MGRADES
IB SEHS Exam Review UPDATED Exam
Questions and CORRECT Answers
What type of muscle contraction involves no change in the muscle length - CORRECT
ANSWER - Isometric
Movement that increases the angle between articulating elements opening the joint - CORRECT
ANSWER - extension
making circular movements - CORRECT ANSWER - circumduction
muscle that works opposite to return the joint to its original position - CORRECT
ANSWER - antagonist
pain and stiffness felt in muscles the next day after working out is caused from - CORRECT
ANSWER - tearing of muscle fibers
which of the following treatment method would be best for DOMS - CORRECT
ANSWER - foam roller
which type of muscle contraction type is rare in sport - CORRECT ANSWER - isokinetic
refers to muscle action in which the muscle force yields to the imposed load - CORRECT
ANSWER - eccentric
which describes the movement of depression - CORRECT ANSWER - movement at a
joint in an inferior direction
what is the opposite of supination - CORRECT ANSWER - pronation
, MGRADES
wrist going down is an example of what type of movement - CORRECT ANSWER -
flexion
arm coming down next to body is what type of movement - CORRECT ANSWER -
adduction
feet inverted to the left - CORRECT ANSWER - eversion
foot inverted to the right - CORRECT ANSWER - inversion
what pulls the actin filaments inwards to shorten a muscle - CORRECT ANSWER -
myosin
which part of the motor neuron is nearest to the muscle fibre it stimulates - CORRECT
ANSWER - motor end plate
an action potential travels through the muscle fibers down the t-tubules, and stimulates the
sarcoplasmic reticulum to release what - CORRECT ANSWER - calcium
shortening/lengthening of sarcomere. Z lines move closer, I Band, H Zone decrease - CORRECT
ANSWER - contraction
attached to the myosin heads are a chemical called ___ that allows for the head to bend -
CORRECT ANSWER - ATP
the neurotransmitters in the vesicle of the motor end plate that creates a "bridge" between the
neuron and the muscle fiber (across the synapse) the chemical that initiates a muscle contraction
opens channels in the t-tubules - CORRECT ANSWER - acetylcholine
carries message from the central nervous system to the muscle fiber - CORRECT
ANSWER - axon
IB SEHS Exam Review UPDATED Exam
Questions and CORRECT Answers
What type of muscle contraction involves no change in the muscle length - CORRECT
ANSWER - Isometric
Movement that increases the angle between articulating elements opening the joint - CORRECT
ANSWER - extension
making circular movements - CORRECT ANSWER - circumduction
muscle that works opposite to return the joint to its original position - CORRECT
ANSWER - antagonist
pain and stiffness felt in muscles the next day after working out is caused from - CORRECT
ANSWER - tearing of muscle fibers
which of the following treatment method would be best for DOMS - CORRECT
ANSWER - foam roller
which type of muscle contraction type is rare in sport - CORRECT ANSWER - isokinetic
refers to muscle action in which the muscle force yields to the imposed load - CORRECT
ANSWER - eccentric
which describes the movement of depression - CORRECT ANSWER - movement at a
joint in an inferior direction
what is the opposite of supination - CORRECT ANSWER - pronation
, MGRADES
wrist going down is an example of what type of movement - CORRECT ANSWER -
flexion
arm coming down next to body is what type of movement - CORRECT ANSWER -
adduction
feet inverted to the left - CORRECT ANSWER - eversion
foot inverted to the right - CORRECT ANSWER - inversion
what pulls the actin filaments inwards to shorten a muscle - CORRECT ANSWER -
myosin
which part of the motor neuron is nearest to the muscle fibre it stimulates - CORRECT
ANSWER - motor end plate
an action potential travels through the muscle fibers down the t-tubules, and stimulates the
sarcoplasmic reticulum to release what - CORRECT ANSWER - calcium
shortening/lengthening of sarcomere. Z lines move closer, I Band, H Zone decrease - CORRECT
ANSWER - contraction
attached to the myosin heads are a chemical called ___ that allows for the head to bend -
CORRECT ANSWER - ATP
the neurotransmitters in the vesicle of the motor end plate that creates a "bridge" between the
neuron and the muscle fiber (across the synapse) the chemical that initiates a muscle contraction
opens channels in the t-tubules - CORRECT ANSWER - acetylcholine
carries message from the central nervous system to the muscle fiber - CORRECT
ANSWER - axon
