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
Bioavailability of a drug may be decreased if the drug is
A Water soluble
B Protein in nature
C Ionized
D Acid stable
E Lipid soluble
Following subcutaneous injection of a drug into a healthy young adult, dilatation of the pupil and a rise in systolic blood pressure are produced. The drug could be
A Acting by stimulating  and  receptors
B Acting by blocking sympathetic ganglia
C Atropine
D Adrenaline
E Morphine
Hyperuricemia due to diminished renal excretion of uric acid are
A Chronic kidney disease
B Lactic acidosis
C Use of loop diuretics
D Psoriasis
E Lesch-Nyhan Syndrom
The excretion rate of salicylates in urine will tend to increase following
A Administration of sodium bicarbonate
B Lowered plasma albumin levels.
C Administration of ammonium chloride
D Administration of probenecid
E Polyuria
Excretion of
A Penicillin is reduced by administration of probenecid
B Volatile anaesthetics is primarily through the lungs
C Aspirin is enhanced by administration of ammonium chloride
D Thiopentone explains rapid recovery from this drug
E Carbenoxolone is primarily in the faeces
Renal stones are caused by increased excretion of
A Cystine
B Uric acid
C Xanthine
D Urobilinogen
E Citrate
Excretion is best described as the removal of
A Undigested material from the digestive tract
B Metabolic wastes from a cell
C Toxic wastes by the process of cyclosis
D Water molecules from dipeptide hydrolysis
In mammals, an important role of excretion is played by ________
A Large intestine
B Kidneys
C Lungs
D Liver
Identify the incorrect word/phrase indicated by (1), (2), (3) or (4) in the following sentence: A doctor may be able "to diagnose" a problem "prefect" but he may not able to find a drug "to which" the patient "will respo
A to diagnose (1)
B perfect (2)
C to which (3)
D will respond (4)

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