WITS EXAM AND PRACTICE EXAM NEWEST ACTUAL EXAM
1.)_________________ is the most important source of immediate energy which
lasts about 3 - 5 seconds
a.Phosphocreatine
b.Glycolysis
c.Oxidative phosphorylation
d.Aerobic glycolysis
(Ch. 4, P. 66) - ANSWER: ...a.Phosphocreatine
2.)During muscle contraction, the _______________ releases calcium into the
sarcoplasm, which allows for actin-myosin interaction.
a.transverse tubule
b.sarcoplasmic reticulum
c.epimysium
d.troponin/tropomyosin complex
(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?
a.Type I
b.Type IIa
c.Type IIx
d.Type Ia
(Ch. 4, P. 69) - ANSWER: ...b.Type IIa
4.)The volume of blood pumped by the heart per beat is known as ______________.
a.stroke capacity
b.stroke rate
c.heart volume
d.stroke volume
(Ch. 4, P. 78) - ANSWER: ...d.stroke volume
5.)What are the primary reasons women have lower VO2max values than men?
a.hemoglobin levels and motivation
,b.motivation and body weight
c.hemoglobin levels and body fat percentage
d.body fat percentage and motivation
(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.
a.carbohydrates
b.fats
c.proteins
d.vitamins
(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.
a.frequency
B.time
c.intensity
D.caloric intake
(Ch. 4, P. 83) - ANSWER: ...c.intensity
8.)_________ is the primary energy source cells use for biological work.
a.Carbohydrate
b.ATP
c.Calcium
d.ADP
(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?
a.conduction
b.evaporation
c.convection
d.radiation
(Ch. 4, P. 85) - ANSWER: ...d.radiation
,10.)____________ is the volume of blood pumped by the heart per minute.
a.Heart rate
b.Respiratory quotient
c.Stroke volume
d.Cardiac output
(Ch. 4, P. 78) - ANSWER: ...d.Cardiac output
11.)During a ____________, participants exercise at progressively increasing work
rates until they reach maximum work tolerance.
a.graded exercise test (GXT)
b.maximal uptake test (MUT)
c.sub-maximal test (SMT)
d.graded maximal test (GMT)
(Ch. 4, P. 75) - ANSWER: ...a.graded exercise test (GXT)
12.)The period of elevated oxygen uptake during recovery from exercise is known as
__________.
a.oxygen deficit
b.steady-state requirement
c.oxygen debt
d.oxygen need payment
(Ch. 4, P. 74) - ANSWER: ...c.oxygen debt
13.)As the respiratory exchange ratio (R) decreases, the primary fuel utilized for
exercise is ________________.
a.protein
b.fat
c.carbohydrate
d.creatine phosphate
(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?
a.mitochondria
b.nucleus
c.sarcoplasmic reticulum
d.endoplasmic reticulum
, (Ch. 4, P. 66) - ANSWER: ...a.mitochondria
15.)The fundamental unit of muscle contraction is the _____________.
a.epimysium
b.fascicle
c.perimysium
d.sarcomere
(Ch. 4, P. 67) - ANSWER: ...d.sarcomere
16.)During periods of exercise, _______________ is the body's primary form of heat
loss.
a.convection
b.conduction
c.evaporation
d.radiation
(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 ____________.
a.summation
b.tetanus
c.isometric
d.muscle spasm
(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?
a.Type IIa
b.Type I
c.Type IIx
d.Type Ia
(Ch. 4, P. 69) - ANSWER: ...c.Type IIx
19.)In the general population, _____________ is the major variable influencing
maximal cardiac output.
1.)_________________ is the most important source of immediate energy which
lasts about 3 - 5 seconds
a.Phosphocreatine
b.Glycolysis
c.Oxidative phosphorylation
d.Aerobic glycolysis
(Ch. 4, P. 66) - ANSWER: ...a.Phosphocreatine
2.)During muscle contraction, the _______________ releases calcium into the
sarcoplasm, which allows for actin-myosin interaction.
a.transverse tubule
b.sarcoplasmic reticulum
c.epimysium
d.troponin/tropomyosin complex
(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?
a.Type I
b.Type IIa
c.Type IIx
d.Type Ia
(Ch. 4, P. 69) - ANSWER: ...b.Type IIa
4.)The volume of blood pumped by the heart per beat is known as ______________.
a.stroke capacity
b.stroke rate
c.heart volume
d.stroke volume
(Ch. 4, P. 78) - ANSWER: ...d.stroke volume
5.)What are the primary reasons women have lower VO2max values than men?
a.hemoglobin levels and motivation
,b.motivation and body weight
c.hemoglobin levels and body fat percentage
d.body fat percentage and motivation
(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.
a.carbohydrates
b.fats
c.proteins
d.vitamins
(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.
a.frequency
B.time
c.intensity
D.caloric intake
(Ch. 4, P. 83) - ANSWER: ...c.intensity
8.)_________ is the primary energy source cells use for biological work.
a.Carbohydrate
b.ATP
c.Calcium
d.ADP
(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?
a.conduction
b.evaporation
c.convection
d.radiation
(Ch. 4, P. 85) - ANSWER: ...d.radiation
,10.)____________ is the volume of blood pumped by the heart per minute.
a.Heart rate
b.Respiratory quotient
c.Stroke volume
d.Cardiac output
(Ch. 4, P. 78) - ANSWER: ...d.Cardiac output
11.)During a ____________, participants exercise at progressively increasing work
rates until they reach maximum work tolerance.
a.graded exercise test (GXT)
b.maximal uptake test (MUT)
c.sub-maximal test (SMT)
d.graded maximal test (GMT)
(Ch. 4, P. 75) - ANSWER: ...a.graded exercise test (GXT)
12.)The period of elevated oxygen uptake during recovery from exercise is known as
__________.
a.oxygen deficit
b.steady-state requirement
c.oxygen debt
d.oxygen need payment
(Ch. 4, P. 74) - ANSWER: ...c.oxygen debt
13.)As the respiratory exchange ratio (R) decreases, the primary fuel utilized for
exercise is ________________.
a.protein
b.fat
c.carbohydrate
d.creatine phosphate
(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?
a.mitochondria
b.nucleus
c.sarcoplasmic reticulum
d.endoplasmic reticulum
, (Ch. 4, P. 66) - ANSWER: ...a.mitochondria
15.)The fundamental unit of muscle contraction is the _____________.
a.epimysium
b.fascicle
c.perimysium
d.sarcomere
(Ch. 4, P. 67) - ANSWER: ...d.sarcomere
16.)During periods of exercise, _______________ is the body's primary form of heat
loss.
a.convection
b.conduction
c.evaporation
d.radiation
(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 ____________.
a.summation
b.tetanus
c.isometric
d.muscle spasm
(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?
a.Type IIa
b.Type I
c.Type IIx
d.Type Ia
(Ch. 4, P. 69) - ANSWER: ...c.Type IIx
19.)In the general population, _____________ is the major variable influencing
maximal cardiac output.
