Chemistry · Biology

Pharmacology and Therapeutics

1,643 Questions

Engage with critical pharmacology and therapeutics questions covering drug classifications and therapeutic mechanisms. Topics include chemical absorption, medication formulations, and pharmacogenomics. This collection is useful for students preparing for medical entrance, nursing, and science competitive examinations.

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Pharmacology and Therapeutics Questions

Multiple choice oil, fibres, spices and medicine producing plants plant kingdom and the environment around us some important plants uses of plants as medicine

An alkaloid called 'reserpine' is extracted from

  1. Leaves of Sarpaganda

  2. Roots of Ashwaganda

  3. Leaves of Ashwaganda

  4. Roots of Sarpaganda

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Reserpine is an alkaloid obtained from the roots of Sarpgandha and is extensively grown in Africa on commercial level as it has medicinal importance. It is used to treat hypertension, snake bite and cholera.

Thus, the correct answer is option D. 

Multiple choice evs - i community health and hygiene disorders of nervous system drug, tobacco and alcohol consumption addiction and dependence

Benzedrine, dexedrine and methedrine are ..............

  1. Psychedelics

  2. Depressants

  3. Stimulants

  4. Opiates

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Stimulant is any drug that excites any bodily function, but more specifically those that stimulate the brain and the central nervous system,
The major stimulant drugs are amphetamines and related compounds. Amphetamine achieve their effect by increasing the amount and activity of the neurotransmitter, norepinephrine within the brain.
The most commonly used amphetamines are amphetmiane sulfate (benzedrine), dextroamphetamine sulfate (dexedrine) and methamphetamine (methedrine).
Thus, the correct answer is option C.

Multiple choice evs - i community health and hygiene disorders of nervous system drug, tobacco and alcohol consumption addiction and dependence

Which one of the following is a stimulant?

  1. LSD

  2. Cocaine

  3. Opium

  4. Heroin

  5. Cannabis

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

LSD is hallucinogenic. Opium is highly addictive narcotic drug. Heroin is derived from the morphine alkaloid found in opium and is depressant drug. Cannabis is considered depressant. 
Cocaine  belongs to the family of stimulants, which stimulate the nervous system.
Thus, the correct answer is option (A), 'Cocaine'.

Multiple choice evs - i community health and hygiene disorders of nervous system drug, tobacco and alcohol consumption addiction and dependence

Which one of the following is a matching pair of a drug and its category?

  1. Amphetamines - Stimulant

  2. Lysergic acid dimethyl amide - Narcotic

  3. Heroin - Psychotrophic

  4. Benzodiazepam - Pain killer

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Amphetamines, sometimes called "speed" or "uppers," are central nervous system stimulant drugs, that increase alertness, self-confidence and concentration and decrease appetite, while creating a feeling of increased energy. The chemical structure is similar to the naturally occurring adrenaline and noradrenaline, that is produced by the body. 

Multiple choice evs - i community health and hygiene disorders of nervous system drug, tobacco and alcohol consumption addiction and dependence

Betnelan, Decadron and Prednisolone drugs are

  1. Antinflammatory and analgesics

  2. Narcotics

  3. Opiates

  4. Steroids

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

BetneIan is a synthetic glucocorticoid, the most active of the anti-inflammatory steroids.
Decadron is used in the treatment of cancer and is classified as a glucocorticosteroid.
Prednisolone is a synthetic glucocorticoid, a derivative of cortisol, which is used to treat a variety of inflammatory and auto-immune conditions.
Thus, the correct answer is option D

Multiple choice evs - i community health and hygiene disorders of nervous system drug, tobacco and alcohol consumption addiction and dependence

Which one of the following is a matching pair of its category?

  1. Amphetamines- Stimulant

  2. Lysergic and Dimethyl amide- Narcotic

  3. Heroin- Psychotropic

  4. Benzodiazepine- Pain killer

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

LSD is hallucinogen.
Heroin is an opium.
Benzodiazepine is a sedative.
Amphetamines is a stimulant and is used to treat narcolepsy and attention deficit disorder.
Therefore, the correct answer is option A.

Multiple choice evs - i community health and hygiene disorders of nervous system drug, tobacco and alcohol consumption addiction and dependence

The mildest stimulant is

  1. Amphetamines

  2. Caffeine

  3. Cocaine

  4. Charas

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Caffeine is a central nervous system stimulant of the methylxanthine class of psychoactive drugs. It blocks the attachment of adenosine on its receptors. It is the mildest stimulant and is most widely consumed the psychoactive drug.
Thus, the correct answer is option B.

Multiple choice evs - i community health and hygiene disorders of nervous system drug, tobacco and alcohol consumption addiction and dependence

From an unripe opium fruit, the opium is extracted along with the following set of drugs:

  1. Hashish, morphine and heroin.

  2. Hashish, codeine, pethidine. morphine and methadone.

  3. Codeine, pethidine, methadone, morphine and heroin.

  4. Codeine, pethidine, methadone and cocaine.

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Opium, narcotic drug that is obtained from unripe seedpods of the opium Poppy (Papaver somniferum), a plant of the family Papveraceae.
This raw opium may be ground into  powder or treated further to obtain derivatives such as morphine, hashish, codeine and heroin.
Thus, the correct answer is option A.

Multiple choice evs - i community health and hygiene disorders of nervous system drug, tobacco and alcohol consumption addiction and dependence

Pickup the psychedelic drug amongst the following.

  1. Lysergic acid diethylamide

  2. Barbiturate

  3. Cocain

  4. Monoamine oxidase

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Psychedelic drug is a substance, whose primary action is to alter cognition and perception, typically by agonizing serotonin receptors. They are a part of hallucinogens. Psychedelic drugs include LSD or lysergic acid diethylamide, psilocybin mushrooms, mescaline, ibogeine, salvia and DMT.
Thus, the correct answer is option (A), 'Lysergic acid diethylamide'.

Multiple choice evs - i community health and hygiene disorders of nervous system drug, tobacco and alcohol consumption addiction and dependence

Among these, Opiate narcotics is/are 

  1. Opium

  2. Morphine

  3. Methadone

  4. All of the above

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

An opiate is a narcotic analgesic that directly depresses the central nervous system. Examples include various pain killers such as morphine, methadone, buprenorphine, hydrocodone, oxycodone, heroin, opium, pethidine.
Thus, the correct answer is option (D)

Multiple choice evs - i community health and hygiene disorders of nervous system drug, tobacco and alcohol consumption addiction and dependence

............... is considered as the king of narcotics.

  1. Opium

  2. LSD

  3. Alcohol

  4. Cocaine

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Opium can rightly be called 'the king of narcotics'. Perhaps no other narcotic enjoys so much popularity as opium. Strong addictive drugs, such as heroin are synthesized from it.
Thus, the correct answer is option (A), 'Opium'.

Multiple choice evs - i community health and hygiene disorders of nervous system drug, tobacco and alcohol consumption addiction and dependence

Charas, Ganja and Marijuana are

  1. Stimulants

  2. Depressants

  3. Halucinogens

  4. None of the above

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Charas is a form of hashish of cannabis. Marijuana and ganja are obtained from the hemp plant, cannabis. These all are hallucinogens meaning substance, which brings substantial changes in thoughts, emotion, and consciousness. It is a psychoactive drugs. So, the correct answer is option C.

Multiple choice evs - i community health and hygiene disorders of nervous system drug, tobacco and alcohol consumption addiction and dependence

Naloxone is given as an intravenous antidote for the overdose of

  1. Heroin

  2. Opium

  3. Librium

  4. Morphine

  5. Alcohol

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Naloxone is a pure opoid antagonist. Naloxone  is a medication used to counter the effects of opoid especially in overdose. It will usually reverse the depression of the CNS, respiratory system and hypotension.
Thus, the correct answer is option (B), 'Opium'.

Multiple choice evs - i community health and hygiene disorders of nervous system drug, tobacco and alcohol consumption addiction and dependence

Reserpine, an antihypersensitive drug is obtained from

  1. Seeds of Withania somnifera

  2. Catharanthus roseus

  3. Rauwolfia

  4. Syzygium

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Resperine, is an indole alkaloid, antipsychotic and antihypertensive drug that has been used for the control of high BP. Resperine was isolated in 1952 from the dried root of Rauwolfia serpentina or Indian snakeroot and has been used for centuries in India for the treatment of insanity and for snake bites.
Thus, the correct answer is option (C), 'Rauwolfia'.