CSCS Exam Practice Questions
Questions in this set (336)
Which of the following describes all B
motor units?
A) Contains the same type of muscle fibers
B)Contains the same size of motor neurons
C) Contains about the same number
of muscle fibers
D) Can adjust their force production based
on the size of the action potential
Which of the following layers is the MOST C
superficial?
A) Perimysium
B) Endomysium
C) Epimysium
D) Fasciculus
Which of the following is the smallest B
functional unit of a muscle?
A) Myofibril
B) Sarcomere
C) Myofilament
D)Actomyosin complex
,Which of the following is the form of D
chemical energy stored in the body that is
the most IMMEDIATELY available for a
muscle action?
A) Muscle glycogen
B) Blood glucose
C) Creatine Phosphate
D)Adenosine Triphosphate
Which of the following types of muscle A
fibers generate the GREATEST amount of
force?
A) Fast-twitch glycolytic
B)Slow-twitch oxidative
C) Fast-twitch glycolytic oxidative
D)Transitional or undifferentiated
A muscle's stability to sustain maximal A
force production without undue fatigue is
primarily dependent on which of the
following factors?
A) Ability to replenish adenosine
triphosphate
B)Amount of actomyosin binding
C) Ratio of Type IIa to Type IIc muscle
fibers in a motor unit
D) Motor unit firing frequency
As compared to a muscle whose fibers are C
not pennated, all of the following are
affected by a muscle with pennated fibers
EXCEPT:
A) Contraction speed
B) Power production
C) Creatine content
D) Force capacity
Which of the following is an adaption to D
aerobic endurance training?
A) Submax heart rate increases
B)Resting VO2 increases
C) Submax ventilation rate increases
D) Resting vital capacity increases
Performing a resistance training workout C
causes which of the following changes
in blood pressure or peripheral resistance
that does NOT occur during an aerobic
exercise workout?
A) Systolic blood pressure increases
B) Mean blood pressure increases
C) Diastolic blood pressure increases
D) Peripheral resistance decreases
, Which of the following is the C
primary transport mechanism of
oxygen in the blood?
A) Myosin
B) Plasma
C) Hemoglobin
D) Bicarbonate
Which of the following physiological A
adaptations occur in response to a
resistance training program?
1-Increased motor unit recruitment
2-Enhanced mitochondrial density
3-Increased number of Type II muscles
4-Enhanced motor unit synchronization
A) 1 and 4 only
B)2 and 3 only
C) 1, 2 and 4 only
D) 1, 3 and 4 only
Which of the following structures, when C
activated, reduces a muscle's ability to
create force?
A) Muscle spindles
B)Intrafusal fibers
C) Golgi Tendon Organs
D) Gamma afferent fibers
Which of the following types of training B
elicits the greatest increase in the size and
the number of mitochrondria in a skeletal
muscle fiber?
A) Olympic lifting
B)Fartlek running
C) Plyometric training
D) Plyometric resistance training
Which of the following athletics positions C
theoretically requires the highest
percentage of Type I muscle fibers for
optimal performance?
A) Olympic weightlifter
B)American football wide receiver
C) Basketball point guard
D)American football lineman
Which of the following best describes the B
shift in muscle fiber type due to
exercise training?
A) Type I to Type IIa
B)Type IIb to Type IIa
C) Type IIa to Type I
D)Type IIa to Type IIb
Questions in this set (336)
Which of the following describes all B
motor units?
A) Contains the same type of muscle fibers
B)Contains the same size of motor neurons
C) Contains about the same number
of muscle fibers
D) Can adjust their force production based
on the size of the action potential
Which of the following layers is the MOST C
superficial?
A) Perimysium
B) Endomysium
C) Epimysium
D) Fasciculus
Which of the following is the smallest B
functional unit of a muscle?
A) Myofibril
B) Sarcomere
C) Myofilament
D)Actomyosin complex
,Which of the following is the form of D
chemical energy stored in the body that is
the most IMMEDIATELY available for a
muscle action?
A) Muscle glycogen
B) Blood glucose
C) Creatine Phosphate
D)Adenosine Triphosphate
Which of the following types of muscle A
fibers generate the GREATEST amount of
force?
A) Fast-twitch glycolytic
B)Slow-twitch oxidative
C) Fast-twitch glycolytic oxidative
D)Transitional or undifferentiated
A muscle's stability to sustain maximal A
force production without undue fatigue is
primarily dependent on which of the
following factors?
A) Ability to replenish adenosine
triphosphate
B)Amount of actomyosin binding
C) Ratio of Type IIa to Type IIc muscle
fibers in a motor unit
D) Motor unit firing frequency
As compared to a muscle whose fibers are C
not pennated, all of the following are
affected by a muscle with pennated fibers
EXCEPT:
A) Contraction speed
B) Power production
C) Creatine content
D) Force capacity
Which of the following is an adaption to D
aerobic endurance training?
A) Submax heart rate increases
B)Resting VO2 increases
C) Submax ventilation rate increases
D) Resting vital capacity increases
Performing a resistance training workout C
causes which of the following changes
in blood pressure or peripheral resistance
that does NOT occur during an aerobic
exercise workout?
A) Systolic blood pressure increases
B) Mean blood pressure increases
C) Diastolic blood pressure increases
D) Peripheral resistance decreases
, Which of the following is the C
primary transport mechanism of
oxygen in the blood?
A) Myosin
B) Plasma
C) Hemoglobin
D) Bicarbonate
Which of the following physiological A
adaptations occur in response to a
resistance training program?
1-Increased motor unit recruitment
2-Enhanced mitochondrial density
3-Increased number of Type II muscles
4-Enhanced motor unit synchronization
A) 1 and 4 only
B)2 and 3 only
C) 1, 2 and 4 only
D) 1, 3 and 4 only
Which of the following structures, when C
activated, reduces a muscle's ability to
create force?
A) Muscle spindles
B)Intrafusal fibers
C) Golgi Tendon Organs
D) Gamma afferent fibers
Which of the following types of training B
elicits the greatest increase in the size and
the number of mitochrondria in a skeletal
muscle fiber?
A) Olympic lifting
B)Fartlek running
C) Plyometric training
D) Plyometric resistance training
Which of the following athletics positions C
theoretically requires the highest
percentage of Type I muscle fibers for
optimal performance?
A) Olympic weightlifter
B)American football wide receiver
C) Basketball point guard
D)American football lineman
Which of the following best describes the B
shift in muscle fiber type due to
exercise training?
A) Type I to Type IIa
B)Type IIb to Type IIa
C) Type IIa to Type I
D)Type IIa to Type IIb
