PTA Question of the Week - Body chemicals


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You are discussing with your supervising physical therapist about the various functions of the naturally occurring chemicals in the body. A decrease in arterial pressure stimulates which of the following chemicals to act as a vasoconstrictor?

1. Angiotensin

2. Epinephrine

3. Norepinephrine

4. Histamine

The solution will be posted in a few days

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