A nurse is reinforcing teaching with a client who has a new diagnosis of myasthenia gravis (MG) and a prescription for neostigmine. Which of the following information should the nurse include about the action of the medication?
Improves muscle strength.
Destroys the antibodies that cause MG
Enhances immune system function
Prevents excessive coughing
The Correct Answer is A
a. Improves muscle strength.
Explanation:
Neostigmine is a medication used in the treatment of myasthenia gravis (MG). It belongs to a class of drugs called cholinesterase inhibitors. Neostigmine works by inhibiting the breakdown of acetylcholine, a neurotransmiter involved in muscle contraction. In MG, there is a decrease in the amount of acetylcholine available at the neuromuscular junction, leading to muscle weakness and fatigue.
By inhibiting the breakdown of acetylcholine, neostigmine helps to increase the concentration of acetylcholine at the neuromuscular junction. This, in turn, improves muscle strength and can alleviate the symptoms of weakness and fatigue associated with MG.
Option b, destroying the antibodies that cause MG, is not accurate. Myasthenia gravis is an autoimmune disorder characterized by the presence of antibodies that interfere with neuromuscular transmission.
Neostigmine does not directly target or eliminate these antibodies.
Option c, enhancing immune system function, is not accurate either. Neostigmine primarily acts on the neuromuscular junction to improve muscle strength and does not have a direct effect on immune system function.
Option d, preventing excessive coughing, is not the primary action of neostigmine. While increased muscle strength may indirectly improve respiratory function and reduce coughing in individuals with myasthenia gravis, it is not the primary indication or action of neostigmine.
Therefore, the most accurate information to include in teaching about neostigmine for a client with myasthenia gravis is that it improves muscle strength.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
- A. Incorrect. Measuring the group's work against the assigned objectives is a task role that belongs to the evaluator, who assesses the quality and effectiveness of the group's performance.
- B. Correct. Noting the progress of the group toward assigned goals is a task role that belongs to the orienteer, who keeps track of where the group is heading and summarizes what has been accomplished.
- C. Incorrect. Sharing experiences as an authority figure is a task role that belongs to the information giver, who provides factual data or personal knowledge to the group.
- D. Incorrect. Offering new and fresh ideas on an issue is a task role that belongs to the initiator, who proposes new solutions or approaches to problems.
Correct Answer is D
Explanation
Choice A rationale:
Initiating IV access on the palmar side of the client's wrist is not recommended. This area has many delicate structures and is prone to complications such as nerve damage. Choosing a safer, larger vein proximal to the wrist is a better practice.
Choice B rationale:
Inserting a larger gauge IV catheter is not necessary unless the client's condition or prescribed therapy specifically requires it. Using an unnecessarily large catheter can cause discomfort and increase the risk of complications, such as phlebitis.
Choice C rationale:
Choosing the client's dominant arm for IV access whenever possible is not a universally appropriate guideline. The choice of the arm should depend on the condition of the veins and the individual patient's circumstances. The nurse should assess both arms and choose the one with the most suitable and accessible veins.
Choice D rationale:
Selecting a site proximal to previous venipuncture sites is the correct action. Repeated venipuncture in the same area can cause phlebitis and compromise the integrity of the veins. Selecting a new site proximal to previous punctures helps to preserve vein health and reduce the risk of complications.
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