NSCA-CSCS Exam Prep; Questions & Answers
100% Solved
The pelvis is located _______________ to the patella. Answer-superior
Which of the following is the smallest contractile unit of skeletal muscle?
myosin
epimysium
sarcolemma
sarcomere Answer-sarcomere
Which of the following describes Ty...
NSCA-CSCS Exam Prep; Questions & Answers
100% Solved
The pelvis is located _______________ to the patella. Answer-superior
Which of the following is the smallest contractile unit of skeletal muscle?
myosin
epimysium
sarcolemma
sarcomere Answer-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 Answer-fatigue resistant with high aerobic energy supply
Which of the following describes the flow of blood? Answer-right atrium, right ventricle,
lungs, left atrium, left ventricle, body
On average, how many times per minute does the SA node discharge at rest? Answer-60-
80
, NSCA-CSCS Exam Prep; Questions & Answers
100% Solved
Which of the following are the two main divisions of the skeletal system? Answer-
appendicular and axial
Some of the highest bone mineral densities have been seen in which of the following types of
athletes? Answer-gymnasts
What joint comprises the ankle and wrist joints? Answer-biaxial
Which of the following is the order of the phases of a muscle contraction? Answer-
resting, excitation-contraction coupling, contraction, recharge, relaxation
The chronotropic effect is caused by stimulation of the _______________ nervous system and
causes the heart rate to _______________. Answer-sympathetic; increase
Which of the following substances regulates muscle actions? Answer-Calcium
Which of the following substances acts as the neuromuscular junction to excite the muscle
fibers of a motor unit? Answer-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? Answer-Muscle Spindle
From which of the following is the heart's electrical impulse normally initiated? Answer-
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 Answer-Depolarization of the Atrium
Repolarization of the Ventricle
The Krebs cycle occurs in which portion of the cell? Answer-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. Answer-The
concentrations of reactants or products will drive the direction of the reactions.
, NSCA-CSCS Exam Prep; Questions & Answers
100% Solved
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? Answer-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? Answer-phosphagen
and oxidative
Which of the following describes the portion of the total energy cost of exercise that must be
supplied through anaerobic mechanisms due to the slow response of the aerobic system to the
initial increase in the demand for energy?
oxygen deficit
EPOC
oxygen debt
recovery O2 Answer-oxygen deficit
The excess postexercise oxygen consumption experienced by athletes is caused by all of the
following EXCEPT
decreases in body temperature
increased protein turnover
ATP-CP resynthesis
changes in energy efficiency during recovery Answer-decreases in body temperature
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