Physical exercise affects the cardiovascular system by
a. Decreasing cardiac response to activity
b. Increasing cardiac output
c. Decreasing cardiac efficiency
d. Maintaining pulse rate in response to activity
B
Physical exercise increases cardiac output. Immobility prevents physical activity from creating increased cardiac output. Responses A, C, and D are incorrect.
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What brings information from the central nervous system (CNS) to the peripheral nervous system (PNS)?
A) Motor nerves B) Synapses C) Afferent neurons D) Sensory nerves
Which statement best describes effective leadership by the nurse manager?
a. Directs a staff nurse to modify his or her communication skills b. Fosters behavior changes in one staff member that have positive effects on the nurse manager and his or her peers c. Encourages behavior changes through the annual evaluation process d. Uses the group process to determine what behavior is distressing to staff
The patient is prescribed radioactive iodine (RAI) and asks the clinician how this drug works. The clinician's response should include which of the following data?
a. RAI prevents the peripheral conversion of T4 to T3. b. RAI binds free T4. c. RAI destroys thyroid tissue. d. RAI reduces freely circulating iodine.
What action should be taken by the nurse who is preparing to delegate a task?
1. Assess the documentation that will need to be completed regarding the task. 2. Review of all the patients' charts on the team. 3. Review the complexity and skill required to perform the task. 4. Ask the patient if having someone other than the nurse provide care is acceptable.