Final Quiz Questions

Front 1

The cell membrane around muscle is called

Back 1

d.sarcolemma

Front 2

The two principle contractile proteins found in skeletal muscle are

Back 2

b.actin and myosin

Front 3

a muscular contraction that results in a movement of body parts is called

Back 3

c.isotonic or dynamic contraction

Front 4

Fast-twitch fibers contain a relatively

Back 4

c. small number of mitochondria and high ATPase activity

Front 5

The motor neuron and all the muscle fibers it innervates are called a motor

Back 5

b. unit

Front 6

The site where the motor neuron and muscle cell meet is called the

Back 6

d. neuromuscular junction

Front 7

A successful endurance athlete would likely have ______ compared to a sedentary person

Back 7

b. a higher percentage of type I fibers

Front 8

The amount of force exerted during muscular contraction is dependent on the

Back 8

b. type of motor units recruited, the initial length of the muscle, and the nature of the neural stimulation

Front 9

Which of the following has been shown to cause muscle fatigue

Back 9

a. the accumulation of H+

Front 10

satellite cells

Back 10

d. are undifferentiated cells that play a key role in muscle growth and repair

Front 11

which of the following training adaptations does not result in lower lactate production

Back 11

a. increased glycogen utilization

Front 12

In the first 10 weeks of resistance training program, the gains in strength are due primarily to

Back 12

a. neural adaptations

Front 13

The systematic process in which volume and intensity of training are varied over time is

Back 13

d. periodization

Front 14

endurance training results in increased mitochondrial and capillary density in muscle but has no effect on muscle glycolytic capacity. this is an example of what training principle

Back 14

b. specificity

Front 15

The enhanced capacity of the trained muscle to use fatty acids as a fuel results in

Back 15

d. all of the above

Front 16

Following an endurance training program, the oxygen deficit is smaller when the subject does the same work task. this is due to

Back 16

b. increases in the number of mitochondria and capillaries

Front 17

in order to achieve improvements in VO2 max, highly trained individuals may need to train at intensities of

Back 17

d. 95-100%

Front 18

lactate removal is performed by the:

Back 18

d. a and b

Front 19

Loss of muscle mass is due to

Back 19

a. loss in type II fibers

Front 20

Explain the concept of "neural factors" with regards to gaining strength...what is this due to

Back 20

Improved ability to recruit motor units
Learning
Coordination

Front 21

Which of the following is an example of an environmental risk factor

Back 21

b. socioeconomic status

Front 22

Which of the following risk factors for coronary heart disease cannot be changed

Back 22

d. heredity

Front 23

Which of the following is not a way that epidemiology is used to control health problems

Back 23

a. to establish the cause of a disease
b. to trace the natural history of a disease
c. to create and implement a treatment for a disease
d. to evaluate an intervention

Front 24

which of the following is not among the criteria for the metabolic syndrome

Back 24

c. muscle fiber type

Front 25

In the syndrome X model, abnormal obesity is linked to

Back 25

d. all of the above

Front 26

If a 30-year-old man checked a "yes" response in the PAR-Q, what should he do prior to taking an exercise test

Back 26

b. contact his physician for permission to take the test

Front 27

The basis for the running field tests for estimating vo2 max is that

Back 27

c. there is a linear relationship between running speed and oxygen uptake

Front 28

list three risk factors that can be changed

Back 28

Cigarette smoking
High serum cholesterol
High blood pressure
Physical inactivity
Blood glucose
Obesity
Stress

Front 29

given:a 50-year-old man with a resting heart rate of 70 beats* min-1. what is the target heart rate range as determined by the heart rate reserve method

Back 29

c. 130-150

Front 30

The optimal training intensity using Borg's original scale is

Back 30

c. 13-15

Front 31

Which of the following is not a method that is useful for prescribing the recommended intensity of exercise training

Back 31

d. the onset of sweating

Front 32

Which of the following variables is the least sensitive to exercise (training)

Back 32

d. high-density lipoproteins (HDL)

Front 33

The ASCM recommendation for resistance training to increase and maintain muscular strength and endurance includes all of the following except

Back 33

d. All of the above are part of ACSM recommendation

Front 34

Before a previously sedentary person progresses to jogging, he or she should be able to walk

Back 34

b. four miles

Front 35

the risk of orthopedic injuries and cardiovascular complication associated with physical activity

Back 35

b. is low at moderate levels of physical activity

Front 36

List and describe what the following acronym means
F.I.T

Back 36

F:Frequency
Number of days per week
Number of times per day

I:Intensity
%VO2 max
% maximal heart rate
Rating of perceived exertion
Lactate threshold

T:Duration
Number of minutes of exercise
Total kcals expended
Total kcals expended per kilogram body weight

Front 37

A cool-down period following heavy exercise is probably very important in

Back 37

c. returning "pooled" blood from the exercising skeletal muscle back to central circulation

Front 38

the term overload, when used in conjunction with a sport conditioning program, means to

Back 38

b. stress the system above a level to which its accustomed

Front 39

a genetic predisposition for athletic talent

Back 39

c. is essential if an individual is to compete at a world-class level

Front 40

intervals aimed at specific improvement of the ATP-CP system should generally last____seconds

Back 40

a. 5-10

Front 41

which of the following is not a general recommendation for strength training

Back 41

b. >10 sets of each exercise

Front 42

Delayed onset muscle soreness is though to be due to

Back 42

c. microscopic tears in the muscle resulting in calcium release for the SR

Front 43

Describe in performance, weight loss, chronic fatigue, increased infections, and psychological staleness are symptoms of

Back 43

b. overtraining

Front 44

the most significant key to developing protection against exercise-induced muscle soreness is

Back 44

b. repeated exposure to exercise

Front 45

when an athlete stops training, the training effect is quickly lost. this illustrates the concept of

Back 45

c. reversibility

Front 46

most, if not all, of the increase in muscle size due to strength training is the result of

Back 46

a. hypertrophy