Science Behind Accurate Exercise Programs Unit 5

33 Questions | By Mxrcxnxnxz | Updated: Mar 19, 2022 | Attempts: 63

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Science behind accurate exercise programs

Questions and Answers

1.

Muscle glycogen is the primary fuel source used during endurance exercise.
- A.
  
  True
- B.
  
  False.
2.

ATP stands for:
- A.
  
  Alpha tri-peptide
- B.
  
  Adenosine triphosphate.
- C.
  
  Amino tri-peptide
- D.
  
  Active transport pathway
3.

The ATP/CP pathway is sufficient is sufficient for over five minutes of ATP production.
- A.
  
  True
- B.
  
  False.
4.

The fuel source for the phosphate system is:
- A.
  
  Blood glucose
- B.
  
  Fatty acids
- C.
  
  Stored ATP (adenosine triphosphate).
- D.
  
  Glycogen
5.

The Lactic Acid System (anaerobic glycolysis):
- A.
  
  Supplies energy needed to walk or cycle continuously
- B.
  
  Provides energy to pitch a baseball
- C.
  
  Creates energy need to pass another 5K participant with a burst on energy.
- D.
  
  Does none of these
6.

Once the BLT (Blood Lactate Threshold) has been reached, the dominant energy system present is:
- A.
  
  Lactic acid.
- B.
  
  Aerobic
- C.
  
  Creatine
- D.
  
  Oxidative
7.

Aerobic glycolysis ultimately leads to the formation and significant accumulation of lactic acid.
- A.
  
  True
- B.
  
  False.
8.

The preferred fuel for the body during high intensity exercise is:
- A.
  
  Fat
- B.
  
  Protein
- C.
  
  Carbohydrates.
- D.
  
  Water
9.

Energy from fat is virtually unlimited in the present of sufficient oxygen.
- A.
  
  True.
- B.
  
  False
10.

Which of the following is not a characteristic of a non-specidic warm up?
- A.
  
  Permits a gradual increase in metabolic requirements
- B.
  
  Increases heart stress to prepare the body for more vigorous activity.
- C.
  
  Prevents the premature onset of blood lactic acid accumulation and premature fatigue
- D.
  
  Enhances neural transmission for muscle contraction and motor-unit recruitment
11.

An active cool down of mild to moderate exercise means that client will continue to exercise at an intensity equal to that of what they used during the main body of their cardio-respiratory workout.
- A.
  
  True
- B.
  
  False.
12.

Lactic acid is not a waste product
- A.
  
  True.
- B.
  
  False
13.

The body is aerobic because the heart, brain, and nerves need a constant supply of ______________to meet their energy demands and sustain cellular life.
- A.
  
  Glycogen
- B.
  
  Carbohydrates
- C.
  
  Oxygen.
- D.
  
  Protein
14.

When a muscle contracts and exerts force, the energy used is:
- A.
  
  Protein
- B.
  
  Carbohydrates
- C.
  
  Fat
- D.
  
  ATP.
15.

___________is the amount of force exerted on the arterial wall.
- A.
  
  Cardiac output
- B.
  
  Heart rate
- C.
  
  Blood pressure.
- D.
  
  Stroke volume
16.

In healthy people the __________changes little from rest to maximal levels of exercise.
- A.
  
  Pulse
- B.
  
  Cardiac output
- C.
  
  Diastolic blood pressure (DBP).
- D.
  
  Stroke volume (SV)
17.

According to McArdle, Katch and Latch, lactic acid removal is accelerated by:
- A.
  
  Recovery intensity above lactate-accumulation threshold
- B.
  
  Aerobic activity that has reached steady rate.
- C.
  
  Lying down or resting
- D.
  
  Working >85% HHR (Heart Rate Reserve)
18.

Which of the following does not increase with endurance training?
- A.
  
  Capillary density
- B.
  
  Mitochondria
- C.
  
  Aerobic enzymes
- D.
  
  Blood pressure.
19.

Muscle is composed mainly of water and protein
- A.
  
  True.
- B.
  
  False
20.

Which of the following is the correct sequencing of the microstructure of skeletal muscle?
- A.
  
  Muscle fiber, myofibrils, myofilaments, and sarcomeres.
- B.
  
  Sarcomemma, sarcoplasm, sarcoplasmic reticulum and sarcomeres
- C.
  
  Muscle fiber, myofilaments, actin, and myosin
- D.
  
  Motor unit, motor nerve, sarcoplasm and sarcomeres
21.

Type I muscle are aerobic
- A.
  
  True.
- B.
  
  False
22.

Slow Twitch muscle fibers are used for.
- A.
  
  Long distance running.
- B.
  
  Downhill skiing
- C.
  
  Volleyball
- D.
  
  High jump
23.

Which of the following is not a characteristic of fast twitch muscles fibers?
- A.
  
  Generate energy very quickly
- B.
  
  Are involved in high short duration work
- C.
  
  Develop tension twitch as fast at slow twitch muscle fiber
- D.
  
  Have a high concentration of mitochondria.
24.

In absolute measures of strength, men are approximately ___percent stronger than women in total body strength.
- A.
  
  10
- B.
  
  35.
- C.
  
  55
- D.
  
  75
25.

Progressive and intense resistance training stimulates an increase in the cross-sectional area of both slow twitch and fast twitch muscle fibers.
- A.
  
  True.
- B.
  
  False