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Human Health And Disease

168 Questions Start Allen Test
All Exams Allen
Q151 Allen ANALYTICAL QUESTIONS MCQ
Which one of the following statements is correct with respect to AIDS?
A.
The causative HIV retrovirus enters helper T-lymphocytes thus reducing their numbers
B.
The HIV can be transmitted through eating food together with an infected person
C.
Drug addicts are least susceptible to HIV infection
D.
AIDS patients are being fully cured cent per cent with proper care and nutrition
Q152 Allen ANALYTICAL QUESTIONS MCQ
Select the correct statement from the ones given below : -
A.
Cocaine is given to patients after surgery as it stimulates recovery.
B.
Barbiturates when given to criminals make them tell the truth.
C.
Morphine is often given to persons who have undergone surgery as a pain killer
D.
Chewing tobacco lowers blood pressure and heart rate.
Q153 Allen ANALYTICAL QUESTIONS MCQ
Which one of the following techniques is safest for the detection of cancers ?
A.
Radiography (X-ray)
B.
Computed tomography (CT)
C.
Histopathological studies
D.
Magnetic resonance imaging
(MRI)
Q154 Allen ANALYTICAL QUESTIONS MCQ
At which stage of HIV infection does one usually show symptoms of AIDS ?
A.
When the infecting retrovirus enters host cells.
B.
When viral DNA is produced by reverse transcriptase.
C.
When HIV replicates rapidly in helper T-lymphocytes and damages large number of these.
D.
Within 15 days of sexual contact with an infected person.
Q155 Allen ANALYTICAL QUESTIONS MCQ
A certain patient is suspected to be suffering from Acquired Immuno Deficiency Syndrome. Which diagnostic technique will you recommend for its detection?
A.
ELISA
B.
MRI
C.
Ultra sound
D.
WIDAL
Q156 Allen ANALYTICAL QUESTIONS MCQ
Common cold is not cured by antibiotics because it is:
A.
not an infectious disease
B.
caused by a virus
C.
caused by a Gram-positive bacterium
D.
caused by a Gram-negative bacterium
Q157 Allen ANALYTICAL QUESTIONS MCQ
Which one of the following options gives the correct matching of a disease with its causative organism and mode of infection?
A.
Disease - Malaria, Causative Organisms - Plasmodium vivax, Mode of Infection - Bite of male anopheles mosquito
B.
Disease - Typhoid, Causative Organisms - Salmonella typhi, Mode of Infection - With inspired air
C.
Disease - Pneumonia, Causative Organisms - Streptococcus pneumoniae, Mode of Infection - Droplet infection
D.
Disease - Elephantiasis, Causative Organisms - Streptococcus pneumoniae, Mode of Infection - With infected water and food
Q158 Allen ANALYTICAL QUESTIONS MCQ
Select the correct statement with respect to diseases and immunisation :
A.
Injection of snake antivenom against snake bite is an example of active immunisation.
B.
If due to some reason B-and T-lymphocytes are damaged, the body will not produce antibodies against a pathogen.
C.
Injection of dead/inactivated pathogens causes passive immunity
D.
Certain protozoans have been used to mass produce Hepatitis-B vaccine
Q159 Allen ANALYTICAL QUESTIONS MCQ
Common cold differs from pneumonia in, that
A.
Pneumonia is caused by a virus while the common cold is caused by the bacterium Haemophilus influenzae
B.
Pneumonia pathogen infects alveoli whereas the common cold affects nose and respiratory passage but not the lungs.
C.
Pneumonia is a communicable disease whereas the common cold is a nutritional deficiency disease.
D.
Pneumonia can be prevented by a live attenuated bacterial vaccine whereas the common cold has no effective vaccine.
Q160 Allen ANALYTICAL QUESTIONS MCQ
Widal Test is carried out to test :
A.
HIV/AIDS
B.
Typhoid fever
C.
Malaria
D.
Diabetes mellitus
Q161 Allen ANALYTICAL QUESTIONS MCQ
Cirrhosis of liver is caused by the chronic intake of:
A.
Tobacco (Chewing)
B.
Cocaine
C.
Opium
D.
Alcohol
Q162 Allen ANALYTICAL QUESTIONS MCQ
Motile zygote of Plasmodium occurs in :-
A.
Human RBCs
B.
Human liver
C.
Gut of female Anopheles
D.
Salivary glands of Anopheles
Q163 Allen ANALYTICAL QUESTIONS MCQ
In which one of the following options the two examples are correctly matched with their particular type of immunity?
A.
Examples - Saliva in mouth and tears in eyes, Types of immunity - Physical barriers
B.
Examples - Mucus coating of the epithelium lining the urinogenital tract and the HCl in stomach, Types of immunity - Physiological barriers
C.
Examples - Polymorpho nuclear leukocytes and monocytes, Types of immunity - Cellular barriers
D.
Examples - Anti-tetanus and anti-snake bite injections, Types of immunity - Active immunity
Q164 Allen ANALYTICAL QUESTIONS MCQ
The first clinical gene therapy was given for treating :-
A.
Rheumatoid arthritis
B.
Adenosine deaminase deficiency
C.
Diabetes mellitus
D.
Chicken pox
Q165 Allen ANALYTICAL QUESTIONS MCQ
Identify the molecules (a) and (b) shown below and select the right option giving their source and use.
(a)

(b)
A.
Molecule - (b) Cannabinoid, Source - Atropa belladonna, Use - Produces hallucinations
B.
Molecule - (a) Morphine, Source - Papaver somniferum, Use - Sedative and pain killer
C.
Molecule - (a) Cocaine, Source - Erythroxylum coca, Use - Accelerates the transport of dopamine
D.
Molecule - (b) Heroin, Source - Cannabis sativa, Use - Depressant and slows down body functions
Q166 Allen ANALYTICAL QUESTIONS MCQ
Which one of the following statements is correct with respect to immunity?
A.
Antibodies are protein molecules, each of which has four light chains
B.
Rejection of a kidney graft is the function of B-lymphocytes.
C.
Preformed antibodies need to be injected to treat the bite by a viper snake.
D.
The antibodies against small pox pathogen are produced by T-lymphocytes
Q167 Allen ANALYTICAL QUESTIONS MCQ
The cell-mediated immunity inside the human body is carried out by :
A.
Erythrocytes
B.
T-lymphocytes
C.
B-lymphocytes
D.
Thrombocytes
Q168 Allen ANALYTICAL QUESTIONS MCQ
Infection of Ascaris usually occurs by :
A.
mosquito bite
B.
drinking water containing eggs of Ascaris
C.
eating imperfectly cooked pork.
D.
Tse-tse fly