This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Obs), Subject name: Gynaecology & Obstetrics
Which one of the following foetal functions is the last to be affected 
Select and explain. 
A. Tone, B. Movement, C. Heart rate reactivity, D. Breathing movements
A: Tone
Answer: A: Tone 
Explanation: (A) Tone