Question

which of the following is the medical symbol for pulse rate?
○ 3
○ v
○ ñ
● •

Explanation:

The medical symbol for pulse rate is typically "●" (or related symbols, but among the options, the dot - like symbol (the fourth option, the one with the black dot) is associated with pulse rate in medical notation. The "3" is a number, "V" and "R" don't represent pulse rate.

Answer:

The option with the black dot (the fourth option from the left, the one with the black dot inside the circle - like shape).