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Practice Exams 1 From Email

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This is from the practice exams your friend sent you
grayere
Quiz by grayere, updated more than 1 year ago
grayere
Created by grayere almost 9 years ago
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Question 1

Question
Which of the following muscles acts synergistically to the vastus lateralis during the upward movement phase of the squat?
Answer
  • biceps femoris
  • rectus abdominis
  • iliopsoas

Question 2

Question
Which is an approximate rest interval for a middle distance runner performing 800-m running intervals in 2 minutes?
Answer
  • 6 minutes
  • 4 minutes
  • 3 minutes

Question 3

Question
Which of the following human muscle fiber types possesses the highest capillary density?
Answer
  • I
  • lIa
  • lIb

Question 4

Question
Which of the following upper arm muscle groups and types of muscle actions are associated with the biceps curl exercise? I. flexors, eccentric II. extensors, eccentric III. flexors, concentric IV. extensors, concentric
Answer
  • I and III only
  • II and III only
  • II and IV only

Question 5

Question
As compared to males, the potential of force production in females per muscle cross-sectional area is
Answer
  • higher.
  • equal.
  • lower.

Question 6

Question
A 176 Ib (80 kg) athlete has an average daily intake of 450g of carbohydrate, 75g of protein, and 100g of fat. What percent of the total kilocalorie intake is fat?
Answer
  • 30
  • 35
  • 40

Question 7

Question
Which cardiovascular adaptations to chronic aerobic exercise contribute the most to improved aerobic endurance performance?
Answer
  • increased maximal cardiac output
  • decreased resting blood pressure
  • decreased resting heart rate

Question 8

Question
An untrained college-aged athlete begins a strength training program. After training for 3 weeks, her strength increases dramatically. Which of the following is the most influential factor responsible for this improvement?
Answer
  • increased cross-sectional area of muscle fibers
  • improved neuromuscular efficiency
  • increased quantity of muscle fibers

Question 9

Question
Which of the following ankle movements and planes of action occur with the upward movement phase of the standing calf (heel) raise exercise?
Answer
  • plantar flexion, sagittal
  • plantar flexion, frontal
  • dorsiflexion, frontal

Question 10

Question
All of the following applied program design variables contribute to significant exercise-induced increases in serum testosterone concentrations EXCEPT:
Answer
  • high volumes
  • large muscle group exercise
  • long rest periods

Question 11

Question
Which of the following exercises involves a first-class lever?
Answer
  • triceps pushdown
  • leg (knee) curl
  • dumbbell biceps curl

Question 12

Question
The depletion of which fuel sources may contribute to fatigue in prolonged aerobic events AND repeated anaerobic exercise bouts?
Answer
  • muscle glycogen
  • free fatty acids
  • creatine phosphate

Question 13

Question
Which of the following causes the largest increase in serum growth hormone concentration?
Answer
  • high-intensity resistance exercise
  • low-intensity aerobic exercise
  • oral ingestion of arginine

Question 14

Question
Which is a characteristic of fast-twitch muscle fibers?
Answer
  • high power output
  • high resistance to fatigue
  • low anaerobic enzyme content

Question 15

Question
What type of lipid comprises the majority of dietary fat?
Answer
  • triglycerides .
  • low-density lipoproteins
  • high-density lipoproteins

Question 16

Question
Which activity places the LEAST metabolic demand on the phosphagen energy system?
Answer
  • cross-country skiing
  • basketball
  • football

Question 17

Question
Which is a characteristic of a vertical chest press machine versus a free weight bench press?
Answer
  • less skill is required to perform the exercise
  • less stress is placed on the prime movers
  • more muscle groups are trained simultaneously

Question 18

Question
In what elbow position is the torque generating capabilities of the elbow flexors greatest?
Answer
  • 90° elbow flexion
  • 0° elbow flexion, since muscles are at their resting length
  • 120° elbow flexion

Question 19

Question
What energy system is used the most during a 400 m sprint race?
Answer
  • fast glycolysis
  • slow glycolysis
  • Phosphagen

Question 20

Question
Which exercise stimulates the greatest increase in axial skeleton bone mineral density?
Answer
  • lying triceps extension
  • lat pulldown
  • shoulder press

Question 21

Question
Which of the following is a dietary source of an incomplete protein?
Answer
  • eggs
  • fish
  • legumes

Question 22

Question
Which describes the proper position of the lumbar spine during the performance of the back squat?
Answer
  • lordotic
  • flexed
  • kyphotic

Question 23

Question
Which substrates requires oxygen to be available to allow it to be metabolized for energy for exercise? I. triglycerides II. muscle glycogen III. amino acids IV. blood glucose
Answer
  • I and III only
  • II and III only
  • II and IV only

Question 24

Question
Dynamically pre-stretching a muscle is associated with which type of subsequent muscle action?
Answer
  • eccentric
  • concentric
  • isometric

Question 25

Question
Which is an indicator of anorexia nervosa?
Answer
  • a fear of becoming obese
  • frequent weight fluctuations
  • a binge-purge eating pattern

Question 26

Question
Which decreases as a result of resistance training and increases due to aerobic training?
Answer
  • mitochondrial density
  • glycogen stores
  • creatine phosphate stores

Question 27

Question
Performance decrements from dehydration among aerobic athletes may begin to occur after the loss of what percentage of body mass?
Answer
  • 3
  • 1
  • 5

Question 28

Question
Which competitive situations would inspire an athlete with a high motive to achieve success (MAS)?
Answer
  • a challenging situation in which the probability of success to failure is even
  • an easy competition in which success is virtually guaranteed
  • a very difficult situation in which the likelihood of success is limited

Question 29

Question
Which is the most appropriate course of action if an eating disorder is suspected with an athlete?
Answer
  • Monitor the athlete's food intake.
  • Provide comprehensive nutrition information.
  • Refer the athlete to the team physician.

Question 30

Question
All are changes to collagen fibrils within a tendon in response to a resistance training program EXCEPT increased
Answer
  • decrease in cross section area
  • greater number of covalent cross-link with the hypertrophied fiber
  • increase in collagen fibril diameter

Question 31

Question
Which of the following events occurs during a concentric muscle action?
Answer
  • the H-zone decreases as the Z-discs are pulled toward each other
  • the actin cross-bridges attach to the myosin filaments
  • each sarcomere is stimulated by a motor neuron

Question 32

Question
All are potential indicators of overtraining EXCEPT::
Answer
  • increased resting blood pressure
  • decreased exercise heart rate
  • decreased muscle glycogen stores

Question 33

Question
When lifting maximal loads, the use of a weight belt may provide the greatest benefits when performing which of the following exercises?
Answer
  • front squat
  • bench press
  • machine shoulder press

Question 34

Question
A 6'2" (188 cm), 220 Ib (100 kg) college football player desires to gain muscle weight. Which of the following should be his first nutritional priority if his current 3000 kcal/day intake consists of 18% protein (1.4 g/kg), 55% carbohydrate (4.1g/kg), and 27% fat (0.9g/kg)?
Answer
  • decrease fat
  • increase protein
  • increase kcals

Question 35

Question
During a single aerobic exercise session, oxygen is delivered to the working muscles at an elevated rate due to an increase in:
Answer
  • cardiac output.
  • total blood hemoglobin.
  • blood glucose.
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