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Pharmacology is the branch of medicine and biology concerned with the study of drug action, where a drug can be broadly defined as any man-made, natural, or endogenous (from within body) molecule which exerts a biochemical and/or physiological effect on the cell, tissue, organ, or organism (sometimes the word pharmacon is used as a term to encompass these endogenous and exogenous bioactive species). More specifically, it is the study of the interactions that occur between a living organism and chemicals that affect normal or abnormal biochemical function. If substances have medicinal properties, they are considered pharmaceuticals.
|Which of the following sympathomimetics is an effective mydriatic?
|Characteristics of alfa-receptor antagonists include all of the following EXCEPT:
They cause a fall in peripheral resistance and blood pressure
They cause epinephrine reversal (convert a pressor response to a depressor response)
They may cause postural hypotension and reflex tachycardia
|Which of the following benzodiazepines is used mainly for hypnosis?
|Indicate a hypnotic drug - a selective agonist at the BZ1 receptor subtype:
|A drug which causes pink to brownish skin pigmentation within a few weeks of the initiation of therapy is
|Which of the following is not used in
|which of the following antitubercular drug doese not crosses the brain blood barrier.
|Indicate the beta1-selective agonist:
|The drug meant for Alzheimer disease is
|Propranolol-induced adverse effects include all of the following EXCEPT:
?supersensitivity? of beta-adrenergic receptors (rapid withdrawal)
Sedation, sleep disturbances, depression and sexual dysfunction
|Indicate the irreversible alfa receptor antagonist:
|Beta-blocking agents have all of the following effects except:
Increase plasma concentrations of HDL and decrease of VLDL
Decrease of aqueous humor prodaction
|Which of the following agents is a nonselective beta receptor agonist?
|Anitskov?s cells are modified?
|Digoxin act by inhibiting
Na K ATPase
|Bioassays are carried out to
Measure the pharmacological activity of a drug
Avoid clinical trails for new drugs
Detect the impurity in a given drug
Screen fro pharmacognetic influences of new drugs
|Which agent exerts hypnotic activity with minimal muscle relaxing and anticonvulsant effects?
None of the above
|Which of the following chemical agents are used in the treatment of insomnia?
All of the above
|Beta-receptor antagonists cause :
Stimulation of lipolysis
Stimulation of gluconeogenesis
Inhibition of glycogenolysis
Stimulation of insulin secretion
|Compared with epinephrine, norepinephrine produces all of the following effects EXCEPT:
Similar effects on beta1 receptors in the heart and similar potency at an alfa receptor
Decrease the mean pressure below normal before returning to the control value
Significant tissue necrosis if injected subcutaneously
Increase both diastolic and systolic blood pressure
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Payment of time- barred debt is:
Consideration is defined in the Indian Contract Act,1872 in: (a) Section 2(f) (b) Section 2(e) (c) Section 2(g) (d) Section 2(d)
Which of the following is not an exception to the rule, "No consideration, No contract": (a) Natural love and affection (b) Compensation for involuntary services (c) Completed gift (d) Agency
Consideration must move at the desire of: (a) The promisor (b) The promisee (c) The promisor or any other party (d) Both the promisor and the promisee
An offer which is open for acceptance over a period of time is: (a) Cross Offer (b) Counter Offer (c) Standing Offer (d) Implied Offer
Specific offer can be communicated to__________ (a) All the parties of contract (b) General public in universe (c) Specific person (d) None of the above
_________ amounts to rejection of the original offer. (a) Cross offer (b) Special offer (c) Standing offer (d) Counter offer
A advertises to sell his old car by advertising in a newspaper. This offer is caleed: (a) General Offer (b) Special Offer (c) Continuing Offer (d) None of the above
In case a counter offer is made, the original offer stands: (a) Rejected (b) Accepted automatically (c) Accepted subject to certain modifications and variations (d) None of the above
In case of unenforceable contract having some technical defect, parties (a) Can sue upon it (b) Cannot sue upon it (c) Should consider it to be illegal (d) None of the above
If entire specified goods is perished before entering into contract of sale, the contract is (a) Valid (b) Void (c) Voidable (d) Cancelled
______________ contracts are also caled contracts with executed consideration. (a) Unilateral (b) Completed (c) Bilateral (d) Executory
A offers B to supply books @ Rs 100 each but B accepts the same with condition of 10% discount. This is a case of (a) Counter Offer (b) Cross Offer (c) Specific Offer (d) General Offer
_____________ is a game of chance. (a) Conditional Contract (b) Contingent Contract (c) Wagering Contract (d) Quasi Contract
There is no binding contract in case of _______ as one's offer cannot be constructed as acceptance (a) Cross Offer (b) Standing Offer (c) Counter Offer (d) Special Offer
An offer is made with an intention to have negotiation from other party. This type of offer is: (a) Invitation to offer (b) Valid offer (c) Voidable (d) None of the above
When an offer is made to the world at large, it is ____________ offer. (a) Counter (b) Special (c) General (d) None of the above
Implied contract even if not in writing or express words is perfectly _______________ if all the conditions are satisfied:- (a) Void (b) Voidable (c) Valid (d) Illegal
A specific offer can be accepted by ___________. (a) Any person (b) Any friend to offeror (c) The person to whom it is made (d) Any friend of offeree
An agreement toput a fire on a person's car is a ______: (a) Legal (b) Voidable (c) Valid (d) Illegal