Suppose a man is trapped in a fire. The room is filled with smoke and he can no

Question

Suppose a man is trapped in a fire. The room is filled with smoke and he can no longer see his surroundings. Somehow, the man finds a door and touches the handle to see if it is a possible escape route. The handle is extremely hot so he does not open the door. He tries another door handle, it's much cooler than the first so he opens the door and crawls out of the building. The paramedics on scene tell the man has suffered second-degree burns and is lucky to be alive. a. What component of his skin informed the man he was touching the door? (Remember, the room was filled with smoke and he could not see.) b. What component of his skin informed the man that the handle was hot? c. How do you think the paramedic determined he has second-degree bums?

Explanation / Answer

A ) Mechanoreceptor (commonly called) or merkel nerve ending which are present in dermis were responsible for the information that the person were holding the door handle as these receptors have a very large network of nerves which sends information to the brain and relate the shape size and surface of obect.

B) hemoreceptor which resides in the dermis region told the person that the door handle is hot.

C) The different degree of burns has different characteristics but the pain is present in every type. the first degree of burn has basic characteristic such as redness (rubor) and inflammation. Second degree posses blister formations which are completely filled with fluid( such as   serum and plasma majorly) . and surrounding area of blister have reddish appearance.

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