Acsm Cpt Chapter 2

Front 1

Phosphagen System?
4 important things.

Back 1

1) The energy pathway composed of ATP and Phosphocreatine (PCr)
2) Immediatly available for working muscle
3) Stored in Muscle fibers
4) energy for no more than 30 secs

Front 2

ATP is broken down to

Back 2

Adenosinediphosphate (ADP)

Front 3

The immediate source of energy for all cellular activity, including muscle contraction is:
a) Phosphocreatine (PCr)
b) Adenosine Triphospahte (ATP)
c) Adenosine Diphosphate (ADP)
d) Glucose

Back 3

b) Andenosine Triphosphate (ATP)

Front 4

Non Oxidative System

Back 4

Anaerobic Pathway oxygen is not required for it to produce ATP
Lasting 30 secs to 3 minutes

Front 5

Oxidative System

Back 5

Aerobic Pathway ATP producing pathway because oxygen is required for it to proceed.

Front 6

The primary advantage of which bioenergetic pathway is that it can produce large amounts of ATP to sustain prolonged exercise, without producing fatiquing by products?
a) Oxidative
b) Non Oxidative
c) Anaerobic
d) Phosphagen

Back 6

a) Oxidative System

Front 7

Within the skeletal muscle fiber , large amounts of calcium are stored in the;
a) Nuclei
b) Mitochondria
c) Myosin
d) Sarcoplasmic reticulum

Back 7

d) Sarcoplasmic reticulum

Front 8

Fibers that have a slow twitch properties, but high oxidative capacity

Back 8

Slow Twitch ( Type I)

Front 9

Myofibers that are fast twitch with low oxidative potential

Back 9

Fast Twitch ( Type II B)

Front 10

Fibers that are intermediate, both in twitch and velocity and oxidative capacity

Back 10

Type II A

Front 11

during long duration exercise of submaximal intensity
(marathon running), which type of muscle fibers are primarily recruited?

Back 11

Type I

Front 12

The Atpase that is used to produce a muscle fiber twitch by way of sliding filaments is found
a) On Actin
b) On myosin cross bridge heads
c) Within Sacroplasmic reticulum
d) With in the nuclei

Back 12

b) Myosin Cross Bridge heads

Front 13

The Capacity of enurance training to increase the amount of ATP produced by oxidative phosphorylationis owing to;
a) increased mitochondrial content
b) Increased muscle fiber size
c) Increased size of sarcoplasmic reticulum
d) decreased capillarity

Back 13

a) Increased Mitochonrial content

Front 14

A single motor neuron and all the muscle fibers it innervates comprise a;
a) Muscle Unit
b) Motor Unit
c) Fascicle
d) Sarcomere

Back 14

b) Motor Unit

Front 15

Both Resistance training and endurance training result in which of the following conversions of muscle fiber type?
a) Type II to Type I
b) Type I to Type II
c) Type IIX to Type IIA
d) Type IIA to Type IIX

Back 15

Any type of training, whether it is resistance training or endurance training will cause a conversion of
c) Type IIX to Type IIA

Front 16

With in the pulmonary system, the actual exchangeof gases with blood occurs at the;
a) Trachea
b) Bronchi
c) Alveoli
d) Bronchioles

Back 16

c) Alveoli

Front 17

During Maximal Intensity Exercise, minute ventilation can increase by;
a) 50%
b) 100%
c) 5-fold
d) 20-25 fold

Back 17

d) 20 -25 fold

Front 18

Under resting conditions, stroke volume in a typical male (70kg/154lbs) is about;
a) 70mL
b) 40mL
c) 100mL
d) 120mL

Back 18

a) 70mL

Front 19

The amount of blood ejected from the heart per minute is referred to as;
a) Stroke Volume
b) Heart Rate
c) Cardiac Output
d) End- Diastolic volume

Back 19

c) Cardiac Output

Front 20

The amount of blood in each ventricle at the end of the resting phase (diastole) of a cardic cycle(contraction)is?

Back 20

End -diastolic Volume

Front 21

Percetage of blood in the ventricle during the diastole that is actually pumped out during systole. Sometimes defined as the ratio of stoke volume to end diastole volume?

Back 21

Ejection fraction

Front 22

The Frank- Starling mechanism plays a vital role in determining;
a) End Diastole volume
b) Stoke Volume
c) Heart Rate
d) Myocardial oxygen consumption

Back 22

b) Stroke Volume

Front 23

During maximal intensity aerobic exercise, cardiac output increases by _______ in an untrained individual.
a) 50%
b) 2 fold
c) 5-6 fold
d) 10-12 fold

Back 23

c) 5-6 fold

Front 24

which of the following adaptations would not be expected to occur as a result of long term areobic training?
a) Decrease resting HR
b) Increased Stroke volume
c) Increase in resting cardiac out put
d) Increase in maximal HR

Back 24

c) Increase in resting Cardiac out put.
At rest, cardiac out put is not affected by training status. The amount fo blood the body needs to sustain function is the same is trained and untrained individuals

Front 25

While performing a running workout of submaximal intensity,which of the following responses would be expected to occur?
a) Increased end Diastole volume
b) Decreased end diastole volume
c) Decrease in Ejection fraction
d) Decrease in Cardiac out put

Back 25

a) Increased Diastole Volume
Rateof blood flow increases during exercise and so does the rate of blood return to the heart.
(End Diastolic volume - the amount of blood in the ventricles following a diastolic rest phase of the cardiac cycle is enhanced during exercise.

Front 26

Compared with running, swimming will result in ______
even if exercise intensity is the same.
a) Higher HR
b) Lower HR
c) A Lower Cardiac output
d) A higher cardiac output

Back 26

b) Lower HR
due to supine/prone positioning
Point to note:
Beacuse of higher stroke volume during submaximal swimming campared with running, the same cardiac output can be achieved with a lower HR during swimming.

Front 27

The exchange of gases between the blood and the surrounding tissues( Muscle) take place at these vessels;
a) Arteries
b) Arterioles
c) Capiliaries
d) Veins

Back 27

c) Capilliaries

Front 28

The process of vasoconstriction and vasodialtaion, which regulate blood flow to a given muscle mass, occurs at the
a) Arteries
b) Arterioles
c) Venules
d) Veins

Back 28

b) Arterioles

Front 29

During aerobic exercise, which of the following response would NOT be considered normal?
a) Increased Systolic BP
b) Increased Pulse Pressure
c) Increased mean arterial pressure
d) Increased Diastolic BP

Back 29

d) Diastolic BP

Front 30

Which of the following statements regarding BP and resistance training is correct?
a) People even with a mild form of CV should never perform resistance training.

b) Blood pressure elevations are highest during isiometric contractions

c) BP elevations during resistance training are independant of muscle mass involved.

d) Typically, blood pressure elevations seen during maxiamal resistance training exercise are less than those observed during maximal areobic training

Back 30

b) Blood Pressure Elevations are highest during isometric contractions

Front 31

The reason men have more Hematocrit and hemogloblin levels than women is;
a) Men produce more testerone than women
b) Men have greater muscle mass than women
c) Unlike men, women have a enstral cycle
d) Men generally train harder than women

Back 31

a) Because men produce more testerone than women

Front 32

The cells of the blood that are often referred to as "white" blood cells are the
a) Platelets
b) Erthocytes
c) Plasmacytes
d) Leukocytes

Back 32

d) Leukocytes

Front 33

Many of the major health organizations in the US recommend a minium of ____ minutes of physical activity on most days of the week to achieve significant helath benefits and protection form chronic diseases, such as CV.
a) 30
b) 60
c) 10
d) 90

Back 33

a) 30

Front 34

Systolic BP is the pressure exerted on the arterial walls

a) During the resting phase between ventrical beats

b) The average pressure through out the cardiac cycle

c) the double product of myocardial oxygen uptake and the workload of the left ventricle

d) during the contraction of theleft ventricle

Back 34

D) Contraction of the left ventricle

Front 35

Mean arterial pressure is
a) The value used to estimate contractile force generated by the heart.
b) The average pressure exerted through out the entire cardiac cycle
c) The differene between diastolic and systolic pressure
d) all of the above

Back 35

b) The average pressure exerted through out he entire cardiac cycle

Front 36

Rate Pressure Product is
a) Vasodialation
b) Systolic BP
c) Double product of oxygen uptake and workloadof the left ventricle
d) Vasoconstriction

Back 36

c) Double product of myocardial oxygen uptake and left ventricle workload

Front 37

Despite vasodilation, the several fold increase in cardiac output during exercise still results in
a) Decrease in systolic bp
b) increase in systolic bp
c) Decrease in both systolic and diastolic bp
d) Increase in both systolic and diastolic bp

Back 37

b) Increase in systolic BP