Ivy Tech APHY 101 – Midterm Exam || Ch. 1-6 Questions & Answers (100% verified)

Ivy Tech APHY 101 – Midterm Exam || Ch. 1-6 Questions & Answers (100% verified) Ivy Tech APHY 101 – Midterm Exam || Ch. 1-6 Questions & Answers (100% verified) Explain the difference between the study of Anatomy and the study of Physiology - ANSWER - Anatomy is the study of structure of body parts/Physiology is the study of function of body parts Name and define the levels of organization of life - ANSWER - Organelles, cells, tissues, organs, and organ systems Define Metabolisim - ANSWER - The sum of all physical and chemical events that obtain, release, and utilize energy Define Homeostasis. How does a homeostatic mechanism maintain homeostasis? - ANSWER - The body's maintenance of a stable internal environment. Depend on normal concentrations of water, nutrients, and oxygen, and normal body temperature and pressure What is meant by negative feedback? How does negative feedback affect homeostatic mechanisms? - ANSWER - Works to correct a deviation from a set point (Tries to get back to the set point/normal) Describe the structure of a serous membrane - ANSWER - Smooth membrane consisting of 2 layers of epithelial cells which secrete serous fluid What are signs of aging at the cellular level? - ANSWER - Impaired cell division and the ability to break down and recycle worn cell parts What is meant by anatomical position? - ANSWER - Universal body position: Standing erect, facing forward, upper limbs at the sides, palms facing forward and thumbs out. Explain why chemistry is an important part of the study of Physiology - ANSWER - Body functions depend on cellular functions that, in turn, result from chemical changes Atom - ANSWER - The smallest unit of matter that defines the chemical elements Element - ANSWER - Fundamental substances in which all matter is composed of Molecule - ANSWER - 2 or more atoms may combine to form a molecule Compound - ANSWER - A substance made from two or more elements chemically combined Name the bulk elements of the body - ANSWER - Carbon, Hydrogen, Oxygen, Nitrogen, Sulfur, and Phosphorus What do atomic number and atomic weight of an atom represent?