Tag: chemistry

Quizzes (490) Questions (9892)

Questions Related to chemistry

Multiple choice chemistry medicinal chemistry antacids and antihistamines therapeutic action of different classes of drugs ph regulation of the stomach

Which of the following is a use of $Mg(OH) _2$?

  1. It is used in fire extinguisher as a foaming agent.

  2. It is used in the preparation of fertilizers.

  3. It is used in removing stains of grease from clothes.

  4. It is used as an antacid.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

$Mg(OH) _2$ is used as an antacid to neutralize the acidity in the stomach.

Multiple choice chemistry medicinal chemistry antacids and antihistamines therapeutic action of different classes of drugs ph regulation of the stomach

________ work by counteracting (neutralising) the acid in your stomach. 

  1. Disinfectants

  2. Antibiotics

  3. Antacids

  4. Anti-depressants
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Antacids neutralize the acid made by your stomach, curing various problems like heartburn, upset stomach, etc. Generally, they do not have any side effects.

Multiple choice chemistry medicinal chemistry antacids and antihistamines therapeutic action of different classes of drugs ph regulation of the stomach

Which of the following is an antihistamine?

  1. Brompheniramine

  2. Equanil

  3. Ranitidine

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

Antihistamine is a drug that inhibits the physiological effects of histamine, used especially in the treatment of allergies.


Brompheniramine is an antihistamine.

Equanil is a tranquilizer.

Ranitidine and Cimetidine are antacids.

Hence the correct option is A.

Multiple choice chemistry medicinal chemistry antacids and antihistamines therapeutic action of different classes of drugs ph regulation of the stomach

Which of the following is an antihistamine?

  1. Brompheniramine

  2. Rantidine

  3. Cimetidine

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

Antihistamine is a drug or other compound that inhibits the physiological effects of histamine, used especially in the treatment of allergies.
Brompheniramine is an antihistamine drug.
Rantidine and Cimetidine are antacids.

Multiple choice chemistry medicinal chemistry antacids and antihistamines therapeutic action of different classes of drugs ph regulation of the stomach

Equanil is a/an:

  1. tranqulizer

  2. antifertility drug

  3. artificial sweetner

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

Equanil is a tranquilizer.
This medication is used short-term to treat symptoms of anxiety and nervousness. It acts on certain centers of the brain to help calm your nervous system which is same as tranquilizer which also have  a calming effect and eliminate both the physical and psychological effects on anxiety or fear.

Multiple choice chemistry medicinal chemistry antacids and antihistamines therapeutic action of different classes of drugs ph regulation of the stomach

The compound that causes general depressant action on the central nervous system belongs to the class of:

  1. tranquilizers

  2. analgesics

  3. antihistamines

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

Tranquilizer, a drug that is used to reduce anxiety, fear, tension, agitation, and related state of mental disturbance. 

Tranquilizers act on central nervous system and thus causes depression of central nervous system.

Multiple choice chemistry medicinal chemistry antacids and antihistamines therapeutic action of different classes of drugs ph regulation of the stomach

Antiseptics and disinfectants either kill or prevent growth of microorganisms. Which of the following statements is not true?

  1. Chlorine and Iodine are used as strong disinfectants

  2. Dilute solutions of Boric acid and Hydrogen Peroxide are strong antiseptics

  3. Disinfectants harm the living tissues

  4. A 0.2% solution of phenol is an antiseptic while 1% solution acts as a disinfectant
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Antiseptic and disinfectants both either kill or prevent the growth of microorganisms. The main point of difference between these two is that the former (antiseptic) are used for living beings whereas disinfectants are not safe for living tissues.

A substance like phenol in its lower concentration (0.2%) behaves as antiseptic whereas in higher concentration (1%) as a disinfectant. 
Chlorine and iodine are strong disinfectants whereas dilute solutions of boric acid and hydrogen peroxide are mild antiseptic.