Morehead State University - BIO 139 (2022) TEST BANK-Questions & Answers with references.

Chapter 13th "Endocrine" means internal secretion. A hormone has a half-life of 20 minutes. After an hour, ___ percent of the original number of molecules remains. 12.5 Upregulation of a target cell can occur in response to prolonged decrease in the level of a hormone. Cortisol stimulates the production of glucose from noncarbohydrates. The condition produced by factors that tend to cause changes in the body's internal environment and threaten its survival is called ______. Stress Down-regulation of a target cell can occur in response to prolonged increase in the level of a hormone. A person who is stressed usually has increased Blood pressure Which of the following chemical classification of hormones is derived from cholesterol? Steroids Which of the following is true about steroid hormones? Steroid hormones can diffuse through the lipid bilayer. Secretions that affect only nearby cells are termed Paracrine Chapter 13 Endocrine System Multiple Choice Questions 1. A hormone is a ______ and the target cell is __________. C. molecule that has a metabolic effect on another cell; a cell that has receptors for specific hormones