Purkinje fibers are located in the:
a. sinoatrial node.
b. atrioventricular node.
c. myocardium.
d. aortic arch.
C
The Purkinje fibers are located in the ventricular myocardium.
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A patient who has undergone a modified mastectomy with ALND has developed lymphedema. What specialist would the nurse expect this patient to be referred to?
A) Speech B) Psychologist C) Dietician D) Rehabilitation
In discussing the rationale for using methadone to ease opioid withdrawal, the nurse would explain that it has which pharmacologic properties or characteristics?
a. Methadone can prevent abstinence syn-drome. b. Methadone has a shorter duration of ac-tion than other opioids. c. Methadone is a nonopioid agent. d. Methadone lacks cross-tolerance with other opioids.
Persistent and progressive hoarseness is usually the earliest symptom of laryngeal cancer
Indicate whether the statement is true or false
To protect against one of the adverse effects of using sodium hypochlorite for wound care the nurse should:
a. cleanse the wound with iodine prior to packing with sodium hypochlorite. b. monitor serum electrolyte level and hemoglobin and hematocrit levels. c. apply petroleum jelly to the skin around the wound. d. monitor for CNS symptoms