ATI LPN
Study Guide for Fundamentals of Nursing Care: Concepts, Connections & Skills
Chapter 17 : Vital Signs Questions
Question 1 of 5
Which part of the central nervous system can affect the rate of heart contractions?
Correct Answer: C,E
Rationale: The hypothalamus regulates autonomic functions, including heart rate, via the autonomic nervous system. The medulla oblongata contains the cardiac control center, directly influencing heart rate.
Question 2 of 5
What characteristic(s) of the pulse should you always assess?
Correct Answer: B,C,E
Rationale: When assessing a pulse, you should evaluate its rate (beats per minute), strength (amplitude), and rhythm (regularity) to determine cardiovascular status.
Question 3 of 5
Which of the following assessments provide data regarding the quality of circulation to a patient's extremities?
Correct Answer: B,C,F,G
Rationale: Strength of pedal dorsalis pulse, skin temperature, nailbed color, and capillary refill time directly assess peripheral circulation by evaluating blood flow and tissue perfusion.
Question 4 of 5
Describe what is meant by elevated hypertension and include the pressure range to which it refers.
Correct Answer: B
Rationale: Elevated hypertension, or Stage 2 hypertension, is defined as a blood pressure of ?140 mm Hg systolic or ?90 mm Hg diastolic, indicating increased cardiovascular risk.
Question 5 of 5
List at least eight factors that can affect blood pressure.
Correct Answer: B
Rationale: Factors affecting blood pressure include age, stress, smoking, obesity, physical activity, diet (e.g., salt intake), genetics, and medications, which influence vascular resistance and cardiac output.