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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.
|Hyperglycemia induced by epinephrine is due to:
Inhibition of insulin secretion (alfa)
Stimulation of glycogenolysis (beta2)
All of the above
|The risk of Digitalis toxicity is significantly increased by concomitant administration of
|Epinephrine produces all of the following effects EXCEPT:
Decrease in oxygen consumption
|Which of the following hypnotic agents is able to interact with both BZ1 and BZ2 receptor subtypes?
|Propranolol is used in the treatment all of the following diseases EXCEPT:
|Elimination of ethanol is by:
plasma drug concentration dependent
|Indicate the beta adrenoreceptor antagonist, which has partial beta?agonist activity:
|Indicate the main claim for an ideal hypnotic agent:
Rapid onset and sufficient duration of action
Minor effects on sleep patterns
Minimal ?hangover? effects
All of the above
|Which of the following statements is not correct?
There are at least three subtypes of alfa1 receptors, designated alfa1a, alfa1b and alfa1d
ALFA1a subtype mediates prostate smooth muscle contraction
ALFA1b subtype mediates vascular smooth muscle contraction
ALFA1a subtype mediates both vascular and prostate smooth muscle contraction
|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
|A drug which causes pink to brownish skin pigmentation within a few weeks of the initiation of therapy is
|Which of the following direct-acting drugs is a relatively pure alfa agonist, an effective mydriatic and decongestant and
can be used to raise blood pressure?
|which of the following antitubercular drug contraindicated in pragnancy.
|Compared with epinephrine, ephedrine produces all of the following features EXCEPT:
It is a direct-acting sympathomimetic
It has oral activity
It is resistant to MAO and has much longer duration of action
Its effects are similar, but it is less potent
|Select a hypnotic drug, which is an imidazopyridine derivative:
|Antidote of Digoxin
|Indicate the irreversible alfa receptor antagonist:
|Which of the following topical decongestant agents is an alfa2-selective agonist?
|Is Phenoxyethanol harmful?|
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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