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Practice Exams 1 From Email

Frage 1 von 35

1

Which of the following muscles acts synergistically to the vastus lateralis during the upward movement phase of the squat?

Wähle eine der folgenden:

  • biceps femoris

  • rectus abdominis

  • iliopsoas

Erklärung

Frage 2 von 35

1

Which is an approximate rest interval for a middle distance runner performing 800-m running intervals in 2 minutes?

Wähle eine der folgenden:

  • 6 minutes

  • 4 minutes

  • 3 minutes

Erklärung

Frage 3 von 35

1

Which of the following human muscle fiber types possesses the highest capillary density?

Wähle eine der folgenden:

  • I

  • lIa

  • lIb

Erklärung

Frage 4 von 35

1

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

Wähle eine der folgenden:

  • I and III only

  • II and III only

  • II and IV only

Erklärung

Frage 5 von 35

1

As compared to males, the potential of force production in females per muscle cross-sectional area is

Wähle eine der folgenden:

  • higher.

  • equal.

  • lower.

Erklärung

Frage 6 von 35

1

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?

Wähle eine der folgenden:

  • 30

  • 35

  • 40

Erklärung

Frage 7 von 35

1

Which cardiovascular adaptations to chronic aerobic exercise contribute the most to improved aerobic endurance performance?

Wähle eine der folgenden:

  • increased maximal cardiac output

  • decreased resting blood pressure

  • decreased resting heart rate

Erklärung

Frage 8 von 35

1

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?

Wähle eine der folgenden:

  • increased cross-sectional area of muscle fibers

  • improved neuromuscular efficiency

  • increased quantity of muscle fibers

Erklärung

Frage 9 von 35

1

Which of the following ankle movements and planes of action occur with the upward movement phase of the standing calf (heel) raise exercise?

Wähle eine der folgenden:

  • plantar flexion, sagittal

  • plantar flexion, frontal

  • dorsiflexion, frontal

Erklärung

Frage 10 von 35

1

All of the following applied program design variables contribute to significant exercise-induced increases in serum testosterone concentrations EXCEPT:

Wähle eine der folgenden:

  • high volumes

  • large muscle group exercise

  • long rest periods

Erklärung

Frage 11 von 35

1

Which of the following exercises involves a first-class lever?

Wähle eine der folgenden:

  • triceps pushdown

  • leg (knee) curl

  • dumbbell biceps curl

Erklärung

Frage 12 von 35

1

The depletion of which fuel sources may contribute to fatigue in prolonged aerobic events AND repeated anaerobic exercise bouts?

Wähle eine der folgenden:

  • muscle glycogen

  • free fatty acids

  • creatine phosphate

Erklärung

Frage 13 von 35

1

Which of the following causes the largest increase in serum growth hormone concentration?

Wähle eine der folgenden:

  • high-intensity resistance exercise

  • low-intensity aerobic exercise

  • oral ingestion of arginine

Erklärung

Frage 14 von 35

1

Which is a characteristic of fast-twitch muscle fibers?

Wähle eine der folgenden:

  • high power output

  • high resistance to fatigue

  • low anaerobic enzyme content

Erklärung

Frage 15 von 35

1

What type of lipid comprises the majority of dietary fat?

Wähle eine der folgenden:

  • triglycerides .

  • low-density lipoproteins

  • high-density lipoproteins

Erklärung

Frage 16 von 35

1

Which activity places the LEAST metabolic demand on the phosphagen energy system?

Wähle eine der folgenden:

  • cross-country skiing

  • basketball

  • football

Erklärung

Frage 17 von 35

1

Which is a characteristic of a vertical chest press machine versus a free weight bench press?

Wähle eine der folgenden:

  • less skill is required to perform the exercise

  • less stress is placed on the prime movers

  • more muscle groups are trained simultaneously

Erklärung

Frage 18 von 35

1

In what elbow position is the torque generating capabilities of the elbow flexors greatest?

Wähle eine der folgenden:

  • 90° elbow flexion

  • 0° elbow flexion, since muscles are at their resting length

  • 120° elbow flexion

Erklärung

Frage 19 von 35

1

What energy system is used the most during a 400 m sprint race?

Wähle eine der folgenden:

  • fast glycolysis

  • slow glycolysis

  • Phosphagen

Erklärung

Frage 20 von 35

1

Which exercise stimulates the greatest increase in axial skeleton bone mineral density?

Wähle eine der folgenden:

  • lying triceps extension

  • lat pulldown

  • shoulder press

Erklärung

Frage 21 von 35

1

Which of the following is a dietary source of an incomplete protein?

Wähle eine der folgenden:

  • eggs

  • fish

  • legumes

Erklärung

Frage 22 von 35

1

Which describes the proper position of the lumbar spine during the performance of the back squat?

Wähle eine der folgenden:

  • lordotic

  • flexed

  • kyphotic

Erklärung

Frage 23 von 35

1

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

Wähle eine der folgenden:

  • I and III only

  • II and III only

  • II and IV only

Erklärung

Frage 24 von 35

1

Dynamically pre-stretching a muscle is associated with which type of subsequent muscle action?

Wähle eine der folgenden:

  • eccentric

  • concentric

  • isometric

Erklärung

Frage 25 von 35

1

Which is an indicator of anorexia nervosa?

Wähle eine der folgenden:

  • a fear of becoming obese

  • frequent weight fluctuations

  • a binge-purge eating pattern

Erklärung

Frage 26 von 35

1

Which decreases as a result of resistance training and increases due to aerobic training?

Wähle eine der folgenden:

  • mitochondrial density

  • glycogen stores

  • creatine phosphate stores

Erklärung

Frage 27 von 35

1

Performance decrements from dehydration among aerobic athletes may begin to occur after the loss of what percentage of body mass?

Wähle eine der folgenden:

  • 3

  • 1

  • 5

Erklärung

Frage 28 von 35

1

Which competitive situations would inspire an athlete with a high motive to achieve success (MAS)?

Wähle eine der folgenden:

  • 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

Erklärung

Frage 29 von 35

1

Which is the most appropriate course of action if an eating disorder is suspected with an athlete?

Wähle eine der folgenden:

  • Monitor the athlete's food intake.

  • Provide comprehensive nutrition information.

  • Refer the athlete to the team physician.

Erklärung

Frage 30 von 35

1

All are changes to collagen fibrils within a tendon in response to a resistance training program EXCEPT increased

Wähle eine der folgenden:

  • decrease in cross section area

  • greater number of covalent cross-link with the hypertrophied fiber

  • increase in collagen fibril diameter

Erklärung

Frage 31 von 35

1

Which of the following events occurs during a concentric muscle action?

Wähle eine der folgenden:

  • 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

Erklärung

Frage 32 von 35

1

All are potential indicators of overtraining EXCEPT::

Wähle eine der folgenden:

  • increased resting blood pressure

  • decreased exercise heart rate

  • decreased muscle glycogen stores

Erklärung

Frage 33 von 35

1

When lifting maximal loads, the use of a weight belt may provide the greatest benefits when performing which of the following exercises?

Wähle eine der folgenden:

  • front squat

  • bench press

  • machine shoulder press

Erklärung

Frage 34 von 35

1

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)?

Wähle eine der folgenden:

  • decrease fat

  • increase protein

  • increase kcals

Erklärung

Frage 35 von 35

1

During a single aerobic exercise session, oxygen is delivered to the working muscles at an elevated rate due to an increase in:

Wähle eine der folgenden:

  • cardiac output.

  • total blood hemoglobin.

  • blood glucose.

Erklärung

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