Quiz 4 Flashcards
(10 cards)
The epiphyseal plate of long bones is composed of hyaline cartilage and is the point of growth of the bone. Damage to this plate before full ossification can result in permanent damage to future growth of the long bone. T/F?
true
The purpose of the intercalated disk of cardiac tissue is
A connection between cardiac muscle cells that is of low electrical resistance allowing for the transmission of nerve impulses from one cell to the next
The sarcotubular system is embedded within the myofibril and contains ACh for the depolarization of the muscle fiber. T/F?
false
What is the correct order of the fibrous attachments from the level of the muscle fiber to the bone.
sarcolemma, endomysium, perimysium, epimysium, tendon
What is true about bone cells?
Osteoclasts are bone-resorbing monocytes that are large, motile, and are involved in bone remodeling through removal of old bone to allow new bone formation by osteoblasts
Which electrolyte is most important for the contraction of skeletal muscle?
calcium
Synoviocytes produce synovial fluid which lubricates and provides nutrients to the articular cartilage. T/F?
True
A herniated intervertebral disk occurs when the nucleus pulposus ruptures through the annulus fibrosis. T/F?
True
Which type of ossification is responsible for long bone growth?
endochondral ossification
Within long bones, the spongy bone has trabeculae that contains the bone marrow as well as providing scaffolding to add strength to the bone. T/F?
True.