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 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, & other substances between the blood & 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 & responds to the tension by reflexively reducing muscle activation?

Golgi tendon organ

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 kg 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

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

What is a physiological role of growth hormone?

decrease glycogen synthesis

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

3 sets of deadlifts at 90% 1RM

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

Liver

Which of the following rest 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

Catecholamines act as a?

Vasodilator

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

Growth Hormone

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 & 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

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

horizontal 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 the biceps brachii?

fusiform

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

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

Slightly Arched

Which of the following metabolic changes 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

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

Maximum oxygen uptake

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

Diastolic pressure

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

Increased by dilation of arterioles

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

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

Development of the upper body

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 BMD -1.5 standard deviations below the young adult mean & would like to begin a resistance training program. Based on her BMD she would be classified as having?

Osteopenia

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

Medical history

basketball player at the free throw line during a close game experiences tense muscles, an elevated heart rate, & the butterflies, which type of anxiety?

Somatic anxiety

During a field goal attempt, the kicker blocks out the crowd noise & the opposing players to focus specifically on the task at hand, this is referred to as?

Selective attention

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 & announced that no wind sprints would be required at the end of practice. Which type of motivational phenomena does this relate to?

Negative reinforcement

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 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

What has affects such as lipolysis & thermogenesis & have been found to increase lean mass & decrease stored fat?

Beta-Adrenergic Agonists

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

Carbohydrates

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 the MOST important for tissue repair in the strength and power athlete?

Protein

What is the primary source of fuel for a 120 min low intensity workout on a rowing ergometer?

Fat

What portion of total fat calorie intake should consist of saturated fats?

10% or less

What is the recommended HDL level in order to protect against heart disease?

Greater than or equal to 60

Which of the following should you recommend if an athlete's goal is to rapidly replenish glucose and glycogen after a workout?

High-GI food

Which of the following MET levels has the highest caloric cost of exercise?

10.0

Which mode of exercise requires the greatest amount of protein intake?

Heavy resistance training

What is the BEST recommendation for how far from a competition should an athlete begin carbohydrate loading?

3 days

A freshman wrestler has to drop a weight category and increase lean muscle mass before the season begins. Which is the MOST appropriate action for you to take?

Refer to the school's nutritionist

A 220 lb athlete has lost 2 lbs during practice. How much water does the athlete need drink to replace the lost weight?

2 pints

Which of the following refers to the degree to which a test or test item measures what it is supposed to measure?

Validity

Which of the following refers to the degree of consistency or repeatability of a test?

Reliability

You are about to perform a sequence of tests on a male basketball player. The tests are vertical jump, skinfold measurements, 1 RM back squat, and T-Test. What should be the proper sequence of these tests?

Skinfold measurements, Vertical jump, T-Test, 1 RM back squat

Which of the following would be the most valid test for measuring a volleyball player's muscular power?

Vertical Jump

A test that reflects low-speed muscular strength and utilizes relatively low movement speeds would be which of the following?

Maximum Muscular Strength

An athlete performs a vertical jump height test followed by 1RM test of his back squat. What is the primary energy source utilized during these tests?

ATP

You would like to test a freshmen soccer player's aerobic capacity, which of the following activities would be the best measure?

1600 meter dash

Which of the following tests would be the best to measure a basketball player's ability to start, stop, and change direction of her body rapidly?

T-test

You want to provide a measure of a running back's speed, tests of speed are usually not conducted over distances greater than which of the following?

200 m

Anthropometry is the science of measurement applied to the human body, and measurements generally include all of the following EXCEPT?

Flexibility

Which of the following represents a correct procedure during the application of the Sit-and-Reach-Test?

The tester may hold the athlete's knees down if necessary

When taking skinfolds of an athlete the midaxilla measurement is represented by which of the following?

Vertical fold on the midaxillary line at the level of the xiphoid process

A punter is utilizing static stretches to increase his hamstring length, how long should this type of stretching be held at the point of minor discomfort?

30 sec

Which type of stretching has been shown to increase the risk of injuring muscles connective tissue, especially when there has been a previous injury?

Ballistic

A college long jumper utilizes low-intensity bounding prior to his event. This type of warm-up would be considered?

Specific

A track sprinter performing long walking strides that emphasize hip extension would be utilizing what type of stretching?

Dynamic

In order to stretch her hamstring muscle group a college soccer player asks a partner to passively move her hip into flexion, after a 10 s stretch the partner continues to move the leg further into hip flexion while the soccer player resists the movement, after 6 s she relaxes and the partner further moves her leg into hip flexion. This type of stretching is referred to as?

PNF

A golfer would like to incorporate PNF stretching into his program to improve his flexibility, and asks you what the most effective PNF stretching technique is?

Hold-Relax with Agonist Contraction

Contracting the HS muscle group while it is passively being stretched stimulates the Golgi Tendon Organ & allows which of the following?

Relaxation of the HS by contraction of the HS

Which of the following is the least likely to invoke the stretch reflex by avoiding stimulation of the muscle spindles?

Static Stretch

During a reverse curl and athlete's palms are down and her knuckles are up, this grip is referred to as?

Pronated

Which muscle is recruited to achieve hip extension during the snatch?

Gluteus maximus