Nokea
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.
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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.
After teaching a group of nursing students about the parasympathetic nervous system, the instructor determines that the teaching was successful when the students identify which of the following as an action?
- A. Decreased salivary gland production
- B. Vasodilation
- C. Increased peristalsis
- D. Bronchodilation
- E. Pupillary constriction
Correct Answer: B,C,E
Rationale: Stimulation of the parasympathetic nervous system results in the opposite reactions to those triggered by the adrenergic system: blood vessels dilate, sending blood to the gastrointestinal (GI) tract; secretions and peristalsis are activated and salivary glands increase production; the heart slows and pulmonary bronchioles constrict; the smooth muscle of the bladder contracts; and the pupils of the eyes constrict.
The nurse identifies a nursing diagnosis of Diarrhea for a client being started on cholinergic drug therapy. Which of the following would the nurse most likely include in the client's plan of care?
- A. Ensure that the client has readily available access to the bathroom.
- B. Evaluate the number, frequency, and consistency of the stools.
- C. Contact the primary health care provider for an order to switch to another cholinergic drug.
- D. Limit the client's fluid intake to 1000 mL per day.
- E. Maintain the client on strict bed rest.
Correct Answer: A,B
Rationale: When a cholinergic drug is administered, the client may experience diarrhea. This reaction will continue until tolerance develops, usually within a few weeks. Until tolerance develops, the nurse needs to ensure that proper facilities, such as a bedside commode, bedpan, or bathroom, are readily available. The patient is encouraged to ambulate to assist in the passing of flatus. If needed, a rectal tube may be used to assist in the passing of flatus. The nurse should document fluid intake and output and track the number, consistency, and frequency of stools if diarrhea is present. Since diarrhea occurs with any cholinergic drug, switching to another would be of no help. The client needs to replace fluids lost with diarrhea, so limiting fluid intake would be inappropriate. Ambulating to assist with the passage of flatus would be appropriate, while strict bed rest would not be necessary.
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.
A nurse is caring for a client with myasthenia gravis at a health care facility. The client is receiving ambenonium. The nurse suspects that the dosage is insufficient based on assessment of which of the following?
- A. Clenching of the jaw
- B. Muscle spasms
- C. Difficulty breathing
- D. Abdominal cramping
Correct Answer: C
Rationale: The nurse should monitor for difficulty breathing as a symptom of drug underdosage. Clenching of the jaw and muscle spasms are symptoms of drug overdosage. Abdominal cramping may occur in the client who is receiving guanidine.