion

ACTIVE

⩥ Deep Flexion Arc. Answer: Flex 150-160

Tibia internally rotates and femur translates posteriorly:

PASSIVE

⩥ Functional Axes of Knee. Answer: Flexion/ Extension 1 / 2

Internal/ External Rotation

⩥ KNEE IS NOT A HINGE. Answer: Its a complex joint

⩥ Arthritis definition and symptoms. Answer: -An inflammation of a joint or joints --swelling, pain, Decrease ROM

⩥ Osteoarthritis (OA). Answer: Degenerative disease/ wear n tear

--Uniilateral --Cartilage b/w bones breakdown

⩥ Rhuematoid arthritis (RA). Answer: Autoimmune Disorder

-Chronic inflammation --Bilateral

⩥ RA attack system. Answer: RA causes WBC to attack synovium > Synovium adds new cells > Influx of cells causes synovium to thicken and be uneven (PANNUS FORMATION)

⩥ Pannus Formation. Answer: -huge RA indicator-

Synovium thickens and new abnormal granulation tissue, pannus forms over bone ends

⩥ Hyaluranic Acid. Answer: Makes synovial fluid thick and slippery

-Can be injected

⩥ RA pharma. management. Answer: NSAIDS, DMARDs

⩥ RA surgical management. Answer: Total joint Replacement

⩥ Osteophyte. Answer: bone spur

-@ margins of joints and subchondral

• / 2