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The PTA is working with a student on auscultating a patient’s heart sounds.  Which of the following events could be responsible for making the S2 heart sound? 

Which one of the following begins with systole?

A PTA is asked to assist in administering a graded exercise test for a patient referred to a phase II cardiac rehabilitation program.  Which one of the following objective findings would MOST warrant the termination of the test?

A patient diagnosed with PVD may develop comorbidities that include: 

Which one of the following statements regarding the Left atrium of the heart is true?

An aneurysm is an abnormal stretching in the wall of an artery, vein or the heart that is 50% greater than normal.

Your 60-year-old male patient experiences periodic pain in the upper chest and left shoulder when he overexerts himself, is under emotional stress, or is in places where the temperature and humidity are high.  He has had this problem for several years, and the pain is relieved with rest and taking a nitroglycerin tablet.  The most likely reason for these symptoms is: 

The sequence of transmission of nervous impulses in the heart is:

Which of the following was mentioned as a skill to which psychology students would be exposed? 

In a population of rabbits, some have thick fur and some have thin fur. A sudden drop in temperature occurs during the winter. Rabbits with thick fur are better able to survive the cold. Based on the process of natural selection, predict what is likely to happen to this rabbit population over several generations.