Related Questions

Plasma half life t1/2 of a drug determines its
A Dose
B Dosing frequencies
C Plasma steady state concentration achievement
D Clearance
E Metabolism
Plasma half life t1/2 of a drug is
A An important pharmacokinetic profile
B A measure of steady state
C Not influenced by biotransformation
D Equal for all drugs
E Expressed in volume of distribution (V
A man sells chocolates which are in the boxes. Only either full box or half a box of chocolates can be purchased from him. A customer comes and buys half the number of boxes which the seller had plus half box more. A second customer comes and purchases half the remaining number of boxes plus half a box. After this the seller is left with no chocolate boxes. How many chocolate boxes the seller had initially?
A 2
B 3
C 4
D 3.5
E None of these
Plasma half-life of drugs gives idea about:
A Duration of drug action
B Dose of the drug
C Dose interval
D Mechanism of drug action
E Potency of drugs
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
The half life period of a radioactive substance is best determined by counting the number of alpha particles emitted per second in a Geiger Muller counter from its known quantity. If the half life period of a radioactive substance is one month, then
A $${\frac{3}{4}^{{\text{th}}}}$$ of it will disintegrate in two months
B It will completely disintegrate in two months
C It will completely disintegrate in four months
D $${\frac{l}{8}^{{\text{th}}}}$$ of it will remain intact at the end of four months
The preferable dosing interval of a drug with an elimination half life of 6 hours could be
A 11 hours
B 3 hours
C 5 hours
D 7 hours
E 9 hours
The time required for half of the __________ of a radioactive isotope to decay is called its half life.
A Nuclei
B Electrons
C Protons
D Neutrons
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

Next steps