Chap. 20 vocab (cholinergic drugs)

Question 1

acetycholine

Answer 1

neurotransmitter responsible for transmission of nerve impulses to effector cells in the parasympathetic NS

Question 2

acetylcholinesterase

Answer 2

enzyme responsible for the breakdown of acetylcholine

Question 3

alzheimer’s disease

Answer 3

disease of the brain that is characterized by progressive mental deterioration manifested by confusion, disorientation, and loss of memory, ability to calculate and visual-spatial orientation

Question 4

atony

Answer 4

lack of normal muscle tone

Question 5

cholinergic crisis

Answer 5

severe muscle weakness and respiratory paralysis due to excessive acetylcholine; often seen in patients with myasthenia gravis (MS) as an adverse effect of drugs used to treat the disorder

Question 6

cholinergic receptor

Answer 6

nerve receptor that is stimulated by acetylcholine

Question 7

miosis

Answer 7

contraction of the pupil

Question 8

muscarinic receptors

Answer 8

cholinergic receptors that are located post-synaptically in the effector organs such as smooth muscle, cardia muscle and glands supplied by parasympathetic fibers

Question 9

nicotinic receptors

Answer 9

cholinergic receptors located in the ganglia of both the parasympathetic NS and the sympathetic NS; can be stimulated by the alkaloid nicotine

Question 10

parasympathomimetics

Answer 10

drugs that mimic the parasympathetic NS; also referred to as cholinergic agonists drugs