Tag: disorders of nervous system

Questions Related to disorders of nervous system

Opium, morphine, heroin, pethidine and methadone are collectively called 

  1. Tranquillizers

  2. Stimulants

  3. Hallucinogens

  4. Opiate narcotics


Correct Option: D
Explanation:

Opiates are powerful painkillers and are made of opium, a white liquid in the poppy plant. Opiates produce a quick, intense feeling of pleasure followed by a sense of well-being and calm.
These include heroin, morphine, codeine, methadone, oxycontin etc.
Thus, the correct answer is option D.

Hallucinogens

  1. Are nerve depressants

  2. Are nerve stimulants

  3. Alter thoughts, feelings and perceptions

  4. Are pain relievers


Correct Option: C
Explanation:

Hallucinogens are drugs that generally produce dream-like state with disorientation and loss of contact with reality without any true sensory stimulus. These drugs change mood, behaviour, thoughts and perception in a manner like that of seen in psychosis. So, the correct answer is option C.

Marijuana is extracted from

  1. Dried leaves and flowers of hemp plant

  2. Ergot fungus

  3. Cocoa plant

  4. None of the above


Correct Option: A
Explanation:

The products of hemp plant, cannabis sativa like Marijuana, Bhang, Ganja, Charas (also called as 'Hashish' in some countries like America) etc., Tetrahydrocannabinol (THC) is present in hemp plant.

Cyclosporin A, an immunosuppressive drug is produced by

  1. Aspergillus niger

  2. Monascus purpureus

  3. Penicillium notatum

  4. Trichoderma polysporum


Correct Option: D
Explanation:

Cyclosporin is used as immuno depressant, this drug is derived from a fungus Trichoderma polysporum and inhibit the activity of helper - T cells, thus help to prevent rejection of organ transplant.

Drugs that cause malformation in embryo during pregnancy are called as

  1. Tranquillizers

  2. Teratogens

  3. Alcoholic beverages

  4. Nicotin


Correct Option: B
Explanation:

Some drugs cause foetal abnormalities, when given to a pregnant women. These are called teratogens. The most well-known synthetic teratogen is thalidomide.

Which of the following, stimulates the heart?

  1. Mescaline

  2. Epinephrine

  3. LSD

  4. Hashish


Correct Option: B
Explanation:

Mescalin, LSD and hashish are hallucinogens and they affect the regions of the brain that are responsible for coordination, thought processes, hearing and sight.
Epinephrine is a hormone and a neurotransmitter. It binds to beta-adrenergic receptors on heart muscle cells. This causes the contraction rate of the heart to increase.
Thus, the correct answer is option B.

Ingestion of marijuana leads to illusions and alters the thoughts, feelings and perceptions of a person. Marijuana is a

  1. Narcotic

  2. Stimulant

  3. Hallucinogen

  4. Sedative


Correct Option: C
Explanation:

Marijuana is a hallucinogen that causes altered perception and feeling. They have powerful mind-altering effects and can affect the regions of the brain that are responsible for co-ordination, thought processes, hearing and sight.
Thus, the correct answer is option C.

Which of the following is an opiate narcotic?

  1. Barbiturates

  2. Morphine

  3. Amphetamines

  4. LSD


Correct Option: B
Explanation:

Opiates e.g., morphine, heroin, pethidine (meperidine), codeine and methadone have narcotic, analgesic, sedative and anti-stringent (that cause contraction of body parts) effects.

The tobacco protein induced arteriosclerotic disease is

  1. Aneurysm

  2. Polyarteritis nodosa

  3. Thromboangiitis obliterans

  4. DVT


Correct Option: C
Explanation:

Thromboangiitis obliterans, also called Buerger disease is a rare disease caused by small blood vessels that become inflamed and swollen. The blood vessels, then narrow or become completely blocked by the blood clots (Thrombosis). Blood vessels of the hand and feet are especially affected. This condition mostly affects young men, ages, 20-40, who are heavy smokers or chew tobacco.
Thus, the correct answer is option (A), 'Thromboangiitis obliterans'

Amnesia is

  1. Loss of memory

  2. Loss of filtration capacity of kidney

  3. Loss of appetite

  4. Loss of blood


Correct Option: A
Explanation:

Pathological impairment of memory is termed as amnesia. It is caused mainly due to some accident or on the prolonged medicinal dose. Cerebrum is mainly affected due to amnesia.

So, the correct answer is option A.