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 innate and learned behaviour option a: neurobiology and behaviour biology

Antisleep pills are made of

  1. Barbiturates

  2. Benzoidiazepines

  3. Amphetamines

  4. Both A and B
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
Amphetamine is a synthetic stimulant commonly known as pep pills or anti-sleep drugs. It is structurally similar to adrenaline. Excess use of amphetamine can cause insomnia (lack of sleep). It is stimulant of CNS (central nervous system). It stimulates respiratory centre, suppress hunger and cause addiction. In ancient times, amphetamines drugs were used by soldiers to keep them awake.
So, the correct answer is 'Amphetamines'.
Multiple choice innate and learned behaviour option a: neurobiology and behaviour biology

Which of the following is a synthetic stimulant?

  1. Cocaine

  2. Amphetamine

  3. LSD

  4. Mescaline
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
Amphetamine is a synthetic stimulant commonly known as pep pills or anti-sleep drugs. It is structurally similar to adrenaline. It is used in dope test for athletes. It is stimulant of CNS (central nervous system). It stimulates respiratory centre, suppress hunger and cause addiction. High doses of amphetamine cause sleeplessness and vomiting. Examples include Benzedrine, Methedrine and Dexedrine.
So, the correct answer is 'Amphetamine'.
Multiple choice innate and learned behaviour option a: neurobiology and behaviour biology

A useful drug that damages gastric mucosa, if taken along with alcohol is

  1. Valium

  2. Anthistamine

  3. Asprin

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

Gastritis occurs when there is an imbalance between the acid, and the mucous produced, and the acid manages to erode and damage the stomach lining. Aspirin, which inhibits cyclooxygenase, is rapidly deacetylated to salicylate. Salicylate is toxic to cells and affects mucosal barrier function, reduces cytosolic adenosine triphosphate, stimulates sodium transport, and increases proton dissipation from surface epithelial cells. 

So the correct answer is 'Asprin'.

Multiple choice innate and learned behaviour option a: neurobiology and behaviour biology

Psychedelic drug is a

  1. Cocaine

  2. Smack

  3. Speed ball

  4. Psilocybe
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
Psilocybe is a genus of gilled mushrooms from which psilocybin drug is obtained. Psilocybin is a psychedelic drug which affects behaviour, mood, thoughts and perceptions. It is a natural hallucinogen. Psilocybe mushrooms have hallucinogenic effects when eaten. It can also cause psychosis in which contact is lost with external reality. Other effects include anxiety and panic attacks. Synesthesia, a condition of mixed perception in which a person hears colours and sees sound, may also occur.
So, the correct answer is 'Psilocybe'.
Multiple choice innate and learned behaviour option a: neurobiology and behaviour biology

Which drug is also known as superman?

  1. Amphetamine

  2. Heroin

  3. Cocaine

  4. LSD
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
Amphetamines are drugs that are synthetic stimulants. They are called as pep-pills or anti-sleep pills. They stimulate respiratory system, reduce hunger and sleep. They are included in dope test for athletes. High doses of amphetamines drugs can cause sleeplessness and euphoria (feeling of excitement). There are many amphetamine drugs including para-Methoxyamphetamine, known as superman.
So, the correct answer is 'Amphetamine'.
Multiple choice innate and learned behaviour option a: neurobiology and behaviour biology

Analgesic drugs

  1. Form tissues

  2. Relieve pain

  3. Relieve fatigue

  4. Cause pain
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
Analgesic drugs are pain killers. They are used to relieve pain. They act on central and peripheral nervous system. There are many group of analgesics such as simple analgesics (paracetamol and aspirin), non-steroidal anti inflammatory drugs (Ibuprofen and Naproxen Sodium) and opioids (morphine, pethidine). These drugs are sold under medical prescription and their long term use can develop tolerance in the body due to which the effectivity of drugs is used.
So, the correct answer is 'Relieve pain'.
Multiple choice innate and learned behaviour option a: neurobiology and behaviour biology

Synthetic drugs structurally related to adrenaline are

  1. Amphetamines

  2. Barbiturates

  3. Analgesics

  4. Hallucinogens
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
Amphetamines are synthetic stimulants commonly known as pep pills or anti-sleep drugs. They are structurally similar to adrenaline. Adrenaline is a neurotransmitter secreted from adrenal medulla in response to stress conditions in the body. They are used in dope test for athletes. They are stimulants of CNS (central nervous system). They speed up the messages transmitted between brain and body. They stimulate respiratory centre, suppress hunger and cause addiction. High doses of amphetamine cause sleeplessness and vomiting. 
So, the correct answer is 'Amphetamines'.
Multiple choice innate and learned behaviour option a: neurobiology and behaviour biology

One of the following is a stimulant

  1. Opium

  2. LSD

  3. Cocaine

  4. Heroin

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

Cocaine is a powerfully addictive stimulant made from leaves of coca plant native to south america. Once it enters the body  people feel energetic and it also boosts mental alertness

Multiple choice innate and learned behaviour option a: neurobiology and behaviour biology

Stimulant present in cola, tea and cocoa is

  1. Cocaine

  2. Caffeine

  3. Amphetamine

  4. Tannin
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
Caffeine is a stimulant of central nervous system and present in non-alcoholic beverages like tea, coffee, cola and cocoa. It is a kind of psychoactive drug. It is a bitter and white crystalline purine. It increases alertness and relieves drowsiness and fatigue. It prevents absorption of calcium in bones and hence, excess amount can lead to osteoporosis. Withdrawal of caffeine can cause headache and muscle ache.
So, the correct answer is 'Caffeine'.
Multiple choice innate and learned behaviour option a: neurobiology and behaviour biology

Stimulant cocaine is obtained from

  1. Rauwolfia

  2. Erythroxylon

  3. Papaver

  4. Eucalyptus
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
Cocaine is a natural stimulant obtained from leaves of Erythroxylon coca plant. It is also known as coke or crack. It is a good local anaesthetic. It delays fatigue and excessive dosage can cause hallucinations. Crack is base form of cocaine. It is formed by heating cocaine with baking soda and water. The mixture is cooled to separate out solid particles called rocks. It is then smocked in this form.
So, the correct answer is 'Erythroxylon'.
Multiple choice innate and learned behaviour option a: neurobiology and behaviour biology

Drug that increases cardiovascular effects is

  1. Cocaine

  2. Benzodiazepine

  3. Barbiturate

  4. Insulin
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
Cocaine is a natural stimulant which delays fatigue but excess dosage can cause hallucinogens. It is smoked, snorted or injected. It has serious impacts on heart i.e. cardiovascular system. It can increase heart beat and blood pressure. It decreases the blood flow in coronary artery. It can also cause hypertension and other cardiovascular complications such as myocardial infarction, myocarditis, atherosclerosis and myocardial ischaemia.
So, the correct answer is 'Cocaine'.
Multiple choice innate and learned behaviour option a: neurobiology and behaviour biology

Pep pills contain

  1. Cocaine

  2. Amphetamine

  3. Morphine

  4. Caffeine
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
Pep pills are the pills containing a stimulant drug. These pills contain amphetamines. Amphetamines are synthetic stimulants and are structurally similar to adrenaline. Adrenaline is a neurotransmitter secreted from adrenal medulla in response to stress conditions in the body. They are stimulants of CNS (central nervous system). They speed up the messages transmitted between brain and body. They make a person more energetic and awake but overdoses can have side effects too.
So, the correct answer is 'Amphetamine'.
Multiple choice innate and learned behaviour option a: neurobiology and behaviour biology

Stimulant that raises body temperature and blood pressure is

  1. Theobromine

  2. Theophylline

  3. Dexedrine

  4. Cocaine
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
Theobromine is a bitter alkaloid which is found in cocoa plant (cocoa beans from which chocolate is prepared) and in tea leaves also. It belongs to class of xanthine alkaloids. It is a natural stimulant which stimulates nervous system and makes a person more active, alert and excited. It is a vasodilator and acts as a stimulant of heart. If theobromine is taken in excess amount, it raises heart beat, blood pressure and body temperature.
So, the correct answer is 'Theobromine'.
Multiple choice innate and learned behaviour option a: neurobiology and behaviour biology

Stimulant present in betel nut is

  1. Caffeine

  2. Theobromine

  3. Arecoline

  4. Amphetamine
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
Betel nut or areca nut is a fruit of palm tree. It is a mild stimulant because it contains an alkaloid arecoline. Arecoline is a bitter alkaloid and a stimulant of central nervous system (CNS). Stimulants make a person alert and active and increase the excitement. Arecoline mimics the receptors of nicotine in brain and thus, it can have parasympathetic effects also in the body. Generally betel nut is chewed with betel leaf to have a stimulating effect. 
So, the correct answer is 'Arecoline'.