Chemistry · Biology

Pharmacology and Therapeutics

1,699 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 evs - i community health and hygiene drugs and its types drug, tobacco and alcohol consumption innate and learned behaviour

THC is an ingredient associated with

  1. Papaver

  2. Cannabis

  3. Erythroxylon

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

THC is the abbreviated form of tetrahydrocannabinol. It is one of the compounds found in the resins which are secreted by the glands of Cannabis plant. It is considered as the mind-altering ingredient. The drug shows many physiological effects on the individual's memory, concentration, co-ordination, thinking, perception, movements, etc. The drug is considered to be a hallucinogen and recreates environment in the individual's mind which is not existing in reality.

Therefore, the correct answer is option B. 

Multiple choice evs - i community health and hygiene drugs and its types drug, tobacco and alcohol consumption innate and learned behaviour

Which one of the following statements is correct?

  1. Heroin accelerates body functions.

  2. Malignant tumours never exhibit metastasis.

  3. Patients who have undergone surgery are given cannabinoids to relieve pain.

  4. Benign tumours show the property of metastasis.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Heroin is an opiate, which produces a quick, intense feeling of pleasure followed by a sense of well-being and calm.
Metastasis is the property of malignant tumors (and not benign tumors) to spread from one place to another in the body.
Cannabinoids (THC) appears to ease moderate pain (analgesic) and to be neuroprotective and hence is given after surgeries.

Multiple choice evs - i community health and hygiene drugs and its types drug, tobacco and alcohol consumption innate and learned behaviour

Ibuprofen is a/an

  1. Opiate

  2. Steroid

  3. Analgesic

  4. None of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Ibuprofen is a non-steroidal anti-inflammatory drug, which works by reducing the hormones that cause inflammation and pain in the body. Ibuprofen is so used to reduce fever and treat pain  (analgesic) and inflammation caused by many conditions like toothache, headache, back pain, arthritis etc.
Thus, the correct answer is option C

Multiple choice zoology biology in human welfare drugs and its types drug, tobacco and alcohol consumption community health and hygiene

The drug which does not have sedative effect but along with alcohol produces marked drowsiness is

  1. Barbiturate

  2. Valium

  3. Antihistamine

  4. Marijuana
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
Antihistamines are medicines often used to relieve symptoms of allergies, such as hay fever, hives, conjunctivitis and reactions to insect bites or stings.
They're also used to prevent motion sickness and as a short-term treatment for sleeping difficulties (insomnia). It's best to avoid alcohol while taking an antihistamine, particularly if taking an older type of antihistamine, as this can increase the chances of it making you feel sleepy.
So the correct answer is 'Antihistamine'.
Multiple choice evs - i community health and hygiene drugs and its types drug, tobacco and alcohol consumption innate and learned behaviour

Which one of the following is a correct match?

  1. Bhang- Analgesic

  2. Cocaine- Opiate narcotics

  3. Morphine- Hallucinogen

  4. Barbiturate- Tranquilizer
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
Bhang is also known as marijuana and by numerous other names, is a preparation of the Cannabis plant intended for use as a psychoactive drug.
Cocaine, also known as benzoylmethylecgonine or coke, is a strong stimulant mostly used as a recreational drug. 
Morphine is an opioid pain medication. It is used to treat moderate to severe pain.
Barbiturates are drugs that act as central nervous system depressants or tranquilizers, and can produce a wide spectrum of effects, from mild sedation to total anesthesia.
Therefore, the correct answer is option D.
Multiple choice zoology biology in human welfare drugs and its types drug, tobacco and alcohol consumption community health and hygiene

Reserpine an alkaloid or drug extracted from roots of the following plant which cures the mental disorders and reduces or check the blood pressure or A hypertension drug is derived from

  1. Rauwolfia serpentina

  2. Ferula asafoetida

  3. Atropa belladona

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

Rauwolfia serpentina or Reserpine (Family  - Apocyanaceae) has several alkoloids - reserpine, reserpinine, serpentine, sarpajmaline etc.

Multiple choice zoology biology in human welfare drugs and its types drug, tobacco and alcohol consumption community health and hygiene

Study the following statements with reference to drugs and choose the incorrect ones.
(i) Barbiturates cause the sleeplessness.

(ii)

Opiods are obtained from the leaves of Erythroxylum coca.

(iii) Morphine is a very effective sedative and pain killer.
(iv) Cocaine is obtained from hemp plant.

  1. i, ii, iii

  2. ii, iii, iv

  3. i, iii, iv

  4. i, ii, iv
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
(i) Barbiturates are sedative hypnotics that have sleep inducing effect.
(ii) Opiates are obtained from opium, the dried latex of unripen capsular fruits of poppy plant Papaver somniferum.
(iii) Morphine is a strong sedative and analgesic (pain killer) and therefore given to the patients who have undergone surgery.
(Iv) Cocaine is natural stimulant obtained from Erythroxylon coca.
Hence, only statement (iii) is correct.
So, the correct answer is 'i, ii, iv'.
Multiple choice zoology biology in human welfare drugs and its types drug, tobacco and alcohol consumption community health and hygiene

Which one of the following statements is correct?

  1. Lysergic acid diethylamide is a depressent

  2. Heroin is diacetyl morphine

  3. Hashish has hallucigenic property

  4. Cocaine is opioid drug
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
A. LSD (Lysergic acid diethylamide) are powerful hallucinogens obtained from the sclerotia of ergot fungus, Claviceps purpurea, present on rye plant.
B. Diacetyl morphine is another name of Heroin. It is a semisynthetic opiate and depressant of CNS.
C. Hashish is obtained from Cannabis and has strong sedative effects.
D. Cocaine is a natural stimulant which delays fatigue. It has serious impacts on heart i.e. cardiovascular system. It can increase heart beat and blood pressure. 
Hence, statement B is correct.
So, the correct answer is 'Heroin is diacetyl morphine'.
Multiple choice zoology biology in human welfare drugs and its types drug, tobacco and alcohol consumption community health and hygiene

Hypotensive tranquilliser drug reserpine is obtained from roots of

  1. Ferula asafoetida

  2. Rauwilfia serpentina

  3. Papver somniferum

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

Reserpine is an alkaloid extracted from the roots of the plant,  𝘙𝘢𝘶𝘸𝘰𝘭𝘧𝘪𝘢 𝘴𝘦𝘳𝘱𝘦𝘯𝘵𝘪𝘯𝘢 and it has been used as an antihypertensive medication i.e., to reduce high blood pressure. It produces a fall in B.P known as hypotension. Apart from being an antihypertensive drug, Reserpine is also an antipsychotic/traquilizer used in reducing anxiety and tension producng a calming/soothing effect.
So, the correct answer is ' 𝘙𝘢𝘶𝘸𝘰𝘭𝘧𝘪𝘢 𝘴𝘦𝘳𝘱𝘦𝘯𝘵𝘪𝘯𝘢'.

Multiple choice zoology biology in human welfare drugs and its types drug, tobacco and alcohol consumption community health and hygiene

Which one is correctly matched?

  1. Cocaine - Opiate narcotic

  2. Bhang - Analgesic

  3. Reserpine - Tranquilliser

  4. Morphine - Hallucinogen
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
A. Cocaine is a natural stimulant. It stimulates nervous system and delays fatigue. 
B. Bhang is a hallucinogen obtained from fresh and dried leaves and flowering shoots of male and female plants of Cannabis sativa.
C. Reserpine is a tranquiliser. It has sleep inducing properties. 
D. Morphine is a natural opiate derived from opium, the dried latex of poppy plant Papaver somniferum. 
Hence, option C is correct.
So, the correct answer is 'Reserpine- Tranquiliser'.
Multiple choice zoology biology in human welfare drugs and its types drug, tobacco and alcohol consumption community health and hygiene

Which is a sedative drug that gives feeling of calmness, relaxation and drowsiness?

  1. Heroin

  2. Cocaine

  3. Barbiturate

  4. Opium
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
Barbiturates are sedative hypnotics i.e. they have sleep inducing effects. They are depressants of central nervous system and give a feeling of calmness and relaxation. They slow down physiological and functional activity of body and produce sleep or drowsiness. They also reduce anxiety. If barbiturates are taken in excess amount, they can cause permanent damage to brain, headache or even coma.
So, the correct answer is 'Barbiturate'.
Multiple choice zoology biology in human welfare drugs and its types drug, tobacco and alcohol consumption community health and hygiene

Which drug would be useful in controlling a rogue elephant?

  1. Phencyclidine

  2. Cocaine

  3. Morphine

  4. Amphetamine
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
Phencyclidine is also known as angel dust. It is a drug that has mind altering effects. It can cause hallucinations, distorted sight and perceptions of sound. It is also used as veterinary anaesthetic drug. So, it can be used for controlling a rogue elephant because it acts as a tranquilizer and has sedative-hypnotic effects. So, it has a calming and sleep producing effect.
So, the correct answer is 'Phencyclidine'.
Multiple choice zoology biology in human welfare drugs and its types drug, tobacco and alcohol consumption community health and hygiene

Tranquilliser is drug used for

  1. Inducing sleep

  2. Relieving pain

  3. Giving soothing effect

  4. Giving stimulating effect
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
Tranquilizers are drugs that reduce anxiety, fear, agitation etc hence producing a calming or soothing effect in a person. These drugs are used in the treatment of psychological disturbances related to anxiety, tension and fear.
So, the correct answer is, 'Giving soothing effect'.
Multiple choice evs - i community health and hygiene drugs and its types drug, tobacco and alcohol consumption innate and learned behaviour

Steroids are the anti-inflammatory drugs used in the treatment of

  1. Rheumatic fever

  2. Acute glomerulonephritis

  3. Rheumatoid arthritis

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

Rheumatic fever is an inflammatory disease, that can occur after an infection of the throat with bacterium, Streptococcus pyogenes or group A streptococcus.  Various corticosteroid, such as prednisone may be given for treatment.
Acute glomerulo-nephritis is inflammation of the glomeruli. Corticosteroids and immune-suppressing drugs are taken to control inflammation.
Rheumatoid arthritis is a chronic inflammatory disorder that typically affects the small joints in the hands and feet. NSAIDs or non-steroidal anti-inflammatory drugs are given to relieve pain and inflammation and also, corticosteroid, such as prednisone.
Thus, the correct answer is option D