Practice A.2 Hydration and nutrition with authentic IB Sports, exercise and health science (SEHS) exam questions for both SL and HL students. This question bank mirrors Paper 1A, 1B, 2 structure, covering key topics like core principles, advanced applications, and practical problem-solving. Get instant solutions, detailed explanations, and build exam confidence with questions in the style of IB examiners.
Paper
Level
Question 1
SLPaper 2
1.
Identify a source of indispensable amino acids.
2.
Outline the roles of protein.
3.
Describe indispensable amino acids.
Question 2
SL & HLPaper 1A
What is the main effect of low sodium levels (hyponatremia) during endurance events?
Question 3
SL & HLPaper 1A
Which is the most common electrolyte lost in sweat during exercise?
Question 4
SL & HLPaper 1A
Why is the lactate inflection point important for endurance athletes?
Question 5
SL & HLPaper 1A
Why is VO₂max considered a good predictor of endurance performance?
Question 6
SL & HLPaper 1A
During rest, which macronutrient provides the majority of energy for body functions?
Question 7
SL & HLPaper 1A
Which mechanism causes water to follow sodium during rehydration?
Question 8
SLPaper 2
The diagram shows a skeletal muscle.
1.[3]
Identify the structures A, B and C in the diagram.
2.[1]
Define the term origin of a muscle.
3.[3]
Explain the role of ATP in providing energy for a sprinter’s muscles to contract.
4.[3]
Explain reciprocal inhibition during knee extension when kicking.
5.[3]
The diagram shows the lower leg.
Identify the elements A, B and C of the lever system.
6.[1]
Using anatomical terminology, state the location ofthe tibia relative to the femur.
7.[1]
Using anatomical terminology, state the location ofthe fibula relative to the tibia.
8.[1]
Using anatomical terminology, state the location ofthe patella relative to the tibia.
Question 9
SL & HLPaper 1A
Why is potassium important for recovery after intense training?
Question 10
SL & HLPaper 1A
Why is sodium essential in maintaining fluid balance during exercise?