hypnotics, muscle relaxants

natural pacemaker of the heart

SA node

a client who is about to undergo hip arthroplasty tells the nurse she is afraid of not receiving adequate anesthesia during the procedure. which of the following responses should the nurse take?

can you tell me more about this concern

excitability

ability to be electrically stimulated

automaticity

ability to initiate an impulse spontaneously and continuously

contractility

ability to respond mechanically to an impulse

conductivity

ability to transmit an impulse along a membrane in an orderly manner

a nurse is teaching a client who has MS about a new prescription for baclofen. which of the following instructions should the nurse include in the teaching?

do not take antihistamines with this med - antihistamines will intensify the depressant effects

a nurse is teaching a client who has MS and a new prescription for dantrolene. which of the following statements by the client indicates an understanding of the teaching?

i need to apply a sunscreen when i go outside

relative refractory period

occurs later in cycle, excitability is more likely

EKG may show changes

suggesting structural changes, conduction changes, damage, electrolyte imbalance, or drug toxicity

a nurse is caring for a client who is going to have a bone marrow biopsy under conscious sedation. the client expresses fear about the procedure and asks the nurse if the biopsy will hurt. which response?

the biopsy may be uncomfortable, but i will try to keep you as comfortable as possible

a nurse is assessing a client who received IV conscious sedation for a colonoscopy. which of the findings indicated that the client is ready for discharge?

the client is cooperative and oriented

absolute refractory period

when excitability is zero and the heart cannot be stimulated