At home exam 3 Flashcards
What structure in skeletal muscle cells functions in calcium storage?
Sarcoplasmic Reticulum
Myoglobin…
Stoes oxygen in muscle cells
The amount of movement permitted by a particular joint is the basis for functional classification
True
A contraction in which the muscle does not shorten its tension increases is called isometric
True
What is the main factor that determines the power of the muscle
The total number of muscle fibers available for contraction
The contractile units of skeletal muscles are
myofibrils
Which of these is NOT a way of classifying muscles?
The type of muscle fiber
What part of the Sarcolemma contained acetylcholine receptors?
Motor end plate
Joint (articular cavity)
B
Periosteum
A
Synovial fluid is present in joint cavities of freely moveable joints. Which of the following states is true about this fluid
It contains hyaluronic acid
Connective tissue sacs lined with synovial membranes that act as cushions in places where free are called
bursae
Synovial membrane
E
Meningitis can be caused by infection of the central nervous system by bacteria. Which cells would be most responsible for removing the infection
Microglia
Articular Cartilage
C
Pointing toes is an example of
Plantar Flexion
In an isotonic contraction the muscle
Changes in length and moves the “load”
What class of joint consists of bone ends held together by collagenous tissue
Fibrous
What is a diarthritic joint
Synovial
Muscle that opposes and reverse the action of another muscle
Antagonist
Muscle that is primarily responsible for bringing about a particular movement
Agonist
Muscle that aids another by promoting the same movement
Synergist
Muscle that stabilizes the origin of another muscle
Fixator
Bones are connected exclusively by ligaments
Syndesmosis
Bones united by fibrocrartilage
Symphysis