Walden University - NURS 6501NURS-6501 week ( 2020)

• Question 1 1 out of 1 points How are potassium and sodium transported across plasma membranes? Answer Selected Answer: c. By adenosine triphosphate enzyme (ATPase) Correct Answer: c. By adenosine triphosphate enzyme (ATPase) • Question 2 0 out of 1 points The ion transporter that moves Na+ and Ca2+ simultaneously in the same direction is an example of which of the following types of transport? Answer Selected Answer: b. Uniport Correct Answer: d. Symport • Question 3 0 out of 1 points An aide asks the nurse why people who have neurofibromatosis will show varying degrees of the disease. Which genetic principle should the nurse explain to the aide? Answer Selected Answer: a. Penetrance Correct Answer: b. Expressivity • Question 4 0 out of 1 points A cell is isolated, and electrophysiology studies reveal that the resting membrane potential is ?70 millivolts. The predominant intracellular ion is Na+, and the predominant extracellular ion is K+. With voltage change, which of the following would result in an action potential? Answer Selected Answer: a. K+ rushing into the cell Correct Answer: b. Na+ rushing into the cell