6. Which of the following classes of drugs would be useful in treating symptoms of myasthenia gravis?
Muscarinic agonist
Muscarinic antagonist
Anticholinesterase agents
Nicotine antagonist
7. What results in nicotinic cholinergic receptors stimulation?
Smooth muscle of the eye constriction
Gastric activity
Muscle contraction
Cardiac output decrease
8. If an ophthalmologist wants to dilate the pupils for examination, which of the following would be useful?
Muscarinic receptor inhibitor
Pilocarpine
Neostigmine
Muscarinic receptor activator
Acetylcholine
9. A plant (Atropa belladonna containing atropine) poisons a patient. What drug or class of drug would be helpful in treatment?
Physostigmine
Malathion
Muscarinic antagonist
Nicotine antagonist
10. Which of the following is a systemic effect of a muscarinic agonist?
Mydriasis
Decreased HR
Constipation
Increased BP
Reduced urinary frequency
11. Which among the listed is not considered a side effect of cholinergic agonist drugs?
Bronchorrhea
Emesis
Muscle weakness
Sweating
Constipation
Lacrimation
Bradycardia
Salivation
Miosis
Diarrhoea
Urination
12. Botulinum toxin blocks the release of acetylcholine from cholinergic terminals. Which of the following is a possible effect of botulinum toxin?
Increased salivation
Skeletal muscle paralysis
Improvement of myasthenia gravis symptoms
Reduced HR
13. Which of the following may be helpful in treating the symptoms of Alzheimer's?
Activating the acetylcholinesterase enzyme in the brain
Inhibit release of acetylcholine in the brain
Inhibiting the acetylcholinesterase enzyme in the brain
Inhibit cholinergic receptors in the brain
14. A dentist wants to reduce salivation in a patient for surgical preparation purposes. Which of the following would be useful?
Activate muscarinic receptors in the salivary gland
Activate nicotine receptors in the salivary gland
Block muscarinic receptors in the salivary gland
Block nicotine receptors in the salivary gland
15. Which of the following can be used to reverse an Atropine overdose?
Ambenonium
Donepezil
Physostigmine
Carbachol
16. Patient is a farmer who tried to commit suicide by drinking an unknown liquid, causing diarrhoea, frequent urination, convulsions , dyspnoea, miosis and excessive salivation. Which is likely?
Symptoms can be treated using a cholinergic agonist
Symptoms are consistent with sympathetic activation
Most likely consumed an organophosphate pesticide
Can be treated using an anticholinesterase agent
17. A patient has decreased salivary secretion and dry mouth due to cancer treatment. Which of the following would not prove useful in improving salivation?
Neostigmine
Muscarinic antagonist
Muscarinic agonist
Anticholinesterase agents
Pilocarpine
18. Which of the following is not a direct acting cholinergic agonist?
Pilocarpine
Physostigmine
Acetylinecholine
Nicotine
Bethanechol
Carbachol
19. Which of the following is an indirect irreversible cholinergic agonist?
Bethanechol
Donepezil
Acetylinecholine
Echothiophate
Neostigmine
Pyridrostigmine
Rivastigmine
20. Which of the following is not a indirect reversible cholinergic agonist?
