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Topic 13 - Exercise and Immunity (HL)

Question 1

HLPaper 1

What is a function of the immune system?

Question 2

HLPaper 2
1.

Distinguish the characteristics of smooth and cardiac muscle.

[2]
2.

Describe the resynthesis of adenosine triphosphate (ATP) by the lactic acid (anaerobic glycolysis) system.

[4]
3.

Outline how the body responds when an athlete’s skin is exposed to injury or infection.

[4]
4.

An attacking football player moves in one direction and immediately changes to the opposite direction. This deceives the defender.

Explain the concept the attacking player is using to evade the defender.

[4]
5.

Explain the function of the diencephalon.

[6]

Question 3

HLPaper 2
1.

Identify three reasons why athletes who overtrain may be more susceptible to infection.

[3]
2.

Explain the differences in dietary recommendations for a runner during marathon training and a sedentary individual both with healthy body mass index (BMI).

[5]
3.

Explain how the hypothalamus regulates the pituitary gland.

[6]
4.

Outline the nervous control and mechanics of inspiration during exercise.

[6]

Question 4

HLPaper 1

Which training intensity most likely reduces the risk of infection in highly trained athletes?

Question 5

HLPaper 2
1.

Explain why elite athletes are generally more susceptible to infection than sedentary individuals.

[2]
2.

Explain how a complex feedback loop regulates blood glucose.

[3]
3.

Explain the phenomenon of cardiovascular drift and one method of reducing it.

[5]
4.

A table-tennis ball is hit with topspin. Apply the Bernoulli principle to the projectile motion of the ball.

[4]
5.

The diagram shows a tennis player serving.

Explain how a coach would use both the phase analysis model and the performance outcome model to teach the tennis serve.

[6]

Question 6

HLPaper 1

What causes a drop in leucocyte numbers in athletes?

Question 7

HLPaper 1

What is the role of inflammation in response to damage?

Question 8

HLPaper 1

During the Olympic Games, athletes live in a residential village. What strategy will limit the risk of illness and infection spreading among the athletes?

Question 9

HLPaper 1

How can athletes minimize their risk of infection?

Question 10

HLPaper 1

What typically results from high and prolonged training loads?

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