1. Problem solving in parasympathetic

2. 1- A young female patient complaining of easy muscular fatigability, developed ptosis and diplopia with weakness of speech. she was admitted to the hospital. A10mg injection was given to her intravenously. She became able to move her eye and lids and the muscle weakness is reduced after only 3-4 minutes. A-What is she suffering from and what do you expect the injection to be? B- What long term oral therapy might be used? C-Why bethanecol and carbacol are not used for this case?

8. 2-A 65 year old patient was complaining of sever headache. His eyes were red with pain and visual disturbance. An eye drop was prescribed for him which produce miosis. Frequent administration of this drop resulted in gradual relief of symptoms. A-Which drug do you the drop might contain? B-What is the mechanism of the drug in producing miosis? C-Why the symptoms and signs were relieved by this drug? D-Which drug should cautiously be given for such patient?

10. Glaucoma is a GROUP of disorders. What they all have in common is an increase in the pressure inside the eye. When the pressure is too high, damage occurs to the optic nerve.

13. Receptors: 1-ciliary body blood vessels: α1: vasoconstriction β( unknown subtype):vasodilation 2- trabecular meshwork blood vesseles: M3: vasodilation

16. 3- A 23 year old university student ingested an insecticide preparation containing an organo phosphorous compound in an attempt to commit suicide. She developed headache, miosis, hypersalivation, vomoting,abdominal colic, diarrhea, with muscle weakness and fsciculation. She was given a 2 mg of a drug I.V and repeated every 20-30 minutes until the skin become flushed and dry, the pupil dilated and tachycardia developed. A- what is the case? Explain the symptoms. B- what was the drug given to the patient? C-is there anything else you like to add to help reversing the enzyme inhibition? D- discuss the side effects of the treatment?