APHY 102winter Midterm exam with correct answers
APHY 102 Anatomy and Physiology 2 What is a hormone and how does it act? - correct answer Hormones are chemical messengers that are responsible for regulation. They are secreted into body fluids, mainly blood. It has specific actions on target tissues, which are any tissue that has specific receptors for that particular hormone. Understand the role of negative feedback in control of hormone secretions. - correct answer A control mechanism in which rising level of a hormone leads to a decrease in hormone secretion What is a paracrine secretion? - correct answer glands that secrete messenger molecules that affect nearby cells What is an autocrine secretion? - correct answer glands that secrete messenger molecules that affect cells that secrete substances
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aphy 102 anatomy and physiology 2
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