Antihistamines

Q. Which one of the following is employed as antihistamine?

1. Brompheniramine
2. Chloramphenicol
3. Serotonin
4. Norethindrone.

Q.

Which of the followings are antidepressants?
(a) Iproniazid
(b) Phenelzine
(c) Equanil
(d) Salvarsan

Q.

What is Potassium Permanganate used for?

Q. Histamine stimulates the secretion of pepsin and hydrochloric acid and antihistamines are used to prevent the action of histamines. Among the following which are antihistamines?

1. Ranitidine
2. Terfenadine
3. Brompheniramine
4. All of these

Q. The isoelectric point of the given amino acid is

1. 6.62
2. 5.24
3. 1.1
4. 2.76

Q. Which of the statements about “Denaturation” given below are correct?
(1) Denaturation of proteins causes loss of secondary and tertiary structures of the protein
(2) The coagulation of egg white on boiling is a common example of denaturation.
(3) Denaturation affects primary structure which gets distorted

1. (2) and (3)
2. (1) and (3)
3. (1) and (2)
4. (1), (2) and (3)

Q.

Why are cimetidine and ranitidine better antacids than sodium hydrogen carbonate or magnesium or aluminium hydroxide?

Q. Histamines stimulate secretion of pepsin and hydrochloric acid in the stomach and excess of it can lead to acidity. They are also responsible for nasal congestion associated with common cold and allergic response to pollen.A person having an allergic problem takes ‘Brompheniramine’ which is an antihistamine.
Which of the following is correct about level of secretion of hydrochloric acid in the stomach of the person after consuming ‘Brompheniramine’?

1. It increases
2. It may increase or decrease depending on quantity of dose.
3. It remains unaffected
4. It decreases

Q.

What are the functions performed by histamine in the body?

Q.

Naturally occurring α -amino acids, histdine is ----- in nature

1. Acidic

2. Basic

3. Amphoteric

4. Natural

Q. Which drug prevents the interaction of histamine with the receptors present in the stomach wall?

1. Cimetidine
2. Tranquilizers
3. Antacids
4. Sulphonamides

Q.

What is the advantage of using antihistamines over antacids in the treatment of acidity?

Q. Which one of the following is employed as antihistamine?

1. Brompheniramine
2. Chloramphenicol
3. Serotonin
4. Norethindrone.

Q. Among the following, the narrow spectrum antibiotic is:

1. Penicillin G
2. Ampicillin
   
3. Amoxycillin
4. Chloramphenicol

Q.

Does acidic urine kill bacteria?

Q.

Identify the commonly used substance which acts as both antiseptic and disinfectant.

1. Lysol

2. Odonil

3. Naphthalene balls

4. Dettol

Q.

Give a rundown of the events that occur in the gastric functions.

Q. Which one of the following is employed as Antihistamine?

1. Omeprazole
2. Chloramphenicol
3. Diphenhydramine
4. Norethindrone

Q.

What triggers gastrin?

Q.

Which one of the following is employed as an antihistamine?

1. Chloramphenicol

2. Diphenylhydramine

3. Norethindrone

4. Omeprazole

Q. The following molecule (Brompheniramine) acts as an:


JEE MAIN 2020

1. Anti-histamine
2. Anti-depressant
3. Anti-bacterial
4. Antiseptic

Q. Assertion :Ranitidine is used to treat hyperacidity and brompheniramine is used to treat hypersensitivity. Reason: Both of these drugs are antihistamines.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

Q.

_______ is extensively used to kill harmful bacteria.

Q. Assertion :Histamine is a potent vasodilator. Reason: Histamine is responsible for the nasal congestion associated with common cold and allergic response to pollen.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

Q. Penicillin is effective against gram-positive as well as gram-negative bacteria.

1. True
2. False

Q. Antihistamines are neurologically active drugs and affect the message transfer mechanism.
If this is true enter 1, if false enter 0.

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

1. antihistamines
2. tranquilizers
3. narcotic analgesics
4. analgesics

Q.

Naturally occurring α -amino acids, histdine is ----- in nature

1. Acidic

2. Basic

3. Amphoteric

4. Natural

Q. 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

Q. Both antacids and anti allergic drugs are antihistamines hence, they can be use in place of each other.

If true enter 1, if false enter 0.