The minimum systolic blood pressure that one should attempt to achieve with fluid administration or vasoactive would be 90 mmHg or 12 kPa. The systolic blood pressure is the pressure exerted by the arteries during the contraction of the heart muscle. It is the top number in a blood pressure reading. The bottom number represents the diastolic pressure which is the pressure exerted by the heart muscle when at rest between beats.
YOU HAVE TO ADD CHOICES BECAUSE THIS IS NOT ENOUGH INFORMATION.
Answer: I would talk with them and tell them that alcohol in moderation is completely fine. So long as they are the legal drinking age. And that their first time to drink it I'd like for them to do it with me so we can tell what negative effects it will have on them. That and we'd know their tolerance for it.