quiz 24 - ViewAttempt1of2 Title: Kee Chap 24 (7th ed)...

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View Attempt 1 of 2 Title: Kee Chap 24 (7th ed) Started: November 14, 2011 11:23 AM Submitte d: November 14, 2011 11:30 AM Time spent: 00:07:30 Total score: 20/23 = 86.9565% Total score adjusted by 0.0 Maximum possible score: 23 1. Edrophonium (Tensilon) is a short-acting agent useful for diagnosing: Student Response Value Feedback A. multiple sclerosis B. seizure disorders C. parkinsonism D. myasthenia gravis (MG) 100% General Feedback: This medication is used to diagnose MG; the patient receives the medication and is observed for an improvement in symptoms. Score: 1/1 2. Myasthenia gravis is a neuromuscular disease chiefly characterized by: Student Response Value Feedback A. smooth muscle weakness and paralysis B. skeletal muscle weakness in the lower extremities C. skeletal muscle weakness above the waist 100% D. muscle weakness on one side of the body General Feedback: Myasthenia gravis most often affects the upper part of the body, including the facial, respiratory, and upper extremity muscles. Score: 1/1
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3. A nurse is teaching a family support group about myasthenia gravis. The nurse's teaching plan is based on the fact that myasthenia gravis results from: Student Response Value Feedback A. a lack of acetylcholine (ACh) reaching the cholinergic receptors 100% B. an increased amount of acetylcholine production C. an accumulation of acetylcholine at the cholinergic receptors D. a lack of the enzyme acetylcholinesterase General Feedback: This disease is characterized by a deficiency in ACh. Score: 1/1 4. The group of drugs used for controlling myasthenia gravis is acetylcholinesterase (cholinesterase) inhibitors. The actions of this drug class include: Student Response Value Feedback A. inhibition of the action of the enzyme acetylcholinesterase 100% B. less acetylcholine reaching cholinergic receptors C. destruction of acetylcholine; more acetylcholinesterase is available D. enhancement of the action of acetylcholinesterase General Feedback: By inhibiting the enzyme, more of the ACh is able to act as a neurotransmitter, decreasing symptoms. Score: 1/1 5. A client with myasthenia gravis and his family are receiving instructions from the nurse. The nurse teaches the client that insufficient dosing of cholinesterase inhibitor may result in myasthenia crisis. Signs and symptoms of myasthenia crisis include:
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Student Response Value Feedback A. decreased muscle strength in the lower extremities B. increased salivation and sweating C. muscle weakness and increased salivation D. muscle weakness with difficulty in breathing and swallowing 100% General Feedback: These are the major signs of myasthenia gravis, which may be undertreated
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This note was uploaded on 04/04/2012 for the course NURS 224 taught by Professor Khan during the Spring '08 term at New Mexico.

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quiz 24 - ViewAttempt1of2 Title: Kee Chap 24 (7th ed)...

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