CSCS Practice Exam

Each muscle fiber is surrounded by a connective tissue called?

Endomysium

What is released from the sarcoplasmic reticulum into the myofibril, causing tension development in a muscle?

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?

Eccentric

What is the thick structural protein inside the sarcomere?

Myosin

A muscle fiber that is small in diameter has a slow contraction speed, and a high capillary density would be classified as?

Type I

Through which of the following valves does blood flow after contraction of the right atrium?

Tricupsid

During a typical electrocardiogram, atrial depolarization is represented by?

P-wave

While reading an ECG, electrical potential that depolarizes the ventricles is represented by?

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?

Capillaries

Where are normal rhythmic electrical impulses initiated in the heart?

Sinoatrial (SA) node

When performing a biceps curl, tension in the biceps brachii muscle increases. Which of the following structures detects and responds to the tension by reflexively reducing muscle activation?

Golgi tendon organ

An athlete training for a marathon would benefit from having a high concentration of which muscle fiber type?

Type I

A college football player decides to add 30 minutes of intense stationary cycling every other day to his current resistance training program. Which of the following best describes the effect the stationary cycling will have on his performance?

Strength gains compromised

Which of the following represents the correct transmission of the heart's electrical impulse?

SA node, AV node, AV bundle, Purkinje fibers

Which of the following represents a muscle of expiration?

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?

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?

100-m dash

Which of the following pathways/systems has the highest capacity for energy production?

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?

Oxidative

ATP used during the 400-m dash would be primarily supplied from what energy system?

Fast glycolysis

Which of the following has the greatest influence on the energy system used for a given exercise?

Intensity

Which energy system results in the formation of the organic end product lactic acid?

Fast glycolysis

A female weightlifter is only able to complete 8 repetitions of a 10 RM set of power cleans. Which of the following factors is the least likely to have contributed to her missed repetitions?

Fat Stores

You decide to use interval training to stress the phosphagen energy system, which of the following would be an appropriate work to rest period ratio?

1:15

Aerobic training added to the training of anaerobic athletes (Combination Training) can lead to all of the following EXCEPT?

Increased speed

All of the following are physiological roles of growth hormone EXCEPT

Increase glycogen synthesis

Which of the following exercises would promote the highest increase in serum testosterone concentrations?

3 sets of deadlifts at 90% of one-repetition maximum

Growth hormone stimulates what organ to secrete Insulin-Like Growth Factors?

Liver

Which of the following variables would promote the greatest increased serum testosterone levels?

Short rest intervals (30 sec to 1 min)

Growth hormone is secreted by which of the following?

Anterior Pituitary

Which of the following locations produce testosterone in women?

Ovaries and Adrenal Gland

All of the following are important signal mechanisms for IGF release EXCEPT?

Testosterone

Catecholamines act as all of the following EXCEPT?

Vasoconstrictors

For women still having a menstrual cycle, which of the following hormones is higher than men at rest?

Growth Hormone

The skull, vertebral column, ribs, and sternum are referred to as the?

Axial Skeleton

The sutures of the skull are an example of what type of joint?

Fibrous

When passing a basketball which muscles act as the agonist and antagonist?

Agonist: Triceps, Antagonist: Biceps

A lever in which the muscle force and resistive force act on opposite sides of the fulcrum is referred to as?

First class

A volleyball player is performing standing plantar flexion against resistance. Which of the following types of levers occurs at the ball of the foot during this exercise?

Second class

Punting a football requires flexion of the hip that occurs in which plane of action?

Sagittal

Which of the following shoulder movements and planes of action are associated with a tennis backhand?

Abduction/transverse

During freestyle swimming, which of the following muscles acts as a synergist to the deltoid with regards to upper arm movement?

Infraspinatus

Which of the following represents the equation for Power?

Work / Time

How much work is required to lift a 100 kg barbell 2 m for 5 repetitions?

9,800 J

If it takes 30 seconds to lift a 100 kg barbell 2 m for 6 repetitions, what is the power output?

392 W

Which type of muscle arrangement is NOT matched with the correct muscle example?

Biceps Brachii: Longitudinal

All of the following are advantages of weight stack machines EXCEPT?

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?

Friction

The normal lumbar spine has what kind of curvature?

Lordotic

Of the following back postures during lifting, which has been found to be the best at avoiding injury?

Slightly Arched

Which of the following occurs as result of heavy resistance training?

Decreased Mitochondrial Density

Which of the following would result in increased motor cortex activity?

When an athlete learns a new sprinting technique

A 13 year old boy is just beginning a resistance training program, at this stage which type of adaptations will predominate?

Neural

With regards to muscular hypertrophy, which fiber type shows the greatest increases in size?

Type II

All of the following are principles of training to increase bone strength EXCEPT?

Type of load

Which of the following cells are responsible for new bone formation?

Osteoblasts

Acute cardiovascular responses to anaerobic exercise result in all of the following EXCEPT?

Increased blood flow to resting muscles

Which of the following is one of the most commonly measured adaptations to aerobic endurance training?

Maximum oxygen uptake

Adaptations to aerobic endurance training include all of the following EXCEPT?

Increased blood lactate concentrations

The pressure against the arterial walls when no blood is being forcefully ejected by the heart is referred to as?

Diastolic

During aerobic exercise, blood flow to the active muscles is?

Increased by dilation of arterioles

All of the following physiological changes occur with aerobic endurance training EXCEPT?

Increased muscle strength

A male cross country runner is suspected of suffering from overtraining, all of the following are markers of Aerobic overtraining EXCEPT?

Increased percentage of body fat

Which of the following adjustments occur during prolonged altitude exposure?

Increased blood viscosity

Following detraining, a marathon runner will first notice a decline in maximal?

Oxygen consumption

Which factor is primarily responsible for the significant improvements in strength of preadolescent boys and girls from resistance training?

Neurological

Youth resistance training guidelines include all of the following EXCEPT?

3 consecutive training sessions per week are recommended

When comparing absolute strength between men and women, which of the following statements is true?

In terms of absolute strength women are generally weaker than men

An area of special emphasis when designing a resistance training program for women is?

Development of the upper body

As a strength and conditioning professional you should be aware that female basketball players are six times more likely than males to injure what body part?

ACL

In order to help prevent injuries in female athletes it is important to stress which of the following?

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?

Osteopenia

All of the following show decreases with the normal aging process EXCEPT?

Bodyfat

A 10 year old boy is beginning a resistance training program, all of the following are likely benefits EXCEPT?

Increased muscle hypertrophy

You are designing a training program for a 70 year old female golfer, which of the following should be evaluated first?

Medical history

The ideal performance state includes all of the following EXCEPT?

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?

Selectiveattention

The ability to effective manage many environmental stimuli simultaneously refers to which dispositional style?

Broad external attentional focus

The women's soccer coach felt the team hustled especially hard at today's practice and announced that no wind sprints would be required at the end of practice. Which type of motivational phenomena does this relate to?

Negative reinforcement

All of the following factors affect optimal arousal and subsequent performance EXCEPT?

Sex

A college basketball player steps to the free throw line and imagines setting up, shooting, sinking the free throw, and what the crowd reaction will be before actually taking the shot. What is this athlete engaging in?

Mental imagery

Any high school wrestler who achieves 100 wins in his career has his name and picture placed on the wall of the gym. This is an example of?

Positive reinforcement

A gymnast has a desire to perform to the best of her potential. This is an example of?

Intrinsic motivation

Which of the following factors appear to b responsible for the strength benefits from anabolic steroids?

Increased protein synthesis

During medical screening by a physician all of the following might suggest anabolic steroid use EXCEPT?

HDL Cholesterol level >50 mg/dl

All of the following are functions of Human Growth Hormone EXCEPT?

Decreased uptake of amino acids

Which of the following is a protein primarily produced in the kidney that stimulates new red blood cells?

Erythropoietin

An athlete who is blood doping would likely experience a substantial increase in what lab values?

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?

Beta-Adrenergic Agonists

Muscle uptake of creatine can be enhanced by pairing it with which of the following?

Carbohydrates

Caffeine improves athletic performance by all of the following EXCEPT?

Decreased urine output

All of the following are true regarding dietary supplements EXCEPT?

They may be advertised as food replacements

The BEST way to assess the amount of fluid an athlete lost during a single workout is the

Change in the athlete's weight observed on a balance scale

Which of the following is a macronutrient?

Protein

Which of the following will a female soccer player utilize the MOST during a game?

Carbohydrate

Which of the following is the MOST important for tissue repair in the strength and power athlete?

Protein