A) Smoking
B) LSD
C) Dopamine
D) Alcohol consumption
Correct Answer: D
Solution :
Alcohol consumption results in dilation of blood vessels, which causes an increased lose of body heat from skin and may Cause a life threatening decrease in temperature of body. The lowering of body temperature is called hypothermia. Smoking is the greatest contributary factor in host causes Emphysema (in this the alveolar walls lose their elasticity and remain filled with air during expiration). Many people with chronic bronchitis also suffer from Emphysema, which is made worse by smoking. LSD (Lysergic acid diethylamide or lysergide) is a potent synthetic hallucinogenic drug that is derived from ergot alkaloid. The individual taking this drug becomes increasingly suspicious of the intention and motive of those around him. The drug brings about rapid heart beat, high BP, higher body temperature (pupillary dilation etc. It may lead to unconsciousness and even death. Dopamine is a catecholamine that is precursor in the synthesis of noradrenalin and adrenalin. It also functions as a neuro transmitter especially in brain.
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