Question:
Which of the following is NOT a tranquilizer?
Which of the following is NOT a tranquilizer?
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Tranquilizers act on the nervous system, whereas antibacterial drugs act against microorganisms.
Updated On: Feb 11, 2026
- Iproniazid
- Serotonin
- Veronal
- Prontosil
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The Correct Option is D
Solution and Explanation
Step 1: Understanding tranquilizers.
Tranquilizers are chemical substances that are used to reduce mental tension, anxiety, and stress. They affect the central nervous system and help in calming the mind. Examples include antidepressants, sedatives, and mood stabilizers.
Step 2: Analyzing the options.
(A) Iproniazid: It is an antidepressant drug and acts as a tranquilizer by affecting brain chemicals related to mood.
(B) Serotonin: It is a neurotransmitter involved in regulating mood and emotions and is associated with tranquilizing effects.
(C) Veronal: It is a barbiturate and is used as a sedative and tranquilizer.
(D) Prontosil: This is an antibacterial drug (a sulfa drug) used to treat bacterial infections and does not act as a tranquilizer.
Step 3: Conclusion.
Prontosil is not a tranquilizer as it is an antibacterial medicine, not a drug affecting mental calmness.
Tranquilizers are chemical substances that are used to reduce mental tension, anxiety, and stress. They affect the central nervous system and help in calming the mind. Examples include antidepressants, sedatives, and mood stabilizers.
Step 2: Analyzing the options.
(A) Iproniazid: It is an antidepressant drug and acts as a tranquilizer by affecting brain chemicals related to mood.
(B) Serotonin: It is a neurotransmitter involved in regulating mood and emotions and is associated with tranquilizing effects.
(C) Veronal: It is a barbiturate and is used as a sedative and tranquilizer.
(D) Prontosil: This is an antibacterial drug (a sulfa drug) used to treat bacterial infections and does not act as a tranquilizer.
Step 3: Conclusion.
Prontosil is not a tranquilizer as it is an antibacterial medicine, not a drug affecting mental calmness.
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