How often are codes usually updated?

Assuming each patient is unresponsive, not breathing, and shows no signs of circulation, in which one of the following situations should attempts at resuscitation be withheld?

A) A self-inflicted gunshot wound has destroyed the face and head above the lower jaw. B) The patient's family says that they "don't want him hooked up to a machine." C) It is not known how long he has been this way (not breathing, no pulse), but his skin is warm. D) The nursing home staff states the patient has a do not resuscitate order, but they are not able to find it.

Health risks significantly increase as BMI increases over 25

Indicate whether the statement is true or false