Bmsc 208 - Final Exam Questions & Answers 2023/2024

Which of the following statements is false? 1. Communication of a cell to the outside world occurs across the cell membrane 2. Hemostasis is an important process in the body 3. Teleological study of human physiology answers the "how" of the system 4. Most cell-to-cell communication uses chemicals 5. A large percentage of living cells of the body are in direct contact with the external environment {Ans: 3. Teleological study of human physiology answers the "how" of the system -answers the "why" of a system}Ovarian steroids exert negative feedback on the hypothalamic-pituitary reproductive axis _________ {Ans: with the exception of a brief phase preceding ovulation}gametogenesis {Ans: meiosis of one stem cell in the female results in the production of one functional gamete}Which of the following best summarizes the effect of negative feedback on homeostasis? 1. Negative feedback usually has a negative or bad, result for the body 2. Negative feedback works only if a change take the body above the set point 3. Negative feedback reestablishes homeostasis when the body fluctuates away from the set point 4. Negative feedback prevents any fluctuation away from the set point {Ans: 3. Negative feedback reestablishes homeostasis when the body