Nancy is a student nurse working on a cardiac unit. Randy, a 54-year-old patient who was admitted with bradycardia, tells her that he is confused about what the doctor told him regarding the electrical system in his heart
What is Nancy's best response? A. "The sinoatrial node is the ‘pacemaker' of your heart."
B. "Myocardial contractility determines your heart rate."
C. "The atrioventricular node is the ‘pacemaker' of your heart."
D. "The ventricular Purkinje network determines your heart rate."
A
The conduction system originates with the sinoatrial node, the "pacemaker" of the heart.
You might also like to view...
Deep brain stimulation is a procedure that is performed for special pain problems when there is no response to the usual techniques of pain control
It is a procedure used on patients with neuropathic pain that may be caused by what? (Mark all that apply.) A) Phantom-limb pain B) Stroke C) Contractures D) Severe burns E) Brain injuries
Research related to the trait approach has
a. Been a newer area of research. b. Been around for over 100 years. c. Not been a focus of researchers until recently. d. Consisted of very few known models and studies.
When the bladder contains about 250 mL of urine, nerve endings signal and create the need to urinate or ________.
Fill in the blank(s) with the appropriate word(s).
A client is released from involuntary commitment by the judge, who orders that a caseworker supervise him for the next 6 months. This is an example of
A. conditional discharge. B. outpatient commitment. C. voluntary follow-up. D. discretionary treatment.