ATI RN
Cardiovascular System Questions and Answers Quizlet Questions
Question 1 of 5
Identify the main vessels that deliver oxygen rich blood to the head.
Correct Answer: C
Rationale: The common carotid arteries (C) deliver oxygen-rich blood to the head. Jugulars (A) and brachiocephalic (D) are veins, subclavian (B) supplies arms.
Question 2 of 5
Which of the following procedures is used to assess the human blood vessel?
Correct Answer: A
Rationale: Angiography (A) visualizes blood vessels using contrast dye. Tomography (B) is general imaging, venography (C) is vein-specific (less broad), and electromyography (D) assesses muscles.
Question 3 of 5
Minimum blood Pressure is in:
Correct Answer: D
Rationale: Venules (D) have low pressure (~10-15 mmHg) post-capillary. Aorta (A, ~100 mmHg), arteries (B, ~80-100 mmHg), and capillaries (C, ~20 mmHg) are higher.
Question 4 of 5
Cardiac cycle duration in man is:
Correct Answer: B
Rationale: At 75 bpm, the cardiac cycle is ~0.8 s (B, 60/75). A is too short, C and D too long for normal rates.
Question 5 of 5
Which one of the heart sounds heard in elderly and pathologic in the young?
Correct Answer: D
Rationale: The fourth heart sound (D, S₄) is normal in the elderly (stiff ventricle) but pathologic in the young (e.g., heart failure). S₃ (C) is the reverse.