ATI LPN
100 Questions on the Cardiovascular System PDF Questions
Question 1 of 5
Which of the following veins carry oxygenated blood?
Correct Answer: D
Rationale: Pulmonary veins (from lungs to left atrium) and umbilical veins (in fetus from placenta) carry oxygenated blood; cephalic veins do not.
Question 2 of 5
Which of the following statements about coronary blood flow is most accurate?
Correct Answer: C
Rationale: Subendocardial flow decreases more during systole due to greater compression by the contracting myocardium.
Question 3 of 5
Which of the following type of shock is due to decreased TPR?
Correct Answer: B
Rationale: Neurogenic shock decreases total peripheral resistance (TPR) due to loss of sympathetic tone.
Question 4 of 5
cTnT binds to:
Correct Answer: A
Rationale: Cardiac troponin T (cTnT) binds to tropomyosin in the troponin complex.
Question 5 of 5
A 30-year-old woman has had coldness and numbness in her arms and decreased vision in the right eye for the past 5 months. On physical examination, radial pulses are not palpable, but femoral pulses are strong. She has decreased sensation and cyanosis in her arms, but no warmth or swelling. A chest radiograph shows a prominent border on the right side of the heart and prominence of the pulmonary arteries. Laboratory studies show negative ANA test result. Her condition remains stable for the next year. Which of the following is the most likely diagnosis?
Correct Answer: B
Rationale: Takayasu arteritis, a chronic vasculitis, causes pulselessness in the upper limbs and ocular symptoms.