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Personal Trainer Certification
PracticeJExam #1
1.) is the most important sourceJof immediate energy which lasts about 3 -
5 seconds
a. Phosphocreatine
b.GlycolysisJ
c.Oxidative phosphorylation
d.Aerobic glycolysis
(Ch. 4, P. 66) - CORRECTJANSWERSJJ...a.Phosphocreatine
2.) DuringJmuscle contraction, the releases calcium into the sarcoplasm, which allow
s for actin-myosin interaction.
a.transverse tubuleJ
b.sarcoplasmic reticulum
c.epimysium
d.troponin/tropomyosin complex
(Ch. 4, P. 68) - CORRECTJANSWERSJJ...b.sarcoplasmic reticulum
3.) Which type of muscleJfiber not only produces great force when stimulated but also resists fatigue?
a. Type I
b. Type IIa
c. Type IIx
d. Type Ia
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(Ch. 4, P. 69) - CORRECTJANSWERSJJ...b.Type IIa
4.) The volume of blood pumped by the heart per beat is known as .
a.strokeJcapacity
b.stroke rate
c.heart volume
d.stroke volume
(Ch. 4, P. 78)J-JJCORRECTJANSWERSJJ...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 levelsJand body fat percentage
d.body fatJpercentage and motivation
(Ch. 4, P. 76) - CORRECTJANSWERSJJ...c.hemoglobin levels and body fat percentage
6.) As the respiratory exchangeJratio (R) increases, become the primary fuel source for
activity.
a.carbohydrates
b.fatsJ
c.proteins
d.vitamins
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(Ch. 4, P. 73) - CORRECTJANSWERSJJ...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.caloricJintake
(Ch. 4, P. 83) - CORRECTJANSWERSJJ...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)J-JJCORRECTJANSWERSJJ...b.ATP
9.) Which form of heat loss occursJwhen heat is transferred from the surfaceJof one object to the surface
of another with no physical contact between the objects?
a.conduction
b.evaporation
c.convection
d.radiation
, Wits Study Guide Practice Exams Only Questions And
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(Ch. 4, P. 85) - CORRECTJANSWERSJJ...d.radiation
10.) is the volume of blood pumped by the heart per minute.
a. Heart rate
b. Respiratory quotient
c. Stroke volumeJ
d. Cardiac output
(Ch. 4, P. 78) - CORRECTJANSWERSJJ...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) - CORRECTJANSWERSJJ...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) - CORRECTJANSWERSJJ...c.oxygen debt