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NR 226/ NR226: Exam 3: Fundamentals: Patient Care Guide|
(Latest 2026/ 2027 Update) Questions & Answers| Grade A|
100% Correct (Verified Solutions).
Question 1
A nurse is teaching a client about the circulatory system. Which statement by the client
indicates a correct understanding of arterial function?
A. "Arteries carry deoxygenated blood back to the heart."
B. "Arteries are a low-pressure system with valves."
C. "Arteries carry oxygenated blood away from the heart to the tissues."
D. "The walls of arteries are thin and highly distensible."
CORRECT ANSWER: C
Rationale: Arteries are part of the high-pressure system that carries oxygenated,
nutrient-rich blood away from the heart to the body's tissues.
Question 2
Which structural characteristic is unique to arteries compared to veins?
A. Presence of valves.
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B. Thin, distensible walls.
C. Elastic fibers in the walls to allow stretch and recoil.
D. Low-pressure lumen.
CORRECT ANSWER: C
Rationale: Arterial walls contain elastic fibers that allow them to stretch during systole
and recoil during diastole, which helps propel blood forward. Veins have valves and
thinner, more distensible walls.
Question 3
A nurse is assessing peripheral pulses. Which artery is typically less prominent than the
radial artery?
A. Brachial
B. Femoral
C. Ulnar
D. Dorsalis Pedis
CORRECT ANSWER: C
Rationale: The ulnar artery is typically deeper and less easily palpated than the more
superficial and prominent radial artery.
Question 4
Which vessel is the largest artery and supplies systemic blood flow?
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A. Pulmonary Artery
B. Superior Vena Cava
C. Aorta
D. Inferior Vena Cava
CORRECT ANSWER: C
Rationale: The aorta is the largest artery in the body, originating from the left ventricle
and distributing oxygenated blood to the systemic circulation.
Question 5
A nurse is explaining venous circulation to a client. Which statement accurately
describes veins?
A. "Veins carry oxygenated blood under high pressure."
B. "Veins have pulsations that are easily palpated."
C. "Veins contain valves to assist blood return against gravity."
D. "Vein walls are thick and non-distensible."
CORRECT ANSWER: C
Rationale: Veins are a low-pressure system that carry deoxygenated blood back to the
heart. They contain valves to prevent backflow and assist in overcoming gravity.
Question 6
Which statement correctly differentiates arteries from veins?
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A. Arteries have valves; veins do not.
B. Veins have pulses; arteries do not.
C. Arteries carry blood away from the heart; veins carry blood toward the heart.
D. Vein walls are thicker than artery walls.
CORRECT ANSWER: C
Rationale: The fundamental difference is direction: arteries carry blood away from the
heart, veins carry blood toward the heart. Arteries are pulsatile and lack valves; veins
have valves and are not pulsatile.
Question 7
The movement of venous blood back to the heart is facilitated by all of the following
EXCEPT:
A. Contracting skeletal muscles.
B. Intraluminal valves.
C. The high-pressure pumping of the heart.
D. Pressure changes in the thorax and abdomen during breathing.
CORRECT ANSWER: C
Rationale: Venous return relies on muscle pumps, valves, and respiratory pressure
changes. The heart's high-pressure pumping directly propels arterial blood, not venous
return.
NR226
NR226
NR 226/ NR226: Exam 3: Fundamentals: Patient Care Guide|
(Latest 2026/ 2027 Update) Questions & Answers| Grade A|
100% Correct (Verified Solutions).
Question 1
A nurse is teaching a client about the circulatory system. Which statement by the client
indicates a correct understanding of arterial function?
A. "Arteries carry deoxygenated blood back to the heart."
B. "Arteries are a low-pressure system with valves."
C. "Arteries carry oxygenated blood away from the heart to the tissues."
D. "The walls of arteries are thin and highly distensible."
CORRECT ANSWER: C
Rationale: Arteries are part of the high-pressure system that carries oxygenated,
nutrient-rich blood away from the heart to the body's tissues.
Question 2
Which structural characteristic is unique to arteries compared to veins?
A. Presence of valves.
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B. Thin, distensible walls.
C. Elastic fibers in the walls to allow stretch and recoil.
D. Low-pressure lumen.
CORRECT ANSWER: C
Rationale: Arterial walls contain elastic fibers that allow them to stretch during systole
and recoil during diastole, which helps propel blood forward. Veins have valves and
thinner, more distensible walls.
Question 3
A nurse is assessing peripheral pulses. Which artery is typically less prominent than the
radial artery?
A. Brachial
B. Femoral
C. Ulnar
D. Dorsalis Pedis
CORRECT ANSWER: C
Rationale: The ulnar artery is typically deeper and less easily palpated than the more
superficial and prominent radial artery.
Question 4
Which vessel is the largest artery and supplies systemic blood flow?
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A. Pulmonary Artery
B. Superior Vena Cava
C. Aorta
D. Inferior Vena Cava
CORRECT ANSWER: C
Rationale: The aorta is the largest artery in the body, originating from the left ventricle
and distributing oxygenated blood to the systemic circulation.
Question 5
A nurse is explaining venous circulation to a client. Which statement accurately
describes veins?
A. "Veins carry oxygenated blood under high pressure."
B. "Veins have pulsations that are easily palpated."
C. "Veins contain valves to assist blood return against gravity."
D. "Vein walls are thick and non-distensible."
CORRECT ANSWER: C
Rationale: Veins are a low-pressure system that carry deoxygenated blood back to the
heart. They contain valves to prevent backflow and assist in overcoming gravity.
Question 6
Which statement correctly differentiates arteries from veins?
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A. Arteries have valves; veins do not.
B. Veins have pulses; arteries do not.
C. Arteries carry blood away from the heart; veins carry blood toward the heart.
D. Vein walls are thicker than artery walls.
CORRECT ANSWER: C
Rationale: The fundamental difference is direction: arteries carry blood away from the
heart, veins carry blood toward the heart. Arteries are pulsatile and lack valves; veins
have valves and are not pulsatile.
Question 7
The movement of venous blood back to the heart is facilitated by all of the following
EXCEPT:
A. Contracting skeletal muscles.
B. Intraluminal valves.
C. The high-pressure pumping of the heart.
D. Pressure changes in the thorax and abdomen during breathing.
CORRECT ANSWER: C
Rationale: Venous return relies on muscle pumps, valves, and respiratory pressure
changes. The heart's high-pressure pumping directly propels arterial blood, not venous
return.
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