A person was found lying face down in the woods. Lividity had set in on his back and buttocks, and there was a white line encircling his left wrist. When the skin was pressed the color did not change. Based on the information, how long has the person been dead? What caused the white line in his left wrist?
There must not be any oxygen left for the blood to continue to circulate for the cells to function. So, this will happen around 24 hours following a death.
What is lividity?The body would be disintegrating and the skin would be changing colors if it were any longer. Lividity in the fingers is a sign of death if the individual is lying on their stomach or if the corpse has been moved after death.
His back and buttocks were livid, and his left wrist had a white line around it. The hue did not alter when the skin was squeezed.
Within two hours of death, the corpse begins to display signs of lividity, by pushing on the corpse and observing the color change that takes place, it is possible to estimate the time of death of the subject.
Therefore, lividity is a condition where the skin becomes bluish-purple after a person has passed away.
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Ellen's doctor wants an x-ray of her left arm. This can be done along the sagittal plane. True or false?
Answer:
False (Maybe)
Explanation:
HIV predominantly infects T-helper cells, cells that are responsible for coordinating B- and T-cell activity. Based on this information, explain why HIV-infected individuals are at a very high risk for developing microbial infections. List the causative agent (virus) and discuss its properties. Name and briefly discuss 3 diseases that AIDS patients are more likely to contract.(Terminology to use: opportunistic pathogens, T and B cell purposes, CD4 cells, retrovirus, reverse transcription)
Answer:
Since the T-helper cells are infected, those who are infected are more susceptible to microbial infections since their immune systems are impaired.