When Assessing the Radial Pulse of a Patient, the Nurse

When assessing the radial pulse of a patient, the nurse will count the pulse for:

A) 1 minute, if the rhythm is irregular.
B) 15 seconds and then multiply by 4, if the rhythm is regular.
C) 2 full minutes to detect any variation in amplitude.
D) 10 seconds and then multiply by 6, if the patient has no history of cardiac abnormalities.