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NSCA-CSCS EXAM 2024| 135 ACTUAL EXAM QUESTION WITH 100% CORRECT ANSWERS| RATED A+
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NSCA-CSCS EXAM 2024| 135 ACTUAL EXAM QUESTIONWITH 100% CORRECT ANSWERS| RATED A+
The pelvis is located to the
patella. - RIGHT ANS>>> superior
Which of the following is the smallest contractile unit
of skeletal muscle?
myosin
epimysium
sarcolemma
sarcomere - RIGHT ANS>>> sarcomere
Which of the following describes Type I muscle
fibers?
rapid force development capabilities
fatigue resistant with high aerobic energy supply
inefficient and easily fatigable
high myosin ATPase activity - RIGHT ANS>>>
fatigueresistant with high aerobic energy supply
Which of the following describes the flow of blood? -
RIGHT ANS>>> right atrium, right ventricle, lungs,
left atrium, left ventricle, body
On average, how many times per minute does the
SA node discharge at rest? - RIGHT ANS>>> 60-80
,Which of the following are the two main divisions of
the skeletal system? - RIGHT ANS>>>
appendicular and axial
Some of the highest bone mineral densities have
been seen in which of the following types of
athletes? - RIGHT ANS>>> gymnasts
What joint comprises the ankle and wrist joints? -
RIGHT ANS>>> biaxial
Which of the following is the order of the phases of a
muscle contraction? - RIGHT ANS>>> resting,
excitation- contraction coupling, contraction,
recharge, relaxation
The chronotropic effect is caused by stimulation of
the nervous system and causes
the heart rate to .-
RIGHT ANS>>> sympathetic; increase
Which of the following substances regulates muscle
actions? - RIGHT ANS>>> Calcium
,Which of the following substances acts as the
neuromuscular junction to excite the muscle fibers of
a motor unit? - RIGHT ANS>>> Acetylcholine
When throwing a baseball, an athlete's arm is rapidly
stretched just before throwing the ball. Which of the
following structures detects and responds to that
stretch by reflexively increasing muscle activity? -
RIGHT ANS>>> Muscle Spindle
From which of the following is the heart's electrical
impulse normally initiated? - RIGHT ANS>>> SA
node
Which of the following occurs during the QRS
complex of a typical ECG?
Depolarization of the Atrium
Repolarization of the Atrium
Repolarization of the Ventricle
Depolarization of the Ventricle -
RIGHT ANS>>> Depolarization of the
AtriumRepolarization of the Ventricle
The Krebs cycle occurs in which portion of the cell? -
RIGHT ANS>>> mitochondria
, The law of mass action states which of the
following?
The rate of product formation is greatly influenced by
the concentrations of the reactants.
The concentrations of reactants or products will drive
the direction of the reactions.
A stronger action potential cannot produce a
stronger contraction.
The weight or mass of an object creates a stronger
action potential. - RIGHT ANS>>> The
concentrations of reactants or products will drive
the direction of the reactions.
An aerobic endurance athlete is trying to give
himself a competitive edge over his opponents. To
improve his lactate threshold, what type of training
should he engage in, and in what direction would
this shift his threshold? - RIGHT ANS>>> high
intensity; shifts to the right
Two athletes are competing in upcoming
competitions, a weightlifting meet and a marathon.
Which energy systems will each be primarily using,
respectively? - RIGHT ANS>>> phosphagen and
oxidative
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