Botulinum toxin causes muscle paralysis because
a. no acetylcholine enters the synaptic cleft
b. sodium is removed from the synaptic cleft
c. the acetylcholine receptors at the motor end-plate are blocked
d. calcium is removed from the neuromuscular junction

Anurse is providing teaching about the adverse effects of ergotamine to a client who has migraine headaches. which of the following adverse effects should the nurse include in the teaching? paresthesia tinnitus blurred vision hematuria

Anurse is preparing to administer lidocaine via continuous iv infusion at 4 mg/min. available is lidocaine 2 g dextrose 5% in water 500 ml. the nurse should set the iv pump to deliver how many ml/hr? (round the answer to the nearest whole number. use a leading zero if applicable. do not use a trailing zero.)

Anurse is caring for a client who has acute heart failure and is receiving furosemide via iv bolus. the nurse should identify that which of the following findings indicates a desired therapeutic effect? a. increased sputum production b. decreased weight c. decreased blood glucose level d. increased blood pressure