Sets Questions Reviewed With
Correct Answers
Personal Trainer Certification
Practice Exam #1
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