Answer:
The correct answer is option a) splenic rub.
Explanation:
Chronic leukemia can lead to spleen enlargement which can lead to splenic rub. The splenic rub can be heard in conditions in which individuals experience acute pain in the left quadrant of the abdomen because of the infraction of the spleen.
The splenic rub is a loud grating noise that occurs due to several underlying diseases such as leukemia.
Thus, the correct answer is option a. Splenic rub.