Exam Prep Exercise Science Practice Exam

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Quiz by grayere, updated more than 1 year ago
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Created by grayere over 4 years ago
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Question 1

Question
Which of the following does the cross-bridge attach to during the excitation-contraction coupling phase?
Answer
  • Myosin
  • Actin
  • Troponin

Question 2

Question
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?
Answer
  • Muscle hypertrophy
  • Muscle hyperplasia
  • Improved neuromuscular function

Question 3

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

Question 4

Question
When a motor unit is stimulated, all of its innervated muscle fibers fully contract due to
Answer
  • the size principle
  • the principle of selective recruitment
  • the all-or-none law

Question 5

Question
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?
Answer
  • Type I
  • Type IIa
  • Type IIx

Question 6

Question
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?
Answer
  • Increase her long run to 15 miles
  • 150m track repeats
  • 400-800m track repeats

Question 7

Question
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?
Answer
  • Increased lactic acid levels
  • Increased pH levels
  • Decreased creatine kinase levels

Question 8

Question
A football wide receiver performs 10 sprints of 40 yards to increase his 40 yard sprint speed. What is the primary energy system?
Answer
  • Oxidative
  • Phosphagen
  • Fast Glycolysis

Question 9

Question
Which of the following enzymes catalyze the rate-limiting step of glycolysis?
Answer
  • Phosphorylase
  • Lactate dehydrogenase
  • Phosphofructokinase

Question 10

Question
Which of the following can be metabolized anaerobically?
Answer
  • Protein
  • Carbohydrate
  • Fat

Question 11

Question
Which of the following substances is MOST important in the regulation of muscle action?
Answer
  • Calcium
  • Phosphorus
  • Potassium

Question 12

Question
The wide grip bench press movement primarily takes place in which of the following anatomical planes?
Answer
  • Sagittal
  • Frontal
  • Transverse

Question 13

Question
Most human limbs operate as which class of lever?
Answer
  • Third Class
  • Second Class
  • First Class

Question 14

Question
Which is these is NOT one of the 8 biomechanical factors related to strength?
Answer
  • Energy System Used
  • Muscle Cross Sectional Area
  • Joint Angular Velocity

Question 15

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

Question 16

Question
Which type of exercise has the GREATEST positive influence on bone mineral density?
Answer
  • Open kinetic chain
  • Single-joint assistance
  • Axial Loading

Question 17

Question
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
Answer
  • I and III only
  • I, II, and III only
  • II and III only

Question 18

Question
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?
Answer
  • Increase in running economy
  • Increase in maximal hear rate
  • Decrease in lactate threshold

Question 19

Question
Which of the following has the GREATEST influence on an athlete's dietary carbohydrate requirement?
Answer
  • Body size and body fat percentage
  • Type, duration, and frequency of exercise
  • Resting blood sugar levels

Question 20

Question
Which of the following adaptations is an outcome of heavy resistance training (>85% 1RM) that can IMPROVE the performance of a baseball pitcher?
Answer
  • Improved lactate clearance
  • Increase glycogen & triglyceride storage capacity
  • Increased cross-sectional are of Type II muscle fibers

Question 21

Question
Which of the following is a marker of aerobic overtraining?
Answer
  • Increased serum testosterone concentration
  • Decreased muscle glycogen stores
  • Increased testosterone-to-cortisol ratios

Question 22

Question
Which of the following cardiovascular responses is disproportionately high during a resistance training exercise as compared to an aerobic exercise?
Answer
  • Cardiac Output
  • Heart Rate
  • Stroke Volume

Question 23

Question
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?
Answer
  • 39lbs
  • 8lbs
  • 12lbs

Question 24

Question
Which of the following is most important to replace after strenuous exercise in a warm climate?
Answer
  • Sodium
  • Water
  • Carbohydrates

Question 25

Question
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?
Answer
  • 697 kcals/day
  • 357 kcals/day
  • 427 kcals/day

Question 26

Question
A wrestler prepares for a competition and loses 11 lbs in 5 days. Most of the weight loss is
Answer
  • Fat
  • Water
  • Muscle Tissue

Question 27

Question
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?
Answer
  • 120
  • 34
  • 154

Question 28

Question
Which of the following BEST explains the requirement for increased protein intake by athletes?
Answer
  • Decreased protein oxidation during aerobic exercise
  • Increased need for tissue repair
  • Protein quality

Question 29

Question
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?
Answer
  • 2360
  • 2560
  • 2460

Question 30

Question
Which of the following proteins has an amino acid profile MOST similar to the body's needs?
Answer
  • Soy
  • Milk
  • Egg
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