PN VATI PHARMACOLOGY 2020 completed questions with verified answers( with rationale)

A nurse is assisting with the care of a client who has a myasthenia gravis and is experiencing a cholinergic crisis. Which of the following medications should the nurse expect the RN to administer? Bethanechol Propranolol Atropine Epinephrine correct answer: ANSWER: ATROPINE. Rationale: A cholinergic crisis is the result of too much cholinesterase inhibitor medication, which causes manifestations of excessive muscarinic stimulation, such as muscle weakness, bradycardia, vomiting, and paralysis. Atropine is a muscarinic antagonist that is administered IV to reverse anticholinergic effects. The nurse might need to assist with respiratory support to provide adequate oxygenation to the client until manifestations resolve. A nurse is caring for a client who has bipolar disorder and a new prescription for lithium. Which of the following laboratory values should the nurse plan to monitor for potential adverse effects? Prothrombin Time Hematocrit Sodium Potassium correct answer: ANSWER: SODIUM. Rationale: The nurse should monitor the client's sodium level while the client is taking lithium. When the client's sodium level is low, the kidneys retain lithium, which can cause toxicity. Because polyuria is an adverse effect of lithium in 50% to 70% of clients treated, HYPOnatremia is a significant risk. The nurse should reinforce teaching with the client about eating consistent amounts of sodium and drinking 2 to 3 L of fluid daily to help prevent lithium toxicity. A nurse is reinforcing teaching with a client who has a prescription for rosuvastatin to treat high cholesterol levels. For which of the following adverse effects should the nurse instruct the client to monitor and report to the provider immediately? Muscle weakness Headache Abdominal pain Insomnia correct answer: ANSWER: MUSCLE WEAKNESS. Rationale: When using the urgent vs. non-urgent approach to client care, th