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प्रश्न
What is the scientific explanation for the feeling of depression?
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उत्तर
A person suffers from depression when he has low levels of noradrenaline. Noradrenaline is a neurotransmitter that plays a role in mood changes. Low levels of noradrenaline lower the signal-sending activity and make the person suffer from depression.
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संबंधित प्रश्न
How do antiseptics differ from disinfectants? Give one example of each.
What are the main constituents of dettol?
Define the following term with a suitable example in each:
Broad-spectrum antibiotics
Define the following term with a suitable example in each:
Disinfectants
Which of the following statements is not correct.
A narrow spectrum antibiotic is active against ______.
Which of the following statements are incorrect about penicillin?
(i) An antibacterial fungus.
(ii) Ampicillin is its synthetic modification.
(iii) It has bacteriostatic effect.
(iv) It is a broad-spectrum antibiotic.
What are antiseptics?
What is the basic difference between antiseptics and disinfectants?
Between sodium hydrogen carbonate and magnesium hydroxide which is a better antacid and why?
What is the mode of action of antimicrobial drugs?
Match the medicines given in Column I with their use given in Column II.
| Column I | Column II |
| (i) Ranitidine | (a) Tranquilizer |
| (ii) Furacine | (b) Antibiotic |
| (iii) Phenelzine | (c) Antihistamine |
| (iv) Chloramphenicol | (d) Antiseptic |
| (e) Antifertility drug |
Assertion: Sulpha drug contain sulphonamide group.
Reason: Salvarsan is a sulpha drug.
In what respect do prontosil and salvarsan resemble. Is there any resemblance between azo dye and prontsil? Explain.
Which of the following antibiotic contains NO2 group attached to aromatic nucleus in its structure?
Statement I : Penicillin is a bacteriostatic type antibiotic.
Statement II : The general structure of Penicillin is:
Choose the correct option:
What is the major advantage of using chloroxylenol based antiseptics?
Limited spectrum antibiotics are __________.
