Anthelmintic action of piperazine is due to: A. Interference with ATP generation in the worm B. Blockade of glucose uptake by the worm C. Hyperpolarization of nematode muscle by GABA agonistic action D. Depolarization of nematode muscle by activating nicotinic receptors

Anthelmintic action of piperazine is due to:
A. Interference with ATP generation in the worm
B. Blockade of glucose uptake by the worm
C. Hyperpolarization of nematode muscle by
GABA agonistic action
D. Depolarization of nematode muscle by
activating nicotinic receptors
by

1 Answer

Answer :

C. Hyperpolarization of nematode muscle by
GABA agonistic action
by

Related questions

The most probable mechanism of action of mebendazole is: A. Depolarization of membrane and spastic paralysis of the worm B. Hyperpolarization of membrane and flaccid paralysis of the worm C. Loss of intracellular microtubules and inhibition of glucose uptake in the worm D. Tegument damage and leakage of contents of the worm

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Last Answer : C. Loss of intracellular microtubules and inhibition of glucose uptake in the worm

Neostigmine is preferred over physostigmine for treating myasthenia gravis because: A. It is better absorbed orally B. It has longer duration of action C. It has additional direct agonistic action on nicotinic receptors at the muscle end plate D. It penetrates blood-brain barrier

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Last Answer : C. It has additional direct agonistic action on nicotinic receptors at the muscle end plate

Neostigmine is preferred over physostigmine for treating myasthenia gravis because: A. It is better absorbed orally B. It has longer duration of action C. It has additional direct agonistic action on nicotinic receptors at the muscle end plate D. It penetrates blood-brain barrier

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A child has been brought with intestinal obstruction due to clumping of roundworms. Select the anthelmintic which administered by intragastric tube can relax the ascarids and relieve the obstruction: A. Levamisole B. Mebendazole C. Pyrantel pamoate D. Piperazine

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he following anthelmintic acts as a cholinergic agonist in the nematodes and causes spastic paralysis of the worms: A. Piperazine B. Pyrantel pamoate C. Mebendazole D. Thiabendazole

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Which of the following best describes the mechanism of action of scopolamine ? (a) Irreversible antagonist at nicotinic receptors (b) Irreversible antagonist at muscarinic receptors (c) Physiologic antagonist at muscarinic receptors (d) Reversible antagonist at muscarinic receptors (e) Reversible antagonist at nicotinic receptors

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The principal action common to all class I antiarrhythmic drugs is: A. Na+ channel blockade B. K+ channel opening C. Depression of impulse conduction D. Prolongation of effective refractory period

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Last Answer : A. Na+ channel blockade

Low concentration of bupivacaine is preferred for spinal / epidural obstetric analgesia because: A. It has a longer duration of action B. It can produce sensory blockade without paralysing abdominal muscles C. It distributes more in maternal tissues so that less reaches the foetus D. All of the above are correct

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Which of the following is not the reason for greater susceptibility of smaller sensory fibres to blockade by local anaesthetics than larger motor fibres: A. Sensory fibres are inherently more sensitive than motor fibres B. More slender fibres have shorter internodal distances C. Small sensory fibres generate higher frequency longer lasting action potential D. Smaller fibres have shorter critical lengths for blockade

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Extract of the following plant has platelet activating factor (PAF) antagonistic activity and is claimed to benefit cognitive disorders due to cerebral ischaemia: A. Ginkgo biloba B. Claviceps purpurea C. Amanita muscaria D. Artemisia annua (p. 440) 33.12 3 3 . 1 2 A Aim4aii

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The biochemical mechanism of action of digitalis is associated with (a) A decrease in calcium uptake by the sarcoplasmic reticulum (b) An increase in ATP synthesis (c) A modification of the actin molecule (d) An increase in systolic intracellular calcium levels (e) A block of sodium/calcium exchange

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