Report Abuse. Morphine is morphine, but oral administration is subject to first pass metabolism, so the oral dosage is substantially higher than the parenteral dose. Average for analgesia in the emergency department is about 1.5 mg/kg body mass, but 10 mg in a shot is about equivalent to 60 mg in a pill.The difference here is that an oral dose enters the portal circulation, goes to the liver, and is mostly metabolized before it has a chance to get into the general circulation.verage for analgesia in the emergency department is about 1.5 mg/kg body mass, but 10 mg in a shot is about equivalent to 60 mg in a pill. The difference here is that an oral dose enters the portal circulation, goes to the liver, and is mostly metabolized before it has a chance to get into the general circulation.
As the reduction in display of emotion becomes more severe, the term blunted affect may be applied. The absence of any exhibition of emotions is described as flat affect where the voice is monotone, the face expressionless, and the body immobile. Labile affect describes emotional instability or dramatic mood swings.
What causes this problem? Mood swings and emotional lability are often caused by damage to the part of the brain that controls emotions and behavior. Often there is no specific event that triggers a sudden emotional response. In some cases the brain injury can cause sudden episodes of crying or laughing.