Related Questions

Receptor potential
A Acts as electrical stimulus for generation of action potential
B Can be generated as a result of altered ionic flow across receptor membrane can
C Is not a graded potential
D Can be propagated along nerve fiber
E Can be abolished
Hormones which have intracellular receptor are
A Glucocorticoids
B Progesterone
C Insulin
D Thyroid stimulating hormone
E Glucagon
The adverse effects of typical antipsychotic drugs due to "dopaminergic receptor blockode'
A Galactorrhoea
B Neuroleptic malignant syndrome
C Orthostatic hypotension
D Urinary retention
E Sedation
An XY individual who inherits mutated nonfunctional androgen receptor will have
A Female phenotype
B Non functional gonad
C Mullerian duct derivatives
D External appearance of male
E The ability to secret testosterone
Drugs producing effects via non-receptor mechanism are
A Mannitol
B Magnesium trisillicate
C Ispaghula
D Sumatriptan
E Morphine
Which of the following pairs of drugs compete for the same receptor
A Cimetidine and histamine
B Strychnine and glycine
C Dopamine and haloperidol
D Morphine and atropine
E Morphine and noradrenaline
Which of the following statements regarding adrenergic receptor activation are correct
A β2 activation in skeletal blood vessels produces vasodilation
B Postsynaptic -1 activation leads to vasoconstriction
C Presynaptic 2 activation causes vasodilation
D β1 activation in kidney decreases renin activity
E β2 activation in bronchial smooth muscle leads to bronchoconstriction
Stimulation of beta-2 receptor causes
A Bronchodilatation
B Glycogenolysis in liver
C Relaxation of gravid uterine muscle.
D Vasoconstriction
E Increase in blood pressure
2-receptor blockade by propranolol leads to
A Reduced blood supply in skeletal muscle
B Bronchoconstriction in asthmatic patient
C Hallucinations and nightmares
D Decreased cardiac output
E Decreased peripheral resistance
receptor blockade effects of non-selective blockers include
A Cold extremities
B Bronchoconstriction in asthmatic patient
C Bradycardia
D Hypoglycemia
E Postural hypotension

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