Parasympathetic nervous system

Question 1

is Acetyl-choline used in therapy?

Answer 1

No it is decomposed too quickly

Question 2

list the muscaranic receptors?

Answer 2

1. m₁, m₃ (stomach and glands, bronchial smooth muscle, eye ciliary muscle) - excitation
2. m₂ (heart) - inhibition

• bradycardia
• bronchoconstriction
• miosis
• salavation
• vomiting and diarrhoea
• urination

Question 3

is it advised to give a parasympathetic to an asmathic patient?

Answer 3

definetly NOT

Question 4

effect on the eye of parasympathomimetics?

Answer 4

• contraction of the iris sphincter muscle
• increased secretion of lacrimal glands
• decrease the introcular pressure

Question 5

what eye diseases are parasympathomimetics useful for?

Answer 5

• keratoconjunctivitis sicca (KCS)
• autoimmune disease
• dry eye
• previously for glaucoma but now obsolete

Question 6

effects of parasympathomimetics on the cardiovascular system?

Answer 6

• negative chronotropic effect ( decrease heart rate)
• no influence on level of contraction

Question 7

effects