Why does the surgeon draw on the patient before surgery? (A) It is the name of all the surgical team members so the patient can use their names during surgery.
(B)It is a physical reconfirmation that the surgery will take place on that limb or part of the body. I
(C)t’s an autograph; it brings good luck.
(D)It is a record of the time the surgeon first saw the patient that day.

B, It is a physical reconfirmation that the surgery will be on that limb or part of the body

Once the skin is opened, it becomes more difficult to visually identify landmarks that are important in knowing where nerves/blood vessels/etc. may be. They will sometimes also use a pen to mark those landmarks on the skin so they can be more quickly and accurately located when needed.

Smoking damages the respiratory system by inhalation of a foreign substance, that is absorbed and residue is left behind on our lungs sponge like substance. the gas that is inhaled also increase your blood pressure and dilates your blood vessels. also the process of inhaling and exhaling the smoke it causes irritation to the throat and mouth. smoking can cause lung cancer and other respiratory and circulatory diseases. 

To this question it will be choice one