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When teaching the client about this drug, which of the following would the nurse include as a possible adverse reaction?
- A. Constipation
- B. Nausea
- C. Dry mouth
- D. Skin flushing
- E. Muscle rigidity
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.
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Which condition, if found, would alert the nurse to a possible contraindication to the prescribed therapy?
- A. Pancreatitis
- B. Diabetes
- C. Asthma
- D. Hyperthyroidism
- E. Peptic ulcer disease
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.
A nurse is providing care to a client who is receiving an ophthalmic cholinergic drug. When reviewing the client's medical history, which of the following, if found, would the nurse identify as a contraindication?
- A. Cataracts
- B. Diabetic retinopathy
- C. Megacolon
- D. Corneal abrasion
Correct Answer: D
Rationale: The nurse should know that ophthalmic cholinergic drugs are contraindicated in clients with corneal abrasions. The use of ophthalmic cholinergic drugs is not contraindicated in clients with cataracts, diabetic retinopathy, or megacolon. Cholinergic drugs are used cautiously in clients with megacolon.
Based on the nurse's understanding of which body systems are affected by cholinergic drug adverse reactions, the nurse would be alert for adverse reactions involving which body system?
- A. Endocrine
- B. Circulatory
- C. Respiratory
- D. Gastrointestinal
- E. Central nervous
Correct Answer: B,C,D,E
Rationale: Cholinergic drug adverse reactions affect the circulatory, respiratory, gastrointestinal, and central nervous systems.
A nurse is caring for a client with urinary retention who is prescribed bethanechol. The nurse would administer this drug cautiously if the client has which of the following?
- A. Raynaud's disease
- B. Bradycardia
- C. Coronary artery disease
- D. Hyperthyroidism
Correct Answer: B
Rationale: The nurse should administer bethanechol cautiously if a client has bradycardia, hypertension, epilepsy, cardiac arrhythmias, recent coronary occlusion, or megacolon. Cautious use is not necessary if the client has Raynaud's disease, coronary artery disease, or hyperthyroidism.
After teaching a group of nursing students about cholinergic drugs, the instructor determines a need for additional teaching when the students identify which drug as being administered orally?
- A. Ambenonium
- B. Bethanechol
- C. Pyndostigmine
- D. Edrophonium
Correct Answer: D
Rationale: Edrophonium is a cholinergic drug that is administered intravenously. Ambenonium, bethanechol, and pyridostigmine are administered orally.