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.

Chemical absorption routesDrug formulation typesMedication mechanismsEnzyme inhibitorsPharmacogenomic tests

Pharmacology and Therapeutics Questions

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

Psilocybin, Mescalin and LSD can be grouped under

  1. Hallucinogenic drugs

  2. Opiate drugs

  3. Stimulants

  4. All of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Psilocybin is naturally occurring psychedelic compound, which has mind-altering effects like visual and mental hallucinations.
Mescalin is a naturally occurring psychedelic alkaloid of the phenethylamine class, known for its hallucinogenic effects.
LSD or lysergic acid diethylamine is a psychedelic drug of the ergoline family, which is known very well for its hallucinogenic effect.
Thus, the correct answer is option (A), 'Hallucinogenic drug'.

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

Diacetyl morphine is commonly known as

  1. Morphine

  2. Cannabis

  3. Heroin

  4. Cocaine

  5. Hashish
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Morphine is didehydro epoxy methylmorphinan diol.
Cannabis is tetrahydrocannabinol.
Heroin is diacetyl morphine.
Cocaine is benzoyl-methyl-ecgonine.
Hashish is similar to that of cannabis.
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

Methadone is a

  1. Narcotic Opiate

  2. Sedative

  3. Stimulant

  4. Tranquillizer
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Methadone is an opioid medication, sometimes called narcotic and is used as pain reliever and as part of drug addiction.
Methadone reduces withdrawal symptoms in people addicted to heroin or other drugs without causing the 'high' associated with the drug addiction.
Thus, the correct answer is option (A), 'Opiate narcotic'.

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 the correct match?

  1. Morphine - antidepressant

  2. Opiate - cocaine

  3. Reserpine - tranquilizer

  4. Bhang - hallucinogen
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Morphine is an opiate narcotic.
Cocaine is a stimulant.
Resperine is an anti-hypertensive drug.
Bhaang is the preparation from cannabis plant and is a hallucinogen.
Thus,the correct answer is option (D), 'Bhang-hallucinogen'.

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

Which one is a hallucinogen?

  1. LSD

  2. Heroin

  3. Morphine

  4. Cocaine
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Lysergic acid diethylamide or LSD is a psychedelic drug of the ergoline family which include altered thinking processes, closed and open-eye visuals, synesthesia, an altered sense of time. So, it is a hallucinogen.
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

Marijuana and LSD are

  1. Narcotics

  2. Hallucinogens

  3. Stimulants

  4. All of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Halucinogens are psychoactive agents which can cause hallucinations, perception anomalies and other substantial changes in thoughts, emotions and consciousness.  Marijauna, LSD and Ganja are all examples of hallucinogens.
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

LSD is obtained from

  1. Cannabis

  2. Clavicep

  3. Fusarium

  4. Nostoc
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Lysergic acid diethylamide or LSD is a psychedelic drug of the ergoline family - which include altered thinking processes, closed- and open-eye visuals, synesthesia, an altered sense of time. LSD can be derived from the ergot alkaloids, by the fungus Clavicep purpurea.
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

Opiates narcotics are

  1. Morphine, codeine, heroin

  2. Morphine, barbiturates, caffeine

  3. Codeine, heroin, cocaine

  4. Cocaine, caffeine, codeine
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Opiates are a group of drugs that are used for treating pain. They are derived from opium which comes from the poppy plant. Opiates go by a variety of names including opiates, opioids and narcotics. The term opiates are sometimes used for close relatives of opium such as codeine, morphine and heroin.
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 most highly addictive of the drugs is

  1. Heroin

  2. LSD

  3. Alcohol

  4. Barbiturates
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Heroin is a highly addictive illegal drug. It is used by millions of addicts around the world who are unable to overcome the urge to continue taking this drug everyday of their lives. Heroin is made from the resin of poppy plants, Milky, sap-like opium is first removed from the pod of the poppy flower. This opium is refined to make morphine, then further refined into different forms of the heroin
So, the correct answer is 'Heroin'

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

Opium derivative is/are

  1. Morphine

  2. Codeine

  3. Heroin

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Opium is the dried latex obtained from the opium poppy (Papaver somniferum). There are many opium derivatives that are used widely in the medical field, such as morphine and codeine while others, like heroin are used on the streets.
Therefore, 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

The drugs which relieve intense pain are

  1. Hallucinogens

  2. Opiates

  3. Stimulants

  4. Sedatives
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Opiates are medications that relieve pain. They reduce the intensity of the pain signals reaching the brain and affect those brain areas controlling emotions, which diminishes the effects of a painful stimulus.
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

Most potent hallucinogenic drug is

  1. Charas

  2. Bhang

  3. Hashish

  4. LSD
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A hallucinogen is a psychoactive agent which can cause hallucinations, perception anomalies and other substantial subjective changes in thoughts, emotion and consciousness.
LSD is the most powerful hallucinogenic (mind-altering) drug. It is 100 times more potent than hallucinogenic mushrooms. 
Therefore, 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

Select the correct statements from the ones given below.

  1. Cocaine is given to patients after surgery as it stimulates recovery.

  2. Barbiturates is given to criminals to make them tell the truth.

  3. Morphine is often given to persons, who have undergone surgery as a pain killer.

  4. Chewing tobacco lowers blood pressure and heart rate.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
Cocaine is a powerfully addictive stimulant drug made from the leaves of the coca plant. It produces short-term euphoria, in addition to potentially dangerous physical effects like raising heart rate and blood pressure. Cocaine is a strong central nervous system stimulant that increases levels of the neurotransmitter dopamine in brain circuits regulating pleasure and movement.
Barbiturates are a group of drugs in the class of drugs known as sedative-hypnotics, which generally describes their sleep-inducing and anxiety-decreasing effects. Benzodiazepine use has largely replaced barbiturates in the medical profession.
Morphine is an opioid pain medication. An opioid is sometimes called a narcotic. Morphine is used to treat moderate to severe pain. Short-acting formulations are taken as needed for pain. Morphine is not for treating short-term pain just after surgery unless you were already taking morphine before the surgery. 
Chewing tobacco is very harmful for heart and blood pressure. 
Hence, 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

The drugs used by weight conscious peoples to reduce appetite and increase alertness are

  1. LSD

  2. Morphine

  3. Amphetamines and cocaine

  4. Aspirin
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Stimulants are a class of drugs that elevate mood, increase feelings of well-being, and increase energy and alertness. Stimulants can cause the heart to beat faster and will also cause blood pressure and breathing to elevate. Such stimulants include cocaine, amphetamine, nicotine, caffeine.
Thus, the correct answer is option (C), 'Amphetamines and cocaine'.

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

Among these, ............... is not a hallucinogen

  1. Marijuana

  2. LSD

  3. Ergot

  4. Amphetamine
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Hallucinogens are natural and synthetic substances that when, ingested alter one's state of consciousness.
Cannabis, commonly known as marijuana is a psychoactive drug and is considered natural hallucinogen. LSD or lysergic acid diethylamide is a very strong hallucinogen. A form of LSD synthesized many important ergot alkaloids, which are all hallucinogens.
Amphetamine, on the other hand, is a potent CNS stimulant of the phenethylamine class used to treat narcolepsy and attention deficit disorder.
Thus, the correct answer is option (D), 'Amphetamine'.