ATI LPN
Roach's Introductory Clinical Pharmacology 11th Edition
Chapter 25 Questions
Question 1 of 5
When describing the enzyme acetylcholinesterase, which of the following would the instructor most likely include about this enzyme?
Correct Answer: A,E
Rationale: Acetylcholinesterase makes the parasympathetic nervous system function differently by inactivating the neurotransmitter acetylcholine, thereby preventing the nerve synapse from continuing the nerve impulse.
Question 2 of 5
The nurse understands that the drug would be appropriate for which condition?
Correct Answer: A,C
Rationale: Cholinergic drugs can be used to treat urinary retention, myasthenia gravis, and glaucoma.
Question 3 of 5
A nurse is administering cholinergic eye drops to a client. The nurse would be alert for which of the following as a possible adverse reaction?
Correct Answer: B,D
Rationale: Cholinergic eye drops are used to treat glaucoma.
Topical administration usually produces few adverse reactions, but a temporary reduction of visual acuity and headache may occur.
Question 4 of 5
When teaching the client about this drug, which of the following would the nurse include as a possible adverse reaction?
Correct Answer: B,D
Rationale: Pyridostigmine is an oral cholinergic medication used in the treatment of myasthenia gravis. General adverse reactions associated with oral administration include nausea, diarrhea, abdominal cramping, salivation, skin flushing, cardiac arrhythmias, and muscle weakness.
Question 5 of 5
Which condition, if found, would alert the nurse to a possible contraindication to the prescribed therapy?
Correct Answer: C,D,E
Rationale: The use of cholinergic drugs is contraindicated in clients with known hypersensitivity to the drugs, asthma, peptic ulcer disease, coronary artery disease, and hyperthyroidism.