Which musculoskeletal disorder is caused by the overextension of muscles or tendons, causing the tearing of small vessels and nerve irritation?
Fasciitis
Strain
Bursitis
Tendonitis
The Correct Answer is B
A strain is an injury to a muscle or a tendon that occurs when it is stretched or torn beyond its normal range of motion. Strains can result from overextension of muscles or tendons, such as lifting a heavy object, twisting or bending awkwardly, or performing repetitive motions. Strains can cause bleeding and swelling in the affected area, as well as pain and reduced function.
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Related Questions
Correct Answer is C
Explanation
Marfan syndrome is a genetic disorder that affects the connective tissue, causing problems with the heart, blood vessels, eyes, bones, and joints. It is caused by a mutation in the FBN1 gene, which encodes for a protein called fibrillin-1. Marfan syndrome follows an autosomal dominant pattern of inheritance, which means that only one copy of the mutated gene is needed to cause the disorder. A person with Marfan syndrome has a 50% chance of passing on the mutated gene to each child, regardless of the gender of the parent or the child.
Correct Answer is B
Explanation
Partial-thickness burns are also known as second-degree burns. They involve damage to both the epidermis (the outer layer of skin) and part of the dermis (the inner layer of skin). They cause redness, swelling, pain, and blisters. Blisters are fluid-filled sacs that form as a result of damage to the skin cells and blood vessels.
They help to protect the underlying tissues from infection and further injury.
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