myasthenia gravis quiz

In making a diagnosis of myasthenia gravis Edrophonium HCI (Tensilon) is used. The nurse knows that this drug will cause a temporary increase in: A. Muscle strength B. Blood pressure C. Symptoms D. Consciousness

A. Muscle strength

Karina a client with myasthenia gravis is to receive immunosuppressive therapy. The nurse understands that this therapy is effective because it: A.Decreases the production of autoantibodies that attack the acetylcholine receptors. B.Stimulates the production of acetylcholine at the neuromuscular junction. C.Inhibits the breakdown of acetylcholine at the neuromuscular junction. D.Promotes the removal of antibodies that impair the transmission of impulses

A.Decreases the production of autoantibodies that attack the acetylcholine receptors.

A client with myasthenia gravis ask the nurse why the disease has occurred. The nurse bases the reply on the knowledge that there is: A.A reduced amount of neurotransmitter acetylcholine B.A decreased number of functioning acetylcholine receptor sites C.A genetic in the production acetylcholine D.An inhibition of the enzyme ACHE leaving the end plates folded

B.A decreased number of functioning acetylcholine receptor sites

Myasthenia gravis is due to ____ receptors being blocked and destroyed by antibodies. A.Epinephrine B.Acetylcholine C.Nicotinic D.Transient

B.Acetylcholine

Jane, a 20- year old college student is admiited to the hospital with a tentative diagnosis of myasthenia gravis. She is scheduled to have a series of diagnostic studies for myasthenia gravis, including a Tensilon test. In preparing her for this procedure, the nurse explains that her response to the medication will confirm the diagnosis if Tensilon produces: A. Brief exaggeration of symptoms B. Symptomatic improvement of just the ptosis C. Rapid but brief symptomatic improvement D. Prolonged symptomatic improvement

C. Rapid but brief symptomatic improvement

The nurse is teaching the female client with myasthenia gravis about the prevention of myasthenic and cholinergic crises. The nurse tells the client that this is most effectively done by: A. Eating large, well-balanced meals B. Doing all chores early in the day while less fatigued C. Taking medications on time to maintain therapeutic blood levels D. Doing muscle-strengthening exercises

C. Taking medications on time to maintain therapeutic blood levels

Myasthenia gravis reflects a deficiency in communication by _______________ because receptors for this neurotransmitter have been destroyed. A.Dopamine B.Norepinephrine C.Acetylcholine D.GABA

C.Acetylcholine

A female client has experienced an episode of myasthenic crisis. The nurse would assess whether the client has precipitating factors such as: A.Getting too little exercise B.Increasing intake of fatty foods C.Omitting doses of medication D.Taking excess medication

C.Omitting doses of medication

The nurse is caring for a client admitted with suspected myasthenia gravis. Which finding is usually associated with a diagnosis of myasthenia gravis? A. Visual disturbances, including diplopia B. Ascending paralysis and loss of motor function C. Cogwheel rigidity and loss of coordination D. Progressive weakness that is worse at the day's end

D. Progressive weakness that is worse at the day's end

The initial nursing goal for a client with myasthenia gravis during the diagnostic phase of her hospitalization would be to: A.Facilitate psychologic adjustment B.Develop a teaching plan C.Maintain the present muscle strength D.Prepare for the appearance of myasthenic crisis

D.Prepare for the appearance of myasthenic crisis

The most significant initial nursing observations that need to be made about a client with myasthenia include: A.Degree of anxiety about her diagnosis B.Ability to chew and speak distinctly C.Ability to smile an to close her eyelids D.Respiratory exchange and ability to swallow

D.Respiratory exchange and ability to swallow