ATI LPN
Cardiovascular System Questions Questions
Question 1 of 5
Which of the following type of muscle contains the largest number of mitochondria per cell?
Correct Answer: C
Rationale: Cardiac muscle cells have the highest mitochondrial density among muscle types, reflecting their high energy demands and constant activity.
Question 2 of 5
Both the renal and suprarenal arteries supply the kidney with blood
Correct Answer: B
Rationale: The renal artery supplies the kidney; the suprarenal artery supplies the adrenal glands.
Question 3 of 5
Which of the following vessels carries blood from the lungs to the heart?
Correct Answer: C
Rationale: The pulmonary vein carries oxygenated blood from the lungs to the left atrium.
Question 4 of 5
If the chordae tendineae in the right side of the heart were damaged, it might cause blood to leak into the:
Correct Answer: C
Rationale: Damage to the chordae tendineae on the right side would cause backflow into the right atrium during contraction.
Question 5 of 5
The best description of pulse pressure is the:
Correct Answer: D
Rationale: Pulse pressure is defined as the difference between systolic blood pressure (during ventricular systole) and diastolic blood pressure (during ventricular diastole), reflecting the force generated by the heart with each beat.