YMCA L3 Anatomy - Energy Systems

20 Questions | By Hodgesd | Updated: Mar 20, 2022 | Attempts: 320

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1.

Which by-product of the energy systems can cause muscle fatigue?
- A.
  
  Lactic acid
- B.
  
  Oxaloacetic acid
- C.
  
  Creatine phosphate
- D.
  
  Calcium
2.

Approximately how long is continuous exercise using the lactic acid energy system sustainable?
- A.
  
  2-3 minutes
- B.
  
  Up to a minute
- C.
  
  5 minutes +
- D.
  
  3-4 minutes
3.

What activities use predominantly the phosphocreatine (PC) energy system?
- A.
  
  100m sprint
- B.
  
  400m run
- C.
  
  1.5 mile run
- D.
  
  Canoeing against a current
4.

What activities use the highest proportion of fat as a fuel compared to glycogen?
- A.
  
  Marathon running
- B.
  
  Weight lifting
- C.
  
  Box jumps
- D.
  
  400m run
5.

What is the body's fuel of choice?
- A.
  
  Glucose
- B.
  
  ADP
- C.
  
  Glycogen
- D.
  
  ATP
6.

What is the body's energy currency?
- A.
  
  ATP
- B.
  
  ADP
- C.
  
  Carbohydrates
- D.
  
  Glucose
7.

Where does the energy come from to rebuild ADP to ATP?
- A.
  
  Creatine phosphate
- B.
  
  Calcium
- C.
  
  Lactic Acid
- D.
  
  Oxygen
8.

Which energy system will fast twitch muscle fibres use for energy production?
- A.
  
  Phosphocreatine
- B.
  
  Aerobic
- C.
  
  Anaerobic
- D.
  
  Lactic Acid
9.

Complete the sentence: Glycolysis is the breakdown of
- A.
  
  Glycogen into pyruvic acid
- B.
  
  ATP to ADP
- C.
  
  Adenosine to creatine phosphate
- D.
  
  Oxygen to carbon dioxide
10.

What does the term ‘onset of blood lactate accumulation’ (OBLA) mean?
- A.
  
  The point at which lactic acid accumulates faster than it can be removed
- B.
  
  The point at which citric acid accumulates faster than it can be removed
- C.
  
  The point at which pyruvic acid accumulates faster than it can be removed
- D.
  
  The point at which lactic phosphate accumulates faster than it can be removed
11.

Which energy system works in the presence of oxygen?
- A.
  
  Aerobic
- B.
  
  Anaerobic
- C.
  
  Lactic acid
- D.
  
  Phosphocreatine
12.

Which energy system produces large amounts of ATP?
- A.
  
  Aerobic
- B.
  
  Anaerobic
- C.
  
  Lactic acid
- D.
  
  Phosphocreatine
13.

What is the main by-product of the aerobic system?
- A.
  
  Carbon dioxide
- B.
  
  Lactic acid
- C.
  
  Oxygen
- D.
  
  ADP
14.

At which point is OBLA or anaerobic threshold met?
- A.
  
  4mmol
- B.
  
  3mmol
- C.
  
  6mmol
- D.
  
  8mmol
15.

What is a common physiological adaptation when training the ATP-PC system?
- A.
  
  Hypertrophy of the muscles
- B.
  
  Increased capiliarisation
- C.
  
  Better utilisation of oxygen
- D.
  
  Increased myoglobin stores
16.

What is a common physiological adaptation when training the lactic acid system?
- A.
  
  Improved muscular strength
- B.
  
  Increased cardiovascular strength
- C.
  
  Increased ability to mobilise fat as fuel
- D.
  
  Improved motor unit recruitment
17.

Which of the following is not a common physiological adaptation when training the aerobic system?
- A.
  
  Delayed onset blood lactate accumulation
- B.
  
  Increased mitochondria
- C.
  
  Increase in blood volume
- D.
  
  Increased ability to work at a higher VO2 max
18.

From which of the following is glucose easily accessed from
- A.
  
  Simple carbohydrates
- B.
  
  Complex carbohydrates
- C.
  
  Protein
- D.
  
  Fat
19.

How long does the ATP-PC system last?
- A.
  
  3-4 seconds
- B.
  
  10 seconds
- C.
  
  7-8 seconds
- D.
  
  12-15 seconds
20.

How long does ATP take to resynthesise?
- A.
  
  3-5 minutes
- B.
  
  10 minutes
- C.
  
  1-2 minutes
- D.
  
  6-8 minutes