PATHOLOGY

PATHOLOGY MCQ

HEALING AND REPAIR

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Scar tissue is as strong as uninjured tissue
A
true
B
false
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Because of the chaotic ways that the fibers are forming and the cross-tension pulls that scar tissue causes, it is not as strong as normal tissue and is more likely to tear and cause a problem.

Detailed explanation-2: -Scar tissue is weak, which makes it prone to re-injury. Scar tissue also is more sensitive to pain because it has more pain receptors than the original tissues, and it contracts (tightens up) when you sleep.

Detailed explanation-3: -Collagen builds up where the tissue is damaged, helping to heal and strengthen the wound. New collagen continues forming for several months and the blood supply increases, causing the scar to become raised and lumpy.

Detailed explanation-4: -The scar tissue is weaker, larger and creeps more than normal ligament and is associated with an increased amount of minor collagens (types III, V and VI), decreased collagen cross-links and an increased amount of glycosaminoglycans. Studies have shown that certain surgical variables alter the healing of ligaments.

There is 1 question to complete.