Which of the following is often referred to as the "rhythmic" cardiac cell function because the myocardial cells produce a heartbeat in response to electrical stimulus created by the pacemaker cardiac cells??
A) Contractibility
B) Automaticity
C) Excitability
D) Conductivity
A
You might also like to view...
A patient comes to the emergency department with reports of exposure to a toxic chemical spill. The assessment reveals that the patient has inhaled the chemical and had the chemical on his clothing. What actions by the nurse are appropriate?
a. The nurse advises the patient to leave in contact lenses to continue to provide pro-tection to the eyes. b. The nurse will proceed to irrigate the pa-tient's eyes for 5 to 7 minutes with water. c. The nurse will use tongs to handle items taken off by the patient. d. The nurse will place the clothing in a metal receptacle for disposal.
In discussion with Xiao, the clinic nurse develops further concerns about this family. The most appropriate action to assist with appropriate care for this family would be to:
A) Notify Children and Family Services B) Provide information on postpartum blues C) Administer the Edinburgh Postnatal Depression Scale D) Notify the Community Health Department to set up a nursing visitation promptly
A patient suffering from back spasms has an order for continued heat therapy at home and indicates to a nurse that he will use his heating pad. The nurse correctly advises the patient to
1. Never use any setting above medium. 2. Use the highest setting for maximum comfort. 3. Apply heat for 1 hour every 3 hours. 4. Not use heat because cold therapy is more effective at stopping spasms.
One day after surgery a 4-year-old patient is having difficulty urinating. The nurse realizes that children often are unable to void:
A. in a urinal. B. lying in bed. C. in bathrooms other than their own. D. in the presence of persons other than their parents.