Human Physiology 16th edition (Stuart Ira Fox): Chapters 1-7 Questions and Answers 2024

Human Physiology 16th edition (Stuart Ira Fox): Chapters 1-7 Questions and Answers 2024. Which of these statements about homeostasis is true? --ANSWER: Negative feedback mechanisms act to correct deviations from a normal range within the internal environment In a negative feedback loop, the effector produces changes that are --ANSWER: Opposite indirection to the change produced by the initial stimulus A hormone called parathyroid hormone is tasked to help raise the blood calcium concentration. According to the principles of negative feedback, and effective stimulus for the parathyroid hormone secretion would be --ANSWER: A fall in blood calcium Glands are derived from --ANSWER: epithelial tissue Cells joined tightly together are characteristic of --ANSWER: Epithelial tissue Cells are separated by large extracellular space in --ANSWER: Connective tissue Blood vessels and nerves are usually located within --ANSWER: Muscle tissue Most organs are composed of --ANSWER: Epithelial, muscle, and connective tissues Sweat is secreted by exocrine glands. This means that --ANSWER: it is secreted into a duct Which of these consists of dense parallel arrangements of collagen fibers? A) skeletal muscle tissue B) nerve tissue C) tendons D) dermis of the skin --ANSWER: Tendons The act of breathing raises the blood oxygen level, and lowers the blood carbon dioxide concentration, and raises blood PH According to the principles of negative feedback, sensors that regulate breathing should respond to --ANSWER: A rise in blood carbon dioxide concentration Adult stem cells, such as those in the bone marrow, brain, or hair follicles can best be described as ____________, whereas embryonic stem cells are described as ____________. --ANSWER: multipotent; pluripotent