APHY 102 FINAL- IVY TECH SUMMER 2023 Final Exam Notes Questions With Complete Solutions

What regulates pituitary gland secretion? correct answer: The pituitary gland is directly connected to the hypothalamus. Secretion from the 2 lobes of the pituitary gland is controlled by different methods by the hypothalamus 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. Compare and contrast glucagon and insulin. correct answer: o Insulin helps the cells absorb glucose, reducing blood sugar and providing the cells with glucose for energy. When blood sugar levels are too low, the pancreas releases glucagon. o Glucagon instructs the liver to release stored glucose, which causes blood sugar to rise. • Both work to keep blood glucose concentration constant, but glucagon breaks down glycogen into glucose and insulin forms glycogen from glucose. How are pheromones different than hormones? correct answer: o Hormones are both produced and act inside the body of an organism whereas, o pheromones are produced interiorly, but function outside the body. Hormone changes the interior of the body and finally causes to have behavioral alterations, whereas p