Which of the following is not a reason to stop a maximal gxt?
a. dbp measurement of 120 mmhg
b. hr = 80% of age-predicted maximum
c. sbp measurement of 270 mmhg
d. subject requests to stop

The correct answer is B:  

HR = 80% of age-predicted maximum is NOT a reason to stop maximal GXT.

Explanation:

Maximal graded exercise test allows physicians to evaluate patients ability to perform cardiovascular exercise (functional capacity), an also detect if there are any zones of ischemia in the muscle heart due to arteriosclerosis.

To do so, the patient would be asked to walk on a treadmill and speed and slope of the treadmill will be increased gradually during the test. EKG, heart rate, and blood pressure will be recorded and compared afterwards.

The heart rate target to make a proper evaluation is 85% of the maximal predicted heart rate.

answer:

a licensed practical nurse (lpn), in much of the united states and canada, is a nurse who cares for people who are sick, injured, convalescent, or disabled. in the united states, lpns work under the direction of physicians.

explanation:

answer:

thousands of years before the arrival of the british, australia was settled by the indigenous people of australia called the aborigines. this timeline begins when the europeans first arrived. 1606 - the first european to land at australia is dutch explorer captain willem janszoon.

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