Question

what part of the body is used to measure the pulse via the radial artery?
inside, upper arm.
wrist
upper lip.
neck.
left, big toenail.

Explanation:

The radial artery is located in the wrist. Measuring the pulse via the radial artery is done at the wrist. The other options: inside upper arm is for brachial artery, upper lip and neck have different arteries (e.g., carotid in neck), and big toenail is not related to radial artery pulse measurement.

Answer:

B. Wrist