ATI RN
Cardiovascular System Questions and Answers Quizlet Questions
Question 1 of 5
Identify the blood vessel that carries blood from the left ventricle.
Correct Answer: A
Rationale: The aorta (A) carries oxygenated blood from the left ventricle to the body. The pulmonary artery (B) carries deoxygenated blood from the right ventricle, pulmonary vein (C) to the left atrium, and superior vena cava (D) to the right atrium.
Question 2 of 5
The sympathetic nervous system will ___ contraction strength of the heart, thus leading to a(n) ___ in stroke volume.
Correct Answer: C
Rationale: Sympathetic stimulation increases contraction strength (inotropy, C) via norepinephrine, increasing stroke volume. A, B, D mismatch physiology.
Question 3 of 5
Identify the process that allows for the movement of fluid into the capillary at its venous end.
Correct Answer: D
Rationale: Osmosis (D) drives fluid into the capillary at the venous end, where oncotic pressure exceeds hydrostatic pressure, reabsorbing water. Filtration (C) occurs at the arterial end, A/B don’t fit.
Question 4 of 5
Which of the following would cause blood pressure to decrease?
Correct Answer: D
Rationale: Atrial natriuretic factor (ANF, D) decreases BP by promoting vasodilation and sodium/water excretion. A, B, C increase BP.
Question 5 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.