Exam Prep Exercise Science Practice Exam

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

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?

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

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

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?

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?

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?

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

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

Which of the following can be metabolized anaerobically?

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

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

Most human limbs operate as which class of lever?

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

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

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

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

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?

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

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

Which of the following is a marker of aerobic overtraining?

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

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?

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

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?

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