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Exam Prep Exercise Science Practice Exam

Exam Prep Exercise Science Practice Exam

Question 1 of 30

1

Which of the following does the cross-bridge attach to during the excitation-contraction coupling phase?

Select one of the following:

  • Myosin

  • Actin

  • Troponin

Explanation

Question 2 of 30

1

A 22-year old soccer player begins resistance training for the FIRST TIME. All major muscle groups are included. Which of the following BEST explains an increase in lower-extremity strength after 3 weeks?

Select one of the following:

  • Muscle hypertrophy

  • Muscle hyperplasia

  • Improved neuromuscular function

Explanation

Question 3 of 30

1

The energy system used during exercise depends on which of the following training variables?
I. Mode
II. Duration
III. Frequency
IV. Intensity

Select one of the following:

  • I and IV only

  • II and IV only

  • III and IV only

Explanation

Question 4 of 30

1

When a motor unit is stimulated, all of its innervated muscle fibers fully contract due to

Select one of the following:

  • the size principle

  • the principle of selective recruitment

  • the all-or-none law

Explanation

Question 5 of 30

1

An elite aerobic endurance runner preparing for a 26.6-mi marathon will have a high concentration of which of the following types of muscle fibers?

Select one of the following:

  • Type I

  • Type IIa

  • Type IIx

Explanation

Question 6 of 30

1

Michelle runs 30-40 mi/week (10-12 Sun: 8 Mon; 6 Wed; 8 Fri) and wants to improve her 10-k time, currently at 74 min. Which of the following is the MOST appropriate modification to her program?

Select one of the following:

  • Increase her long run to 15 miles

  • 150m track repeats

  • 400-800m track repeats

Explanation

Question 7 of 30

1

Which of the following will occur as a result of shortening rest periods from 2 minutes to 1 minute in a 10RM circuit weight training program?

Select one of the following:

  • Increased lactic acid levels

  • Increased pH levels

  • Decreased creatine kinase levels

Explanation

Question 8 of 30

1

A football wide receiver performs 10 sprints of 40 yards to increase his 40 yard sprint speed. What is the primary energy system?

Select one of the following:

  • Oxidative

  • Phosphagen

  • Fast Glycolysis

Explanation

Question 9 of 30

1

Which of the following enzymes catalyze the rate-limiting step of glycolysis?

Select one of the following:

  • Phosphorylase

  • Lactate dehydrogenase

  • Phosphofructokinase

Explanation

Question 10 of 30

1

Which of the following can be metabolized anaerobically?

Select one of the following:

  • Protein

  • Carbohydrate

  • Fat

Explanation

Question 11 of 30

1

Which of the following substances is MOST important in the regulation of muscle action?

Select one of the following:

  • Calcium

  • Phosphorus

  • Potassium

Explanation

Question 12 of 30

1

The wide grip bench press movement primarily takes place in which of the following anatomical planes?

Select one of the following:

  • Sagittal

  • Frontal

  • Transverse

Explanation

Question 13 of 30

1

Most human limbs operate as which class of lever?

Select one of the following:

  • Third Class

  • Second Class

  • First Class

Explanation

Question 14 of 30

1

Which is these is NOT one of the 8 biomechanical factors related to strength?

Select one of the following:

  • Energy System Used

  • Muscle Cross Sectional Area

  • Joint Angular Velocity

Explanation

Question 15 of 30

1

Which of the following best describes the differences between the downward and upward phases of a 1RM squat?

Select one of the following:

  • Energy requirements are the same during the downward and upward phases

  • Less energy is required during the downward phase

  • More muscle activity occurs during the downward phase

Explanation

Question 16 of 30

1

Which type of exercise has the GREATEST positive influence on bone mineral density?

Select one of the following:

  • Open kinetic chain

  • Single-joint assistance

  • Axial Loading

Explanation

Question 17 of 30

1

During free-weight exercise, muscle force varies with which of the following:

I. Perpendicular distance from the weight to the body joint
II. Joint angle
III. Movement velocity
IV. Movement velocity squared

Select one of the following:

  • I and III only

  • I, II, and III only

  • II and III only

Explanation

Question 18 of 30

1

A sophomore collegiate 1600-m runner has been aerobically training for 2 years. She increases her performance time throughout the course of her first season. Which of the following physiological responses is PRIMARILY responsible for her performance increases?

Select one of the following:

  • Increase in running economy

  • Increase in maximal hear rate

  • Decrease in lactate threshold

Explanation

Question 19 of 30

1

Which of the following has the GREATEST influence on an athlete's dietary carbohydrate requirement?

Select one of the following:

  • Body size and body fat percentage

  • Type, duration, and frequency of exercise

  • Resting blood sugar levels

Explanation

Question 20 of 30

1

Which of the following adaptations is an outcome of heavy resistance training (>85% 1RM) that can IMPROVE the performance of a baseball pitcher?

Select one of the following:

  • Improved lactate clearance

  • Increase glycogen & triglyceride storage capacity

  • Increased cross-sectional are of Type II muscle fibers

Explanation

Question 21 of 30

1

Which of the following is a marker of aerobic overtraining?

Select one of the following:

  • Increased serum testosterone concentration

  • Decreased muscle glycogen stores

  • Increased testosterone-to-cortisol ratios

Explanation

Question 22 of 30

1

Which of the following cardiovascular responses is disproportionately high during a resistance training exercise as compared to an aerobic exercise?

Select one of the following:

  • Cardiac Output

  • Heart Rate

  • Stroke Volume

Explanation

Question 23 of 30

1

A 33-year-old, 5'1" woman has been working with a personal trainer for 6 months. Her initial and most recent body composition tests revealed these results:

January 1: Bodyweight=130lbs Body fat=30%

January 30: Bodyweight=124lbs Body fat=25%

Approximately how much body fat (in lbs) has this client lost since her first body composition evaluation?

Select one of the following:

  • 39lbs

  • 8lbs

  • 12lbs

Explanation

Question 24 of 30

1

Which of the following is most important to replace after strenuous exercise in a warm climate?

Select one of the following:

  • Sodium

  • Water

  • Carbohydrates

Explanation

Question 25 of 30

1

An 18-year-old male baseball player has a RMR of 2,200 calories. He expends 700 calories per day through exercise and ingests the following:

Average daily protein intake: 125g
Average daily carb intake: 425g
Average daily fat intake: 40g

He would like to gain six pounds of muscle in 6 weeks. How many additional cals/day should he ingest daily to reach this goal?

Select one of the following:

  • 697 kcals/day

  • 357 kcals/day

  • 427 kcals/day

Explanation

Question 26 of 30

1

A wrestler prepares for a competition and loses 11 lbs in 5 days. Most of the weight loss is

Select one of the following:

  • Fat

  • Water

  • Muscle Tissue

Explanation

Question 27 of 30

1

A 22-year-old female college swimmer has the following anthropometric data:
Height: 66in Weight: 70kg Body fat: 22%

What is her approximate lean body mass in lbs?

Select one or more of the following:

  • 120

  • 34

  • 154

Explanation

Question 28 of 30

1

Which of the following BEST explains the requirement for increased protein intake by athletes?

Select one or more of the following:

  • Decreased protein oxidation during aerobic exercise

  • Increased need for tissue repair

  • Protein quality

Explanation

Question 29 of 30

1

An 18-year-old male baseball player has a RMR of 2,200 calories. He expends 700 calories per day through exercise and ingests the following:

Average daily protein intake: 125g
Average daily carb intake: 425g
Average daily fat intake: 40g

How many calories does he eat each day?

Select one or more of the following:

  • 2360

  • 2560

  • 2460

Explanation

Question 30 of 30

1

Which of the following proteins has an amino acid profile MOST similar to the body's needs?

Select one or more of the following:

  • Soy

  • Milk

  • Egg

Explanation

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