Exam (elaborations)
IB SEHS Exam Review Questions with Correct Answers
- Course
- Institution
IB SEHS Exam Review Questions with Correct Answers
[Show more]
Seller
Follow
Victorious23
Reviews received
Content preview
IB SEHS Exam Review Questionswith Correct Answers
What type of muscle contraction involves no change in the muscle length - -
Isometric
-Movement that increases the angle between articulating elements opening
the joint - -extension
-making circular movements - -circumduction
-muscle that works opposite to return the joint to its original position - -
antagonist
-pain and stiffness felt in muscles the next day after working out is caused
from - -tearing of muscle fibers
-which of the following treatment method would be best for DOMS - -foam
roller
-which type of muscle contraction type is rare in sport - -isokinetic
-refers to muscle action in which the muscle force yields to the imposed load
- -eccentric
-which describes the movement of depression - -movement at a joint in an
inferior direction
-what is the opposite of supination - -pronation
-wrist going down is an example of what type of movement - -flexion
-arm coming down next to body is what type of movement - -adduction
-feet inverted to the left - -eversion
-foot inverted to the right - -inversion
-what pulls the actin filaments inwards to shorten a muscle - -myosin
-which part of the motor neuron is nearest to the muscle fibre it stimulates -
-motor end plate
, -an action potential travels through the muscle fibers down the t-tubules,
and stimulates the sarcoplasmic reticulum to release what - -calcium
-shortening/lengthening of sarcomere. Z lines move closer, I Band, H Zone
decrease - -contraction
-attached to the myosin heads are a chemical called ___ that allows for the
head to bend - -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 -
-acetylcholine
-carries message from the central nervous system to the muscle fiber - -
axon
-the area where there is both actin/myosin - -A Band
-due to high concentrations of calcium, Ca+ binds to _____ and causes a shift
of tropomyosin which prevents the blocking action of tropomyosin - -
Troponin
-baseball and tennis would rely mostly on this type of muscle fiber - -fast
twitch
-which type of muscle fibers are considered slow twitch fibers - -I
-which sport would benefit from the activity in training of short sprints with a
break for 20-30 seconds over and over for an hour - -football
-volume of air breathed in and out in any one breath - -tidal volume
-volume of air in excess of tidal volume that can be exhaled forcibly - -
expiratory reserve volume
-inflow and outflow of air between the atmosphere and lungs - -pulmonary
ventilation
-additional inspired air over and above tidal volume - -inspiratory reserve
volume
-The volume of air in the lungs after a maximal inhalation - -total lung
capacity
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Victorious23. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $8.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
82871 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now