Personal Trainer Certification
Practice Exam #1
1.)_________________ is the most important source of immediate energy which lasts about 3 - 5 seconds
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(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
26.)______________, found in limbs and digits, serve primarily as levers for movement.
(Ch. 3, P. 40) - Answer- ...a.Long bones
27.)What is the name of the process in which the cartilaginous structure of the skeleton is gradually replaced by bone during growth and maturation?
(Ch. 3, P. 41) - Answer- ...b.ossification
28.)What kind of joints are freely movable and allow greater movement,direction and range?
(Ch. 3, P. 42) - Answer- ...d.diarthrodial joints
29.)Which of the following is an example of a ball-and-socket joint?
(Ch. 3, P. 43) - Answer- b.glenohumeral joint
30.)Which of the following is a muscle of the quadriceps group?
(Ch. 3, P. 48) - Answer- ...c.sartorius
31.)A ________________ includes all the muscles that cause the same movement at the same joint.
(Ch. 3, P. 51) - Answer- ...d.muscle group
32.)The fibrous membrane covering along bone is the ___________, which serves as an attachment site for muscles except where articular cartilage is present.
(Ch. 3, P. 40) - Answer- ...a.periosteum
33.)Which of the following is the correct joint with its classification?
(Ch. 3, P. 42) - Answer- ...c.sacroiliac joint - amphiarthrodial joint
34.)During _______________ actions, the muscle exerts a force that is equal in magnitude to an opposing force and does not change in length.
(Ch. 3, P. 51) - Answer- ...b.isometric
35.)The ability to maintain a stable, balanced position following a disruption is known as ___________.
(Ch. 3, P. 55) - Answer- ...c.stability [Show Less]