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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.
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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.
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.
The nurse administers a prescribed oral dose of bethanechol to a client with urinary retention at 9:30 a.m. The nurse would notify the primary health care provider if the client has not voided by which time?
- A. 9:45 a.m.
- B. 10 a.m.
- C. 10:30 a.m.
- D. 11 a.m.
Correct Answer: D
Rationale: When bethanechol is administered orally, the client should void within 30 to 90 minutes. Therefore, if the client has not yet voided by 11 a.m., the nurse should notify the primary health care provider.
Prior to administering bethanechol to a client, the nurse would assess which of the following?
- A. Palpation of the bladder
- B. Palpation of the thyroid
- C. Blood glucose
- D. Blood pressure
- E. Pulse rate
Correct Answer: A,D,E
Rationale: Bethanechol is used to treat urinary retentions. The nurse's preadministration assessment should include palpation of the bladder, blood pressure, and pulse rate prior to its administration to a client.
The nurse understands that the drug would be appropriate for which condition?
- A. Urinary retention
- B. Overactive bladder
- C. Myasthenia gravis
- D. Parkinson's disease
- E. Graves' disease
Correct Answer: A,C
Rationale: Cholinergic drugs can be used to treat urinary retention, myasthenia gravis, and glaucoma.