Which of the following occurs during phase 1 of the cardiac cellular action potential?
A) Sodium influx decreases while potassium slowly exits the cell
B) Rapid influx of sodium ions through channels in the cardiac cell
C) Calcium enters the cell while potassium continues to leave the cell
D) Calcium movement ceases with continued outflow of potassium
Answer: A) Sodium influx decreases while potassium slowly exits the cell
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A) Erythrocytes B) Neutrophils C) Platelets D) Basophils
Which statement by a newly licensed nurse indicates an understanding of why it is necessary to structure nursing care? Note: Credit will be given only if all correct choices and no incorrect choices are selected
Standard Text: Select all that apply. 1. "It helps to coordinate care to a group of clients." 2. "It organizes care responsibilities." 3. "It ensures that the staff doesn't get overtime." 4. "It improves physician efficiency." 5. "It provides skilled care by skilled staff."
What is helpful to tell a mother who is concerned about preventing sleep problems in her 2-year-old child?
a. Have the child always sleep in a quiet, darkened room. b. Provide high-carbohydrate snacks before bedtime. c. Communicate with the child's daytime caretaker about eliminating the afternoon nap. d. Use a nightlight in the child's room.
When assessing a client's peripheral IV site, the nurse notices edema and tenderness above the site. What action does the nurse take first?
a. Apply cold compresses to the IV site. b. Elevate the extremity on a pillow. c. Flush the catheter. d. Stop the infusion of IV fluids.