A chronic alcoholic is diagnosed with Wernicke-Korsakoff syndrome. Which neurotransmitter deficiency is MOST directly implicated in the pathogenesis of this condition, and which specific symptom is characteristic of Korsakoff's psychosis?
Dopamine deficiency leading to hallucinations
Serotonin deficiency leading to depression
Thiamine (Vitamin B1) deficiency leading to confabulation
Acetylcholine deficiency leading to memory loss
Related Questions
Which one the following statements is false?
Psychoactive drugs have the ability to alter the activity of the nervous system
Adolescence is marked by accelerated physical growth, development of reproductive organs and changes in functioning of the neuroendocrine system
Hallucinogen can alter a personโs thoughts, feeling and perceptions
Mescaline is a stimulant
Tobacco consumption is known to stimulate the secretion of adrenaline and nor-adrenaline. The component causing this could be
Nicotine
Tannic acid
Curaimin
Heamozoin
Foetal abnormalities are caused by
Genetic factors only
Environmental factors only
Genetic and environmental factors, maternal health conditions, and nutritional deficiencies
Unknown causes only
Cannabinoid are the group of chemicals, which interact with cannabinoid receptors present principally in
Brain
Neuron
Nephron
Dendron
Consider the following statements
I. Opioids are the drugs, which bind to opioid receptors in the central nervous system and gastrointestinal tract
II. Heroin is a white, odourless, bitter, crystalline compound
III. Heroin is commonly called smack
Which of the statements given above are correct?
I and II
I and III
II and III
I, II and III
Which of the following is a common physiological effect of alcohol consumption?
Vasoconstriction
Vasodilation
Increased blood pressure
Increased heart rate
Cyclosporin and endosporins are the drugs that are used as
Immunosuppressants
Antibiotics
Antifungals
Antivirals
Alcoholism may leads to
Skin cancer
Liver cirrhosis
Viral disease
Eye infections
Excessive doses of drugs may lead to coma and death due to
Respiratory failure
Heart failure
Cerebral hemorrhage
All of the above
Diacetyl morphine is commonly known as
Morphine
Cannabis
heroin
cocaine