True or False: At doses up to 5 Gy, epilation and erythema will not recover back to normal.

The statement is false because doses up to 5 Gy are generally considered to be within a range where the skin can recover from effects such as epilation (hair loss) and erythema (reddening of the skin).

When the skin is exposed to radiation, it can undergo temporary damage, leading to symptoms like erythema and hair loss. However, in many cases, especially at lower doses like those around 5 Gy or less, these effects are often transient. The skin has a remarkable ability to heal itself, thanks to the proliferation of skin cells that can regenerate after exposure. Healing mechanisms, including cellular repair and turnover of affected tissue, generally allow the skin to return to its normal state after a period of recovery.

At doses exceeding this threshold or in cases with more complicated exposure scenarios, more severe effects could lead to longer-lasting or permanent damage, but within the context of this question, the 5 Gy threshold is generally manageable for skin recovery. Thus, it is accurate to state that at doses up to 5 Gy, the skin can indeed recover back to normal, typically without lasting effects like permanent hair loss or prolonged erythema.