Related Questions

A drug that is highly effective in treating many types of infection can,at present,be obtained only from the bark of the ibora , a tree that is quite rare in the wild. It takes the bark of 5000 trees to make one kilogram of the drug. It follows, therefore, that continued production of the drug must inevitably lead to the ibore's extinction. Which of the following,if true, most seriously weakens the arguments above ?
A The drug made from the ibora bark is dispensed to doctors from a central authority
B The drug made from the ibora bark is expensive to produce
C The leaves of the ibora are used in a number of medical products
D The ibora can be propagated from cuttings and grown under cultivation
When a bar is subjected to a change of temperature and its deformation is prevented, the stress induced in the bar is
A Tensile stress
B Compressive stress
C Shear stress
D Thermal stress
Cytotoxic T cells are involved in
A Lysis of virus infected cells
B Graft rejection
C Tumor destruction
D Antibody production
E Antigen presentation
Cytotoxic T cells are involved in the following functions
A Lysis of viral infected cells
B Graft rejection
C Tumor destruction
D Antibody production
E Antigen presentation
Following conditions can give rise to bilious vomiting
A Small intestinal obstruction
B Dumping syndrome
C Pyloric stenosis
D Esophageal atresia
E Achalasia cardia
'Stress-induced amnesia strikes the patient apparently without warning and the memory loss can be as complete as is induced by physical trauma.' which correction should be made to this sentence?
A replace 'strikes' with 'contracts'
B replace 'is' with 'that'
C remove 'apparently'
D change 'by' to 'in'
Choose the one word or phrase that best keeps the meaning of original sentence if it is substituted for the under lined word or phrase. 'Salt water is often used to induce vomiting'-
A cause
B control
C cure
D stop
Prolonged vomiting due to pyloric stenosis results in
A Metabolic alkalosis
B Hyponatraemia
C Hyperchloraemia
D Hyperkalaemia
E Hypoproteinaemia
Biochemical changes that occur following prolonged vomiting due to gastric outlet obstruction are
A Hypokalaemia
B Hypochloremia
C Metabolic acidosis
D Hypernatremia
E Hypoalbuminemia
Persistent vomiting may cause
A Elevated blood urea
B Metabolic alkalosis
C Alkaline urine
D Hyperkalaemia
E Raised plasma chloride level

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