Regarding cardiac electrical properties:

Correct Answer: D

Rationale: The last parts of the myocardium to depolarise typically do not include the septum, which depolarises early.

Correct Answer: A

Rationale: The aorta carries oxygenated blood from the left ventricle to the body.

Correct Answer: C

Rationale: Stroke volume is the amount of blood ejected by a ventricle during a single contraction.

Correct Answer: B

Rationale: Blood pressure is highest in the aorta, where blood is ejected from the heart, and lowest in the vena cavae, where blood returns to the heart.

Correct Answer: B

Rationale: The descending aorta (abdominal aorta) ends by branching into the common iliac arteries.