HMS, TIP 2015 HSC 19 MC

Which of the following graphs is most likely to represent an athlete's haemoglobin concentration while training at different altitudes for up to four weeks?

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\(B\)

Show Worked Solution

B is correct: Haemoglobin increases at higher altitude as physiological adaptation.

Other Options:

A is incorrect: Altitude training increases not decreases haemoglobin levels.
C is incorrect: Body adapts to altitude by increasing haemoglobin concentration.
D is incorrect: Haemoglobin shows consistent increase not random fluctuation.