The nurse knows that the SA node generates a new action potential approximately __ times per minute under resting conditions
Standard Text: Round answer to the nearest whole number.
What will be an ideal response?
Correct Answer: 75
Rationale: The SA node generates a new action potential approximately 75 times per minute under resting conditions. This is known as a normal sinus rhythm.
Global Rationale: The SA node generates a new action potential approximately 75 times per minute under resting conditions. This is known as a normal sinus rhythm.
You might also like to view...
A health care provider writes these new prescriptions for a skilled nursing facility resident: 2 G sodium diet Restraint as needed Limit fluids to 1800 mL daily Continue antihypertensive medication Milk of magnesia 30 mL PO once if no bowel
movement for 3 days The nurse should: a. question the fluid restriction. b. question the order for restraint. c. transcribe the prescriptions as written. d. assess the resident's bowel elimination.
The nurse manager incorporates verbal reports and walking rounds for what purpose?
1. To provide staff members with adequate exercise 2. To introduce different staff members to promote teamwork 3. To improve communication and provide opportunities for feedback 4. To allow staff nurses to take time off from patient care
When a normal muscle functions, several actions take place. In what order do these actions occur?
1 . Acetylcholine (ACh) is broken down by acetylcholinesterase. 2 . ACh interacts with the nicotinic cholinergic receptors. 3 . ACh is released by the motor nerve. 4 . ACh crosses the synaptic cleft. 5 . The muscle membrane is depolarized. 6 . The muscle membrane is repolarized. Put these actions in the correct order. A) 1, 3, 5, 2, 4, 6 B) 2, 4, 6, 5, 3, 1 C) 6, 5, 4, 1, 2, 3 D) 3, 4, 2, 5, 1, 6
The nurse knows that most nutrients are absorbed in which portion of the digestive tract?
a. Stomach b. Duodenum c. Ileum d. Cecum