How are human cadavers procured for medical students?
Body donation programs
What are the three main types of joints in the body?
Fibrous, Cartilaginous, Synovial
What is the fluid in the cavity of the synovial joint called
synovial fluid
what is osteoarthritis and rheumatoid arthritis
autoimmune condition that attacks the synovial joints
osteoarthritis --> articular cartilage wears down overtime
Give one pro and one con of using human cadavers vs computer simulations
example answers:
pros
- experience the uniqueness of each body
- Understanding through experience
- Real
cons
- ethical issues
- time consuming
- may be distressing for some students
Give 2 examples of Synovial Joints
hinge, ball and socket, pivot, saddle, condyloid, plane
What is special about bone that makes it diff to other connective tissue?
Mineralised ECM (calcium and phosphorus)
Name 2 ways to differentiate between osteoarthritis and rheumatoid arthritis?
Symptom wise:
Osteoarthritis → stiffness is 30min <
Rheumatoid → stiffness is 1hr >
Location:
Both osteoarthritis and rheumatoid arthritis can affect the hands.
Osteoarthritis → join closests to tip of the finger
Rheumatoid → unlikely to target this joint (common in hand wrist and feet)
What typically happens to cadavers once we have finished using them?
They are typically cremated
Which synovial joint has the largest range of motion
ball and socket
What cartilage is the articular (hyaline, elastic, fibro)
hyaline
What is the prevalence of osteoarthritis and rheumatoid arthritis (% or absolute)?
Osteoarthritis (around 2.1 million (8.3%) people in Australia in 2022)
Rheumatoid arthritis (a.k.a RA Around 514,000 (2.0%) people in Australia in 2022)
Name 2 eligibility criteria for body donation
example answers
- Age (must be over 18)
- Geographic restrictions
- Medical conditions - no infectious diseases like HIV, hepatitis, TB
- Consent
Demonstrate any form of joint movement and explain which joints are utilised
:)
What is are two roles of the synovial fluid
lubricates the cartilage for movement
provides nutrients (diffusion)
List all criteria of the MSK systems review questions (hint there are 9 + 1)?
Pain
Swelling
Deformity
Loss of function
Loss of motion
Instability
Weakness
Changes in sensation
Stiffness (morning and general stiffness)
Systemic features e.g., fever, weight loss, fatigue, etc.
Approximately how many people in Australia donate their bodies to science each year?
fewer than 2000
Label the synovial joint