ATI LPN
Cardiovascular Med Surg Questions Questions
Question 1 of 5
Contraction of the atria of the heart leads to blood moving directly
Correct Answer: D
Rationale: Atrial contraction forces blood through the atrioventricular (AV) valves into the ventricles, aiding in ventricular filling.
Question 2 of 5
Umbilical arteries carry blood from the placenta to the fetus.
Correct Answer: B
Rationale: Umbilical arteries carry deoxygenated blood from the fetus to the placenta for oxygenation.
Question 3 of 5
Which of the following act as blood reservoirs?
Correct Answer: D
Rationale: Veins, with their high capacitance, serve as blood reservoirs.
Question 4 of 5
If damaged, which valve could allow blood to leak back into the right atrium?
Correct Answer: B
Rationale: If the tricuspid valve is damaged, blood may leak back into the right atrium.
Question 5 of 5
Which of the following events will tend to cause a decrease in peripheral resistance?
Correct Answer: B
Rationale: Anemia decreases blood viscosity, thereby reducing peripheral resistance.