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WorksheetsMuscle Anatomy and Physiology Quiz
Total questions: 15
Worksheet time: 8mins
The term diarthrosis refers to a joint that is
Immovable
Dislocated
Slightly moveable
Fused
Freely movable
In a sarcomere, the central portion of thick filaments are linked laterally by proteins of the
M line
H band
A band
Z line
I band
The skeletal muscle complex known as the triad consists of
A bands, H bands, and I bands
Actin, myosin, and sarcomeres
Actin, myosin, and titin
Filaments, myofibrils, and sarcomeres
A T tubule and two terminal cisternae
Each skeletal muscle fiber is controlled by a motor neuron at a single
Transverse tubule
Sarcomere
Synaptic cleft
Synaptic knob
Neuromuscular junction
Which of the following statements about excitation–contraction coupling is incorrect?
Tropomyosin moves to expose myosin binding sites
Relaxation requires uptake of Ca²⁺ into SR
Ca²⁺ is released from SR
Troponin binds Ca²⁺
Ca²⁺ travels through the transverse tubule
The sternocleidomastoid inserts on the
Clavicle
Occipital bone
Mastoid process
Sternum
Mandible
The end of the muscle attached to the point that moves is the
Insertion
Origin
Lever
Tendon
Aponeurosis
Muscles on the posterior forearm ______ the wrist and fingers.
Abduct
Flex
Adduct
Pronate
Extend
The four prominent muscles on the anterior thigh are the ______ group.
Gluteal
Adductor
Rhomboid
Hamstring
Quadriceps femoris
Which muscle tissue is voluntary?
Smooth
Cardiac
Skeletal
Visceral
None
Which property describes a muscle’s ability to return to resting length?
Contractility
Extensibility
Excitability
Elasticity
Stiffness
Which connective tissue surrounds the entire muscle?
Endomysium
Epimysium
Sarcolemma
Sarcoplasm
Perimysium
Fascicles are surrounded by
Endomysium
Perimysium
Epimysium
Myosatellite
Sarcolemma
The sarcolemma is the
Muscle nucleus
Mitochondrial region
Cell membrane of a muscle fiber
Myosin sheath
A band boundary
T tubules function to
Store Ca²⁺
Synthesize ATP
Carry action potentials deep into the fiber
Stabilize thin filaments
Form triads alone
