Addiction and Dependence
• Addiction is a psychological attachment to certain effects such as euphoria and a temporary feeling of well-being that is
associated with drugs and alcohol.
• Dependence is an adaptive state that develops from repeated drug administration. It can result in withdrawal syndrome
(anxiety, nausea, shivering), if the drug is abruptly discontinued.
• Effects/symptoms of drug abuse include reckless behaviour, vandalism, violence, socially inactive, lack of concentration, etc.
Prevention and Control
• Psychologists, psychiatrists, deaddiction and rehabilitation specialists are available to help individuals who fall in the trap of drug,
tobacco or alcohol abuse.
• Teachers and parents should always be careful to look for and identify danger signs that can indicate tendency to go in for addiction.
• Avoid undue pressure on child.
- Read the following statements regarding dengue and
choose the correct option given below.
I. It is caused by Flavi-ribo virus.
II. The virus is transmitted by Anopheles mosquito.
III. Incubation period is 7-14 days.
IV. This disease is also known as break bone fever.
(a) I, III and IV (b) I and IV
(c) II, III and IV (d) I and III - Read the following statements.
A. Antibody consists of 6 peptide chains, four small and
two long.
B. Active immunity provides immediate relief.
C. Primed cells remain dormant until activated once again
by a new quantity of same antigen.
D . Dendritic cells are non-phagocytic in nature.
Of the above statements,
(a) A and B are correct (b) A, B and D are correct
(c) C and D are correct (d) B and C are correct. - A drug addict showing symptoms of drowsiness, lethargy,
decreased weight and loss of interest in work. He is most
probably addicted to
(a) amphetamines (b) marijuana
(c) cocaine (d) heroin. - Read the given statements and select the correct option.
Statement A : A person, who has undergone an organ
transplant, is given immunosuppressive drugs.
Statement B : Immunosuppressive drugs suppress the
immune system from rejecting the transplanted organ.
(a) Both statements A and B are correct and statement B
is the correct explanation of statement A.
(b) Both statements A and B are correct but statement B is
not the correct explanation of statement A.
(c) Statement A is correct but statement B is incorrect.
(d) Both statements A and B are incorrect.- The cancers that are located in connective and muscular
tissues derived from mesoderm are called
(a) myomas (b) melanomas
(c) sarcomas (d) lipomas. - Nicotine is a component in tobacco products that stimulates
the release of
(a) dopamine (b) adrenaline
(c) histamine (d) serotonin. - Chagas disease is caused by A and it is transmitted by B.
A B
(a) Trypanosoma gambiense, Glossima palpalis
(b) Trypanosoma gambiense, triatomids
(c) Trypanosoma rhodesiense, Glossima morsitans
(d) Trypanosoma cruzi, triatomids - Identify the mismatched pair.
(a) Tetanus toxoid - Active immunisation
(b) Antivenom serum - Passive immunisation
(c) Vaccine - Passive immunisation
(d) Salk’s polio vaccine - Active immunisation - Kala-azar disease is transmitted by
(a) Dracunculus (b) Phlebotomus
(c) Trypanoma (d) Balantidium. - Study the given figure
showing interactions
between antigens,
antibodies and cell
involved in an allergic
reaction. Identify A, B and
C and choose the correct
option.
A
B
C