The nurse is reviewing the electrical activity of the heart with a patient scheduled for synchronized pacing. In which area of the heart should the nurse teach that an electrical impulse travels that originates in the sinus node?
a. Ventricle
b. Bundle of His
c. Purkinje's fibers
d. Atrioventricular node
ANS: D
An electrical impulse that originates in the sinus node travels from there to the atrioventricular node. A. B. C. The electrical impulse that originates in the sinus node does not travel to the ventricle, Bundle of His, or to the Purkinje fibers.
You might also like to view...
The nurse visits an 81-year-old man with a recent diagnosis of Alzheimer's disease who lives at home with his wife (his primary caregiver)
Recently, the man has begun to be incontinent of urine, a development that his wife states accompanied a decline in his cognition. How would the nurse most likely categorize this incontinence? A) Urge incontinence B) Functional incontinence C) Overflow incontinence D) Stress incontinence
A nurse who is acting in a manner that respects and supports the client's and family's basic rights, values, and beliefs is functioning in which professional role?
a. Advocate b. Caregiver c. Critical thinker d. Manager
The female client is 15 years old and refuses to let the nurse remove nail polish and an acrylic nail for SaO2 measurements. Which should the nurse implement to monitor the client's SaO2 ac-curately and immediately?
1. Apply the sensor to the earlobe. 2. Ask the client again in 30 minutes. 3. Collaborate for arterial blood gases. 4. Assess client about resisting therapy.
An injury to a ligament when a joint is forced beyond its normal range of movement is called a:
a. strain. b. sprain. c. fracture. d. cork.