If jill can lift 20 boxes onto a shelf at work, one at a time repeatedly, she is demonstrating 1.) muscle strength 2.) an isometric exercise 3.) the valsalva maneuver 4.) muscle endurance

muscle endurance

Explanation:

answer: b. complete secondary assessment (detailed physical exam).

after you finished the primary assessment, you must proceed with the assessment by performing a complete detailed physical examination.

this secondary assessment includes a focused on patient’s history, vital signs and a specific and rapid examination of the entire body especially on the injuries acquired from the motor vehicle accident and the patient’s medical complaint.