CSCS Exam Practice Questions and
Answers
Each muscle fiber is surrounded be a connective tissue called?
a)Fasiciculi
b)Perimysium
c)Endomysium
d)Epimysium - ANS-c)Endomysium
What is released from the SR into the Myofibril, causing tension development in a
muscle?
a)Ca+ ions that bind to troponin
b)Ca+ ions that bind to tropomyosin
c)sodium ions that bind to troponin
d)sodium ions that bind to tropomyosin - ANS-a) Ca+ ions that bind to troponin
What type of muscular contraction occurs in the pec major during the slow, controlled,
downward phase of the bench press?
a)concentric
b)isometric
c)myoconcentric
d) eccentric - ANS-d)eccentric
What is the thick structural protein inside the sarcomere?
a)actin
b)myosin
c)sarcoplasm
d)sarcolemma - ANS-b)myosin
A muscle fiber that is small in diameter has a slow contraction speed, and high capillary
density would be classified as?
a)type I
b)type IIa
c)type IIb
d) type IIc - ANS-a)type I
,Through which of the following valves does blood flow after contraction of the right
atrium?
a)aortic
b)pulmonary
c)mitral
d)tricuspid - ANS-d)tricuspid
During a typical ECG atrial depolarization is represented by?
a)P-wave
b)QRS complex
c)T-wave
d)U-wave - ANS-a)P-wave
While reading an ECG, electrical potential that depolarizes the ventricles is represented
by?
a)P-wave
b)QRS complex
c)T-wave
d)U-wave - ANS-b)QRS complex
What blood vessel functions to exchange O2, fluid, nutrients, electrolytes, hormones,
and other substances between the blood and the interstitial fluid in the various tissues of
the body?
a)arteries
b)capillaries
c)veins
d)venues - ANS-b)capillaries
Where are normal rhythmic electrical impulses initiated in the heart?
a)sinoartiral (SA) node
b)atrioventricular (AV) bundle
c)Purkinje fibers
d)atrioventricular (AV) node - ANS-a)sinoratrial (SA) node
When performing a biceps curl, tension in the biceps muscle increases. Which of the
following structures detects and responds to the tension by reflexively reducing muscle
activation?
a) golgi tendon organ (GTO)
b) muscle spindle
c)pacinian corpuscle
,d) lamellar organ - ANS-a) Golgi tendon organ (GTO)
An athlete training for a marathon would benefit from having a high concentration of
which muscle fiber type?
a)type I
b)type IIa
c)type IIb
d)type III - ANS-a)type I
A college football player decides to add 30 min. of intense stationary cycling every other
day to his current training program. Which of the following best describes the effect the
stationary cycling will have on his performance?
a)no effect on strength gains
b)strength gains enhanced
c)strength gains compromised
d)number of muscle fibers increased - ANS-c) strength gains compromised
Which of the following represents the correct transmission of the heart's electrical
implies?
a)AV node, AV bundle, SA node, Purkinje fibers
b)SA node, AV node, AV bundle, Purkinje fibers
c)SA node, Purkinje fibers, AV node, AV bundle
d)AV node, AV bundle, Purkinje fibers, SA node - ANS-b)SA node, AV node, AV
bundle, Purkinje fibers
Which of the following represents a muscle of expiration?
a) scalene
b)ext. intercostals
c)int. intercostals
d)anterior serratus - ANS-c)int. intercostals
Identify the correct path in which inhaled air is distributed to the lungs.
a)Trachea, Bronchi, Bronchioles, Alveoli
b)Trachea, Alveoli, Bronchi, Bronchioles
c)Trachea, Bronchioles, Bronchi, Alveoli
d)Trachea, Alveoli, Bronchioles, Bronchi - ANS-a) a)Trachea, Bronchi, Bronchioles,
Alveoli
Heavy resistance exercise has what effect on cardiac output?
a)increase rapidly
, b)decrease
c)no change
d)decrease rapidly - ANS-c)no change
What is the value of a metabolic equivalent (MET)?
a)2.5ml O2/kg/bw/min
b)3.5ml CO2/kg/bw/min
c)3.5ml O2/kg/bw/min
d)2.5ml CO2/kg/bw/min - ANS-c)3.5ml O2/kg/bw/min
The phosphagen energy system would primarily supply ATP for which of the following
activities?
a)100m dash
b)400m dash
c)1600 meters
d)marathon - ANS-a)100m dash
Which of the following pathways/systems has the highest capacity for energy
production?
a)phospagen
b)slow glycolysis
c)oxidation of carbs
d) oxidation of fats/protein - ANS-d)oxidation of fats/protein
A male athlete fatigues during the running of a marathon and must pull out of the race,
which is the most probable factor that limited his performance in the race.
a)depleted creation phosphate
b)depleted muscle glycogen
c)depleted fat stores
d)low PH - ANS-b)depleted muscle glycogen
Which of the following is the primary energy system work when the body is at rest?
a)phosphagen
b)slow glycolysis
c)fast glycolysis
d)oxidative - ANS-d)oxidative
ATP used during the 400m dash would be primarily supplied from what energy system?
a)phosphagen
b)slow glycolysis
Answers
Each muscle fiber is surrounded be a connective tissue called?
a)Fasiciculi
b)Perimysium
c)Endomysium
d)Epimysium - ANS-c)Endomysium
What is released from the SR into the Myofibril, causing tension development in a
muscle?
a)Ca+ ions that bind to troponin
b)Ca+ ions that bind to tropomyosin
c)sodium ions that bind to troponin
d)sodium ions that bind to tropomyosin - ANS-a) Ca+ ions that bind to troponin
What type of muscular contraction occurs in the pec major during the slow, controlled,
downward phase of the bench press?
a)concentric
b)isometric
c)myoconcentric
d) eccentric - ANS-d)eccentric
What is the thick structural protein inside the sarcomere?
a)actin
b)myosin
c)sarcoplasm
d)sarcolemma - ANS-b)myosin
A muscle fiber that is small in diameter has a slow contraction speed, and high capillary
density would be classified as?
a)type I
b)type IIa
c)type IIb
d) type IIc - ANS-a)type I
,Through which of the following valves does blood flow after contraction of the right
atrium?
a)aortic
b)pulmonary
c)mitral
d)tricuspid - ANS-d)tricuspid
During a typical ECG atrial depolarization is represented by?
a)P-wave
b)QRS complex
c)T-wave
d)U-wave - ANS-a)P-wave
While reading an ECG, electrical potential that depolarizes the ventricles is represented
by?
a)P-wave
b)QRS complex
c)T-wave
d)U-wave - ANS-b)QRS complex
What blood vessel functions to exchange O2, fluid, nutrients, electrolytes, hormones,
and other substances between the blood and the interstitial fluid in the various tissues of
the body?
a)arteries
b)capillaries
c)veins
d)venues - ANS-b)capillaries
Where are normal rhythmic electrical impulses initiated in the heart?
a)sinoartiral (SA) node
b)atrioventricular (AV) bundle
c)Purkinje fibers
d)atrioventricular (AV) node - ANS-a)sinoratrial (SA) node
When performing a biceps curl, tension in the biceps muscle increases. Which of the
following structures detects and responds to the tension by reflexively reducing muscle
activation?
a) golgi tendon organ (GTO)
b) muscle spindle
c)pacinian corpuscle
,d) lamellar organ - ANS-a) Golgi tendon organ (GTO)
An athlete training for a marathon would benefit from having a high concentration of
which muscle fiber type?
a)type I
b)type IIa
c)type IIb
d)type III - ANS-a)type I
A college football player decides to add 30 min. of intense stationary cycling every other
day to his current training program. Which of the following best describes the effect the
stationary cycling will have on his performance?
a)no effect on strength gains
b)strength gains enhanced
c)strength gains compromised
d)number of muscle fibers increased - ANS-c) strength gains compromised
Which of the following represents the correct transmission of the heart's electrical
implies?
a)AV node, AV bundle, SA node, Purkinje fibers
b)SA node, AV node, AV bundle, Purkinje fibers
c)SA node, Purkinje fibers, AV node, AV bundle
d)AV node, AV bundle, Purkinje fibers, SA node - ANS-b)SA node, AV node, AV
bundle, Purkinje fibers
Which of the following represents a muscle of expiration?
a) scalene
b)ext. intercostals
c)int. intercostals
d)anterior serratus - ANS-c)int. intercostals
Identify the correct path in which inhaled air is distributed to the lungs.
a)Trachea, Bronchi, Bronchioles, Alveoli
b)Trachea, Alveoli, Bronchi, Bronchioles
c)Trachea, Bronchioles, Bronchi, Alveoli
d)Trachea, Alveoli, Bronchioles, Bronchi - ANS-a) a)Trachea, Bronchi, Bronchioles,
Alveoli
Heavy resistance exercise has what effect on cardiac output?
a)increase rapidly
, b)decrease
c)no change
d)decrease rapidly - ANS-c)no change
What is the value of a metabolic equivalent (MET)?
a)2.5ml O2/kg/bw/min
b)3.5ml CO2/kg/bw/min
c)3.5ml O2/kg/bw/min
d)2.5ml CO2/kg/bw/min - ANS-c)3.5ml O2/kg/bw/min
The phosphagen energy system would primarily supply ATP for which of the following
activities?
a)100m dash
b)400m dash
c)1600 meters
d)marathon - ANS-a)100m dash
Which of the following pathways/systems has the highest capacity for energy
production?
a)phospagen
b)slow glycolysis
c)oxidation of carbs
d) oxidation of fats/protein - ANS-d)oxidation of fats/protein
A male athlete fatigues during the running of a marathon and must pull out of the race,
which is the most probable factor that limited his performance in the race.
a)depleted creation phosphate
b)depleted muscle glycogen
c)depleted fat stores
d)low PH - ANS-b)depleted muscle glycogen
Which of the following is the primary energy system work when the body is at rest?
a)phosphagen
b)slow glycolysis
c)fast glycolysis
d)oxidative - ANS-d)oxidative
ATP used during the 400m dash would be primarily supplied from what energy system?
a)phosphagen
b)slow glycolysis