Nursing Elites

1. Which condition is characterized by a progressive loss of muscle strength due to an autoimmune attack on acetylcholine receptors?

• A. Myasthenia gravis
• B. Multiple sclerosis
• C. Amyotrophic lateral sclerosis
• D. Guillain-Barré syndrome

Correct answer: A

Rationale: The correct answer is A: Myasthenia gravis. Myasthenia gravis is characterized by muscle weakness caused by autoimmune attack on acetylcholine receptors at the neuromuscular junction. This results in impaired communication between nerves and muscles. Choice B, Multiple sclerosis, is a condition where the immune system attacks the protective myelin sheath covering the nerves in the central nervous system, leading to communication issues between the brain and the rest of the body. Choice C, Amyotrophic lateral sclerosis, is a progressive neurodegenerative disease affecting motor neurons in the brain and spinal cord, not involving acetylcholine receptors. Choice D, Guillain-Barré syndrome, is an acute condition where the immune system attacks the peripheral nerves, causing muscle weakness and paralysis, but it does not target acetylcholine receptors.

2. A 50-year-old female is in the hospital with peripheral artery disease. In the nursing care plan, the nurse lists the following nursing diagnosis: Ineffective tissue perfusion: peripheral related to venous stasis. Which of the following would not be an appropriate nursing action to list in the implementation of this diagnosis?

• A. Keep the client's extremities cold
• B. Check for strength and symmetry of peripheral pulses
• C. Keep the client's legs elevated
• D. Monitor for any constrictions, such as clothes or covers that are too tight around the legs

Correct answer: A

Rationale: Keeping the client’s extremities cold would worsen perfusion issues and is not recommended. In peripheral artery disease, maintaining warmth is crucial to promote vasodilation and improve blood flow. Checking peripheral pulses for strength and symmetry, keeping the client's legs elevated to reduce venous stasis, and monitoring for constrictions that may impair circulation are appropriate nursing actions to enhance tissue perfusion in this case. Thus, option A is incorrect as it would hinder perfusion in the affected extremities.

3. Which electrolyte imbalance is most likely to cause cardiac arrhythmias?

• A. Hyperkalemia
• B. Hypocalcemia
• C. Hypernatremia
• D. Hypokalemia

Correct answer: A

Rationale: Hyperkalemia is the correct answer as it can lead to dangerous cardiac arrhythmias due to its effects on the electrical conduction of the heart. High levels of potassium can disrupt the normal electrical activity of the heart, potentially leading to life-threatening arrhythmias. Hypocalcemia (choice B) is not the most likely cause of cardiac arrhythmias compared to hyperkalemia. Hypernatremia (choice C), referring to high sodium levels, is not directly associated with causing cardiac arrhythmias. While hypokalemia (choice D), low potassium levels, can also lead to cardiac arrhythmias, hyperkalemia is the more likely culprit in causing severe disturbances in heart rhythm.

4. Which laboratory value is most important to monitor for a patient receiving heparin therapy?

• A. Platelet count
• B. Prothrombin time (PT)
• C. Partial thromboplastin time (PTT)
• D. International normalized ratio (INR)

Correct answer: C

Rationale: The correct answer is C, Partial thromboplastin time (PTT). PTT is monitored to assess the therapeutic effect of heparin therapy. It helps ensure that the heparin levels are within the desired range to prevent either clotting or excessive bleeding. Platelet count (A) is important but does not directly assess heparin's therapeutic effect. Prothrombin time (PT) (B) and International normalized ratio (INR) (D) are used to monitor patients on warfarin, not heparin therapy.

5. The PN observes a UAP bathing a bedfast client with the bed in the high position. Which action should the PN take?

• A. Remain in the room to supervise the UAP
• B. Determine if the UAP would like assistance
• C. Assume care of the client immediately
• D. Instruct the UAP to lower the bed for safety

Correct answer: D

Rationale: The correct action for the PN to take in this situation is to instruct the UAP to lower the bed for safety. Keeping the bed in the lowest position during care activities is crucial for preventing falls and injuries to both the client and the caregiver. Instructing the UAP to lower the bed addresses the immediate safety concern. Choice A is incorrect because simply supervising the UAP without addressing the unsafe bed height does not ensure the client's safety. Choice B is incorrect as the priority is to address the safety concern rather than offering assistance to the UAP. Choice C is incorrect as assuming care of the client immediately does not address the root issue of the high bed position.

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