BIO112 ECPI - Questions With Complete Solutions
Teeth are attached to their sockets via this type of fibrous joint Right Ans -
gomphosis
Intervertebral discs of the spinal column are this type of cartilaginous joint
Right Ans - symphysis
Joints that are considered freely moveable Right Ans - diarthrotic
Joints that are considered immovable Right Ans - synarthrotic
Coxal bone articulation with the femur is an example of this type of synovial
joint Right Ans - ball-and-socket
The elbow is an example of this type of synovial joint Right Ans - hinge
Joints that are considered slightly moveable Right Ans - amphiarthrotic
Major type of synovial joint between carpal bones Right Ans - plane/
gliding
Major function of bone Right Ans - protect internal organs
Type of fibrous joint between most of the flat bone of the skull (frontal and
parietal) Right Ans - suture
Movement of body parts at a joint so that the angle between them decreases
Right Ans - flexion
Movement of the body part towards the midline Right Ans - adduction
Word segment that mean "flesh" Right Ans - myo-
Thick filament in the myofibrils of muscle fibers Right Ans - myosin
Connective tissue layer that immediately surrounds fascicles Right Ans -
perimysium
, Connective tissue structure that anchors whole muscle into bone Right Ans
- tendon
Functional units of myofibrils that extend from Z-disc to the next Z-disc
Right Ans - sarcomere
organelle in muscle cells that stores and releases Ca2+ Right Ans -
sarcoplasmic reticulum
neurotransmitter that stimulates skeletal muscle contraction Right Ans -
acetylcholine
sarcolemma invagination that helps internalize the muscle impulse Right
Ans - t-tubule
regulatory protein on actin filaments that acts as the Ca2+ sensor Right Ans
- troponin
enzyme in the synaptic cleft of the neuromuscular junction that initiates
skeletal muscle relaxation Right Ans - acetylcholinesterase
substance that acts as a phosphate handoff molecule to rapidly regenerate atp
in muscles Right Ans - creatine phosphate
minimal strength of stimulus needed to cause a muscle contraction Right
Ans - thresold
regulatory proteins on actin filaments that blocks the myosin head from
binding to actin Right Ans - tropomyosin
muscle cannot be stimulated to contract during this time period because its
already contracting maximally Right Ans - refractory
structure containing many gap junctions that links one cardiac muscle cell to
the next, and can only be found in the heart Right Ans - intercalated disc
the light band consisting of actin only Right Ans - I-band
the dark band that occurs whenever myosin exists Right Ans - A-band
Teeth are attached to their sockets via this type of fibrous joint Right Ans -
gomphosis
Intervertebral discs of the spinal column are this type of cartilaginous joint
Right Ans - symphysis
Joints that are considered freely moveable Right Ans - diarthrotic
Joints that are considered immovable Right Ans - synarthrotic
Coxal bone articulation with the femur is an example of this type of synovial
joint Right Ans - ball-and-socket
The elbow is an example of this type of synovial joint Right Ans - hinge
Joints that are considered slightly moveable Right Ans - amphiarthrotic
Major type of synovial joint between carpal bones Right Ans - plane/
gliding
Major function of bone Right Ans - protect internal organs
Type of fibrous joint between most of the flat bone of the skull (frontal and
parietal) Right Ans - suture
Movement of body parts at a joint so that the angle between them decreases
Right Ans - flexion
Movement of the body part towards the midline Right Ans - adduction
Word segment that mean "flesh" Right Ans - myo-
Thick filament in the myofibrils of muscle fibers Right Ans - myosin
Connective tissue layer that immediately surrounds fascicles Right Ans -
perimysium
, Connective tissue structure that anchors whole muscle into bone Right Ans
- tendon
Functional units of myofibrils that extend from Z-disc to the next Z-disc
Right Ans - sarcomere
organelle in muscle cells that stores and releases Ca2+ Right Ans -
sarcoplasmic reticulum
neurotransmitter that stimulates skeletal muscle contraction Right Ans -
acetylcholine
sarcolemma invagination that helps internalize the muscle impulse Right
Ans - t-tubule
regulatory protein on actin filaments that acts as the Ca2+ sensor Right Ans
- troponin
enzyme in the synaptic cleft of the neuromuscular junction that initiates
skeletal muscle relaxation Right Ans - acetylcholinesterase
substance that acts as a phosphate handoff molecule to rapidly regenerate atp
in muscles Right Ans - creatine phosphate
minimal strength of stimulus needed to cause a muscle contraction Right
Ans - thresold
regulatory proteins on actin filaments that blocks the myosin head from
binding to actin Right Ans - tropomyosin
muscle cannot be stimulated to contract during this time period because its
already contracting maximally Right Ans - refractory
structure containing many gap junctions that links one cardiac muscle cell to
the next, and can only be found in the heart Right Ans - intercalated disc
the light band consisting of actin only Right Ans - I-band
the dark band that occurs whenever myosin exists Right Ans - A-band
