ATI Anatomy and Physiology Proctored Exam | Questions and Answers | Latest 2020 / 2021

Anatomy & physiology 2 Review for the final lecture exam Endocrine system 1. What is the difference between endocrine and exocrine glands? Give an example of each. Endocrine Glands Exocrine Glands Specialized organs which release their chemical directly into cells or surroundings. The released chemicals of the endocrine system help in regulation and maintenance of multiple physiological events. Specialized secretion which are released through a duct directly into an external or internal surfaces. Ex: Help regulate body temperature through sweat glands.  Thyroid and Parathyroid  Pineal Gland  Testes and Ovaries  Pituitary Gland  Pancreas  Hypothalamus  Adrenal Glands  Sebaceous Glands  Mammary Glands  Salivary Glands  Lacrima glands  Sweat glands  Digestive System Glands 2. Explain positive and negative feedback regulation and give an example of hormone(s) that use one of these methods. Positive Feedback Negative Feedback The output affects the beginning Stimulus Analogy Ex: Snowball effect The output stops the beginning stimulus and sets it back to normal Analogy Ex: Home Thermostat Real Example: Child Birth, oxytocin is released and intensifies contractions Real Example: The control of blood sugar due to insulin 3. Explain how the pituitary gland is controlled (anterior and posterior).  The hormones of the pituitary gland send signals to other endocrine