For people who use wheelchairs, bedsores often occur on skin over the following sites: Tailbone or buttocks Shoulder blades and spine Backs of arms and legs where they r

For people who use wheelchairs, bedsores often occur on skin over the following sites:
Tailbone or buttocks
Shoulder blades and spine
Backs of arms and legs where they rest against the chair
Which of the tissues found covering these areas lack blood vessels?
Epithelial
Connective
Muscle
Nervous
Constant pressure on any part of your body can lessen the blood flow to tissues. Blood flow is essential for delivering oxygen and other nutrients to tissues. Without these essential nutrients, skin and nearby tissues are damaged and might eventually die leading to a decubitus ulcer.
What type of tissue is blood?
Connective
Epithelial
Nervous
Muscle
An infection from a pressure sore can burrow into joints and bones. Joint infections (septic arthritis) can damage cartilage and spread through synovial fluid which lubricates the joint. Bone infections (osteomyelitis) can cause pain and reduce the function of limbs.
What type of tissue does osteomyelitis affect?
Epithelial
Nervous
Connective
Muscle