Drugs acting on ANS

Drug of choice in treatment of myasthenia gravis is:

Organophosphates act by inhibiting the enzyme acetylcholinesterase. Which type of enzyme inhibitors are they?

Beta blocker having both α and β blocking property is:

Mechanism of action of pralidoxime is:

The short acting anticholinesterase drug is:

A 35-year-old man was found unconscious. Examination revealed bilateral constricted pupils, bradycardia, excessive sweating and secretion. Most likely cause is:

Which of the following alpha-blocker drug is used in the treatment of benign hypertrophy of prostate without producing significant hypotension?

Use of tiotropium is contraindicated in:

Antidote for nicotine poisoning is:

Alpha 1a (α1A) adrenergic blocker providing symptomatic relief in BPH is:

Atropine is useful in organophosphate poisoning because it:

An ultrashort acting β−blocker devoid of partial agonistic or membrane stabilizing action is:

An 80 kg patient is brought in the causality in shock. Dopamine needs to be started at 10 micro/kg/min rate. A 5 mL vial contains 200 mg of dopamine. Two vials are diluted to a solution of 250 mL with the help of normal saline. Calculate drops per minute required to be administered if 1 mL = 16 drops.

Diagnosis of myasthenia gravis is done by using:

Beta blockers are indicated for all of the following conditions EXCEPT:

Treatment of choice for anaphylactic shock is:

Pilocarpine reduce the intraocular pressure in persons with closed angle glaucoma by:

Beta blockers are not indicated in:

Ideal drug employed in the preoperative preparation for surgical excision of pheochromocytoma is:

A child on β2 agonists for treatment of bronchial asthma may exhibit all of the following features EXCEPT:

Retinoscopy in 5-year-old is best done with:

All of the following are cardioselective beta blockers EXCEPT:

Major neurotransmitter released at end organ effectors of the sympathic division of the autonomic nervous system is:

The beta blocker having intrinsic sympathomimetic activity is:

Which is the shortest acting mydriatic?

A hypertensive patient has heart rate of 50 beats/min and taking tablet atenolol 200 mg/day in divided doses. After anesthesia, heart rate further fell down to 40 beats/min. What will be the appropriate treatment to improve heart rate:

Cholinomimetics are useful in all of the following conditions EXCEPT:

A patient presents to emergency with pinpoint pupil, salivation, lacrimation, tremors and red tears. Plasma cholinesterase level was 30% of normal. Most probable Diagnosis is:

A child presented with history of ingestion of some unknown plant and developed mydriasis, tachycardia, dry mouth, warm skin and delirium. Which of the following group of drugs is likely to be responsible for the symptoms of this child?

Drug of choice for mushroom poisoning is:

Which of the following drug is a long acting beta-2 agonist?

Acetylcholine is not used commercially because:

Which of the following drugs does not cross blood placental barrier?

Which ONE of the drugs used for atropine toxicity?

A 24-years-old farm worker is rushed to a nearby emergency department after an accidental exposure to parathion. Which of the following drugs can be given to increase the activity of his acetyl cholinesterase:

Neostigmine is not able to cross blood brain barrier because of its: