Practice Exam 3 (No detail to answer)

Descripción

These are from practice exams
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Pregunta 1

Pregunta
All of the following sections of the sarcomere shorten during a concentric muscle action EXCEPT the
Respuesta
  • A-band
  • Distance between Z-lines
  • H-zone

Pregunta 2

Pregunta
The length-tension relationship of muscle is based on the following fact
Respuesta
  • As muscle lengthens, the tension changes and is highest at the middle length.
  • As muscle lengthens, the tension changes and is highest at the shortest length.
  • As muscle lengthens, the tension changes and is highest at the longest length.

Pregunta 3

Pregunta
This ion, stored in the sarcoplasmic reticulum, is released into the sarcoplasm to signal the beginning of the contraction process
Respuesta
  • calcium
  • potassium
  • hydrogen

Pregunta 4

Pregunta
Internal rotation of the hip takes place in this plane
Respuesta
  • transverse
  • frontal
  • sagittal

Pregunta 5

Pregunta
The joint involving the femur and tibia is an example of this type of joint
Respuesta
  • cartilaginous
  • fibrous
  • synovial

Pregunta 6

Pregunta
Josephine performs a biceps curl, lifting a weight from the extended arm position up to full flexion of the elbow. This movement provides an illustration of this type of lever system:
Respuesta
  • first-class
  • second-class
  • third-class

Pregunta 7

Pregunta
All else being equal, this type of muscle fiber arrangement will be associated with higher forces
Respuesta
  • bipennate
  • longitudinal
  • radiate

Pregunta 8

Pregunta
The primary substrate for a 50-meter sprint is
Respuesta
  • creatine phosphate
  • glucose
  • protein

Pregunta 9

Pregunta
The general recommendation for dietary fat is
Respuesta
  • 25% of total calories
  • 30% of total calories
  • 35% of total calories

Pregunta 10

Pregunta
At the beginning of aerobic exercise, before reaching steady state, an individual will be in this state
Respuesta
  • EPOC
  • lactate threshold
  • oxygen deficit

Pregunta 11

Pregunta
The hormone used illegally by some athletes to enhance red blood cell production in the body is
Respuesta
  • ephedrine
  • erythropoietin
  • growth hormone

Pregunta 12

Pregunta
Change question. Did with Marisa. In order to lose 10 pounds, an individual will have to have a deficit of this many TOTAL calories
Respuesta
  • 3,500 kilocalories
  • 35,000 kilocalories
  • 7,000 kilocalories

Pregunta 13

Pregunta
All of the following are examples of training adaptations for aerobic exercise EXCEPT
Respuesta
  • increased blood volume
  • increased capillary density
  • increased heart rate at a given rate of exercise

Pregunta 14

Pregunta
All of the following are signs of overtraining EXCEPT
Respuesta
  • increased maximal oxygen uptake
  • decreased muscle glycogen
  • increased muscle soreness

Pregunta 15

Pregunta
Which principle of training is based on the idea that one should target the sport-related energy pathways and muscle groups?
Respuesta
  • specificity
  • progression
  • overload

Pregunta 16

Pregunta
Adaptations in all of the following contribute to increases in VO2max with endurance training EXCEPT
Respuesta
  • heart rate
  • stroke volume
  • mitochondrial density

Pregunta 17

Pregunta
Sally spent her Spring break training in the heat in Florida. She pushed herself more than usual and refused to take off any days. On three days she doubled her workout by running her program in the morning and again in the evening. When she returned from break, she found that her resting heart rate was higher than normal. This increase in heart rate was likely due to this
Respuesta
  • overtraining syndrome
  • detraining
  • overload

Pregunta 18

Pregunta
Which of the following is the most effective type of exercise for optimizing sport-specific muscular strength for well-trained athletes?
Respuesta
  • core exercises
  • structural exercises
  • assistance exercises

Pregunta 19

Pregunta
This training goal requires the longest recovery time between sets:
Respuesta
  • muscular endurance
  • muscular hypertrophy
  • muscular strength and power

Pregunta 20

Pregunta
Which of the following is an approximate rest interval for a middle distance runner performing 800-meter (875-yd) running intervals in 2 minutes?
Respuesta
  • 2 minutes
  • 4 minutes
  • 6 minutes

Pregunta 21

Pregunta
165-pound (75-kg) athlete has an average daily intake of 450 grams of carbohydrate, 75 grams of protein, and 100 grams of fat. What percent of the total kilocalorie intake is carbohydrate?
Respuesta
  • 72
  • 60
  • 45

Pregunta 22

Pregunta
11a-pound (50-kg) marathon runner started her pre-race taper and chose to carbohydrate load prior to the race. Approximately how many grams of carbohydrates should she consume per day?
Respuesta
  • 100grams
  • 500grams
  • 880grams

Pregunta 23

Pregunta
6-foot, 2-inch (188 cm), 220-pound (100-kg) college football player desires to gain muscle weight. Which of the following should be his first nutritional priority if his current 3000 calories/day intake consists of 18% protein 
(1.4g/kg), 55% carbohydrate (4.1 g/kg), and 27% fat (0.9g/kg)?
Respuesta
  • increase calories 

  • increase protein
  • decrease fat

Pregunta 24

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

Pregunta 25

Pregunta
Which of the following identifies the layer of connective tissue enveloping a single muscle fiber?
Respuesta
  • Endomysium
  • Perimysium
  • Epimysium

Pregunta 26

Pregunta
Which of the following lever classes has the fulcrum at one end and the effort is applied between the fulcrum and the load?
Respuesta
  • First Class
  • Second Class
  • Third Class

Pregunta 27

Pregunta
Which of the following shoulder movements and planes of action are associated with the upward movement phase of the side lateral shoulder raise exercise?
Respuesta
  • adduction/sagittal
  • adduction/frontal
  • abduction/frontal

Pregunta 28

Pregunta
How many amino acids must be found in your diet and cannot be manufactured by your own body?
Respuesta
  • 7
  • 9
  • 11

Pregunta 29

Pregunta
Which of the following is not a byproduct of protein breakdown?
Respuesta
  • Enzymes
  • Hydrogen
  • Nitrogen

Pregunta 30

Pregunta
An untrained college-aged athlete begins a resistance training program. After training for three weeks, her strength increases dramatically. Which of the following is the most influential factor responsible for this improvement?
Respuesta
  • improved neuromuscular efficiency
  • improved ratio of muscle to fat components
  • increased cross-sectional area of Type I fibers

Pregunta 31

Pregunta
What is the MINIMUM amount of carbohydrates that a 132-pound (60 kg) competitive Olympic triathlete should consume on a daily basis?
Respuesta
  • 480 grams
  • 960 grams
  • 1,920 grams

Pregunta 32

Pregunta
Which of the following causes the greatest increases in bone mineral density?
Respuesta
  • Axial loading
  • Open kinetic chain exercises
  • Single joint assistance exercises

Pregunta 33

Pregunta
A college American football player weighs 210 pounds and would like to increase his muscle mass and strength. He is currently consuming 2800 calories per day and that has allowed him to maintain his weight. If he wishes to gain 10 pounds in 8 weeks, about how many extra calories should he consume each day?For the purposes of this question assume all of the weight gain will be lean body mass.
Respuesta
  • 625
  • 575
  • 450
  • 375
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