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Topic 8 - Endocrine System (HL)

Question 1

HLPaper 1

An athlete is given a cognitive test before and after an athletic performance. The test results are worse after the athletic performance. Which condition is the athlete experiencing?

Question 2

HLPaper 1

What is the endocrine organ labelled X in the diagram?

Question 3

HLPaper 2

The diagram shows a cross section through a human brain.

1.

Identify the structures A and B in the diagram.

[2]
2.

List two functions of the frontal lobe of the brain.

[2]
3.

Outline three different types of exteroceptor sensory inputs for a football player duringa game.

[3]

Question 4

HLPaper 1

Which applies to circulating hormones?

Question 5

HLPaper 2
1.

List two structures of the ventilatory system.

[2]
2.

Describe the function of the conducting airways in maintaining a healthy state.

[2]
3.

Explain the variability in VO2max in the following groups:trained and untrained.

[2]
4.

Explain the variability in VO2max in the following groups: young and old.

[2]
5.

Explain the variability in VO2max in the following groups: male and female.

[2]
6.

Describe the source and role of insulin and glucagon in the body.

[6]
7.

With reference to specific hormones, discuss the relationship between the hypothalamus and the pituitary gland.

[4]

Question 6

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 7

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 8

HLPaper 1

What factor determines if circulating hormones will elicit a response in target organs?

Question 9

HLPaper 1

What controls the release of antidiuretic hormone (ADH) to the body?

Question 10

HLPaper 1

How are circulating hormone levels regulated?

I. Feedback loops

II. Signals from the nervous system

III. Chemical changes in the blood and other hormones

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