Advertisements
Advertisements
Question
What is the scientific explanation for the feeling of depression?
Solution
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.
APPEARS IN
RELATED QUESTIONS
Name a substance which can be used as an antiseptic as well as disinfectant.
What is tincture of iodine? What is its use?
Define the following terms with a suitable example of each:
Bactericidal antibiotics
Compound which is added to soap to impart antiseptic properties is ______.
Compounds with antiseptic properties are:
(i) \[\ce{CHCl3}\]
(ii) \[\ce{CHI3}\]
(iii) Boric acid
(iv) 0.3 ppm aqueous solution of \[\ce{Cl2}\]
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.
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 classes of drugs given in Column I with their action given in Column II.
Column I | Column II |
(i) Analgesics | (a) Inhibit the growth of microorganisms can be given orally |
(ii) Antiseptics | (b) Treatment of stress |
(iii) Antihistamines | (c) Applied to inanimate objects |
(iv) Antacids | (d) Prevents the interaction of histamine with its receptor |
(v) Tranquilisers | (e) Pain killing effect |
(vi) Antibiotics | (f) Applied to diseased skin surfaces |
(vii) Disinfectants | (g) Treatment of acidity |
The structure shown below is of which well-known drug molecule-