How is the pulse of the lower extremities checked?

The pulse of the lower extremities is effectively checked in areas where major arteries are located, enabling the detection of blood flow in the legs and feet. This method typically involves palpating specific points such as the back of the knee (popliteal pulse), the medial malleolus at the ankle (posterior tibial pulse), and the dorsalis pedis pulse on the top of the foot. Checking these areas helps assess circulation and can indicate potential vascular issues or injuries.

The other choices do not pertain specifically to the lower extremities. For instance, checking the pulse at the wrist and neck would be effective for upper body assessment, while checking pulses at the finger and chest does not relate to the lower extremities at all. Similarly, the ankle and wrist together do not cover the necessary locations to adequately assess lower extremity blood flow, as one is an upper body location and does not provide information related specifically to the legs or feet. Thus, option B is the most suitable for evaluating pulse in the lower extremities.