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What is released from the sarcoplasmic reticulum into the myofibril, causing tension development in a muscle? Answer
Calcium ions that bind to troponin
What type of muscular contraction occurs in the pectoralis major during the slow, controlled, downward phase of a bench press? Answer
Eccentric
What is the thick structural protein inside the sarcomere? Answer
Myosin
A muscle fiber that is small in diameter has a slow contraction speed, and a high capillary density would be classified as? Answer
Type I
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Through which of the following valves does blood flow after contraction of the right atrium? Answer
Tricupsid
During a typical electrocardiogram, atrial depolarization is represented by? Answer
P-wave
While reading an ECG, electrical potential that depolarizes the ventricles is represented by? Answer
QRS complex
What blood vessel functions to exchange oxygen, fluid, nutrients, electrolytes, hormones, and other substances between the blood and the interstitial fluid in the various tissues of
the body? Answer
Capillaries
Where are normal rhythmic electrical impulses initiated in the heart? Answer
Sinoatrial (SA) node
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Which of the following represents a muscle of expiration? Answer
Internal Intercostal
Identify the correct path in which inhaled air is distributed to the lungs.
Trachea, Bronchi, Bronchioles, Alveoli
Heavy resistance exercise has what effect on cardiac output? Answer
No change
What is the value of a metabolic equivalent (MET)
3.5 ml of oxygen per kilogram of body weight per minute
The phosphagen energy system would primarily supply ATP for which of the following activities? Answer
100-m dash
Which of the following pathways/systems has the highest capacity for energy production? Answer
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Oxidation of fats and proteins
A male athlete fatigues during the running of a marathon and must pull out of the race, which is the most probable factor that limited his performance in the race.
Depleted muscle glycogen
Which of the following is the primary energy system at work when the body is at rest? Answer
Oxidative
ATP used during the 400-m dash would be primarily supplied from what energy system? Answer
Fast glycolysis
Which of the following has the greatest influence on the energy system used for a given exercise? Answer
Intensity
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Which of the following exercises would promote the highest increase in serum testosterone concentrations? Answer
3 sets of deadlifts at 90% of one-repetition maximum
Growth hormone stimulates what organ to secrete Insulin-Like Growth Factors? Answer
Liver
Which of the following variables would promote the greatest increased serum testosterone levels? Answer
Short rest intervals (30 sec to 1 min)
Growth hormone is secreted by which of the following? Answer
Anterior Pituitary
Which of the following locations produce testosterone in women? Answer
Ovaries and Adrenal Gland
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All of the following are important signal mechanisms for IGF release EXCEPT? Answer
Testosterone
Catecholamines act as all of the following EXCEPT? Answer
Vasoconstrictors
For women still having a menstrual cycle, which of the following hormones is higher than men at rest? Answer
Growth Hormone
The skull, vertebral column, ribs, and sternum are referred to as the? Answer
Axial Skeleton
The sutures of the skull are an example of what type of joint? Answer
Fibrous
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Abduction/transverse
During freestyle swimming, which of the following muscles acts as a synergist to the deltoid with regards to upper arm movement? Answer
Infraspinatus
Which of the following represents the equation for Power? Answer
Work / Time
How much work is required to lift a 100 kg barbell 2 m for 5 repetitions? Answer
9,800 J
If it takes 30 seconds to lift a 100 kg barbell 2 m for 6 repetitions, what is the power output? Answer
392 W
Which type of muscle arrangement is NOT matched with the correct muscle example? Answer
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Biceps Brachii: Longitudinal
All of the following are advantages of weight stack machines EXCEPT? Answer
Simulation of real life activities
An athlete is utilizing a cycle ergometer and in order to increase the intensity she turns the knob which controls the brake pad, this type of resistance is referred to as? Answer
Friction
The normal lumbar spine has what kind of curvature? Answer
Lordotic
Of the following back postures during lifting, which has been found to be the best at avoiding injury? Answer
Slightly Arched
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Which of the following cells are responsible for new bone formation? Answer
Osteoblasts
Acute cardiovascular responses to anaerobic exercise result in all of the following EXCEPT? Answer
Increased blood flow to resting muscles
Which of the following is one of the most commonly measured adaptations to aerobic endurance training? Answer
Maximum oxygen uptake
Adaptations to aerobic endurance training include all of the following EXCEPT? Answer
Increased blood lactate concentrations
The pressure against the arterial walls when no blood is being forcefully ejected by the heart is referred to as? Answer
Diastolic
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During aerobic exercise, blood flow to the active muscles is? Answer
Increased by dilation of arterioles
All of the following physiological changes occur with aerobic endurance training EXCEPT? Answer
Increased muscle strength
A male cross country runner is suspected of suffering from overtraining, all of the following are markers of Aerobic overtraining EXCEPT? Answer
Increased percentage of body fat
Which of the following adjustments occur during prolonged altitude exposure? Answer
Increased blood viscosity
Following detraining, a marathon runner will first notice a decline in maximal? Answer
Oxygen consumption
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In order to help prevent injuries in female athletes it is important to stress which of the following? Answer
Optimize dietary intake
A 67 year old female was found to have a bone mineral density -1.5 standard deviations below the young adult mean and would like to begin a resistance training program. Based on her bone mineral density she would be classified as having? Answer
Osteopenia
All of the following show decreases with the normal aging process EXCEPT? Answer
Bodyfat
A 10 year old boy is beginning a resistance training program, all of the following are likely benefits EXCEPT? Answer
Increased muscle hypertrophy
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You are designing a training program for a 70 year old female golfer, which of the following should be evaluated first? Answer
Medical history
The ideal performance state includes all of the following EXCEPT? Answer
A wide focus of attention
basketball player at the free throw line during a close game experiences tense muscles, an elevated heart rate, and the butterflies, which type of anxiety do these physical
Somatic anxiety
During a field goal attempt, the kicker blocks out the crowd noise and the opposing players to focus specifically on the task at hand, this is referred to as? Answer
Selectiveattention
The ability to effective manage many environmental stimuli simultaneously refers to which dispositional style? Answer
Broad external attentional focus
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A gymnast has a desire to perform to the best of her potential. This is an example of? Answer
Intrinsic motivation
Which of the following factors appear to b responsible for the strength benefits from anabolic steroids? Answer
Increased protein synthesis
During medical screening by a physician all of the following might suggest anabolic steroid use EXCEPT? Answer
HDL Cholesterol level >50 mg/dl
All of the following are functions of Human Growth Hormone EXCEPT? Answer
Decreased uptake of amino acids
Which of the following is a protein primarily produced in the kidney that stimulates new red blood cells? Answer
Erythropoietin
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An athlete who is blood doping would likely experience a substantial increase in what lab values? Answer
Hematocrit and Hemoglobin
Which of the following have affects such as lipolysis and thermogenesis and have been found to increase lean mass and decrease stored fat? Answer
Beta-Adrenergic Agonists
Muscle uptake of creatine can be enhanced by pairing it with which of the following? Answer
Carbohydrates
Caffeine improves athletic performance by all of the following EXCEPT? Answer
Decreased urine output
All of the following are true regarding dietary supplements EXCEPT? Answer
