WITS study guide practice exams only
Q and A
Personal Trainer Certification
Practice Exam #1
1.)_________________ is the most important source of immediate energy which lasts
about 3 - 5 seconds
(Ch. 4, P. 66) - answer...a.Phosphocreatine
2.)During muscle contraction, the _______________ releases calcium into the
sarcoplasm, which allows for actin-myosin interaction.
(Ch. 4, P. 68) - answer...b.sarcoplasmic reticulum
3.)Which type of muscle fiber not only produces great force when stimulated but also
resists fatigue?
(Ch. 4, P. 69) - answer...b.Type IIa
4.)The volume of blood pumped by the heart per beat is known as ______________.
(Ch. 4, P. 78) - answer...d.stroke volume
5.)What are the primary reasons women have lower VO2max values than men?
(Ch. 4, P. 76) - answer...c.hemoglobin levels and body fat percentage
6.)As the respiratory exchange ratio (R) increases, ______________ become the
primary fuel source for activity.
(Ch. 4, P. 73) - answer...a.carbohydrates
7.)Studies have revealed that ____________ is the most significant factor in
maintaining VO2max with a reduced training load.
(Ch. 4, P. 83) - answer...c.intensity
,8.)_________ is the primary energy source cells use for biological work.
(Ch. 4, P. 66) - answer...b.ATP
9.)Which form of heat loss occurs when heat is transferred from the surface of one
object to the surface of another with no physical contact between the objects?
(Ch. 4, P. 85) - answer...d.radiation
10.)____________ is the volume of blood pumped by the heart per minute.
(Ch. 4, P. 78) - answer...d.Cardiac output
11.)During a ____________, participants exercise at progressively increasing work
rates until they reach maximum work tolerance.
(Ch. 4, P. 75) - answer...a.graded exercise test (GXT)
12.)The period of elevated oxygen uptake during recovery from exercise is known as
__________.
(Ch. 4, P. 74) - answer...c.oxygen debt
13.)As the respiratory exchange ratio (R) decreases, the primary fuel utilized for
exercise is ________________.
(Ch. 4, P. 73) - answer...b.fat
14.)Which component of a cell is a major player for the production of ATP during
aerobic metabolism?
(Ch. 4, P. 66) - answer...a.mitochondria
15.)The fundamental unit of muscle contraction is the _____________.
(Ch. 4, P. 67) - answer...d.sarcomere
16.)During periods of exercise, _______________ is the body's primary form of heat
loss.
(Ch. 4, P. 86) - answer...c.evaporation
17.)An increase in the frequency of muscle stimulation into a smooth, sustained, high-
tension contraction is called ____________.
, (Ch. 4, P. 70) - answer...b.tetanus
18.)Which type of muscle fibers contract quickly and have an innate capacity to produce
great force, but fatigue quickly?
(Ch. 4, P. 69) - answer...c.Type IIx
19.)In the general population, _____________ is the major variable influencing maximal
cardiac output.
(Ch. 4, P. 79) - answer...a.stroke volume
20.)For the average male and female, about _________ of muscle fibers are type I.
(Ch. 4, P. 69) - answer...a.52%
21.)Which anaerobic energy pathway provides energy for maximal work lasting about
two minutes?
(Ch. 4, P. 66) - answer...d.glycolysis
22.)What protein does calcium bind to when it is released into the sarcoplasm during
muscle contraction?
(Ch. 4, P. 68) - answer...b.troponin
23.)The volume of oxygen missing during the first few minutes of work is the
____________.
(Ch. 4, P. 74) - answer...B.oxygen deficit
24.)For most people, aging gradually but systematically reduces VO2max by about
_______ per year.
(Ch. 4, P. 76) - answer...d.1%
25.)Which muscle fibers contract slowly and produce little force, but have great
resistance to fatigue?
(Ch. 4, P. 69) - answer...b.Type I
Q and A
Personal Trainer Certification
Practice Exam #1
1.)_________________ is the most important source of immediate energy which lasts
about 3 - 5 seconds
(Ch. 4, P. 66) - answer...a.Phosphocreatine
2.)During muscle contraction, the _______________ releases calcium into the
sarcoplasm, which allows for actin-myosin interaction.
(Ch. 4, P. 68) - answer...b.sarcoplasmic reticulum
3.)Which type of muscle fiber not only produces great force when stimulated but also
resists fatigue?
(Ch. 4, P. 69) - answer...b.Type IIa
4.)The volume of blood pumped by the heart per beat is known as ______________.
(Ch. 4, P. 78) - answer...d.stroke volume
5.)What are the primary reasons women have lower VO2max values than men?
(Ch. 4, P. 76) - answer...c.hemoglobin levels and body fat percentage
6.)As the respiratory exchange ratio (R) increases, ______________ become the
primary fuel source for activity.
(Ch. 4, P. 73) - answer...a.carbohydrates
7.)Studies have revealed that ____________ is the most significant factor in
maintaining VO2max with a reduced training load.
(Ch. 4, P. 83) - answer...c.intensity
,8.)_________ is the primary energy source cells use for biological work.
(Ch. 4, P. 66) - answer...b.ATP
9.)Which form of heat loss occurs when heat is transferred from the surface of one
object to the surface of another with no physical contact between the objects?
(Ch. 4, P. 85) - answer...d.radiation
10.)____________ is the volume of blood pumped by the heart per minute.
(Ch. 4, P. 78) - answer...d.Cardiac output
11.)During a ____________, participants exercise at progressively increasing work
rates until they reach maximum work tolerance.
(Ch. 4, P. 75) - answer...a.graded exercise test (GXT)
12.)The period of elevated oxygen uptake during recovery from exercise is known as
__________.
(Ch. 4, P. 74) - answer...c.oxygen debt
13.)As the respiratory exchange ratio (R) decreases, the primary fuel utilized for
exercise is ________________.
(Ch. 4, P. 73) - answer...b.fat
14.)Which component of a cell is a major player for the production of ATP during
aerobic metabolism?
(Ch. 4, P. 66) - answer...a.mitochondria
15.)The fundamental unit of muscle contraction is the _____________.
(Ch. 4, P. 67) - answer...d.sarcomere
16.)During periods of exercise, _______________ is the body's primary form of heat
loss.
(Ch. 4, P. 86) - answer...c.evaporation
17.)An increase in the frequency of muscle stimulation into a smooth, sustained, high-
tension contraction is called ____________.
, (Ch. 4, P. 70) - answer...b.tetanus
18.)Which type of muscle fibers contract quickly and have an innate capacity to produce
great force, but fatigue quickly?
(Ch. 4, P. 69) - answer...c.Type IIx
19.)In the general population, _____________ is the major variable influencing maximal
cardiac output.
(Ch. 4, P. 79) - answer...a.stroke volume
20.)For the average male and female, about _________ of muscle fibers are type I.
(Ch. 4, P. 69) - answer...a.52%
21.)Which anaerobic energy pathway provides energy for maximal work lasting about
two minutes?
(Ch. 4, P. 66) - answer...d.glycolysis
22.)What protein does calcium bind to when it is released into the sarcoplasm during
muscle contraction?
(Ch. 4, P. 68) - answer...b.troponin
23.)The volume of oxygen missing during the first few minutes of work is the
____________.
(Ch. 4, P. 74) - answer...B.oxygen deficit
24.)For most people, aging gradually but systematically reduces VO2max by about
_______ per year.
(Ch. 4, P. 76) - answer...d.1%
25.)Which muscle fibers contract slowly and produce little force, but have great
resistance to fatigue?
(Ch. 4, P. 69) - answer...b.Type I
