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APHY 101 Ivy Tech Exam 1 Midterm Questions and Answers
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APHY 101 Ivy Tech Exam 1 Midterm Questions and Answers Signs of aging at the cellular level are: - ANSWER impaired cell division and the ability to break down and recycle worn cell parts. The elbow is distal to the wrist. - ANSWER False The ears are lateral to the eyes. - ANSWER True Which of the following lists best illustrates the idea of increasing levels of complexity? - ANSWER Organelles, cells, tissues, organs, organ systems A decomposition reaction can be symbolized by - ANSWER AB → A + B. A parietal layer of a serous membrane _______, whereas a visceral layer of a serous membrane ________. - ANSWER lines cavities; covers organs The three major parts of a cell are - ANSWER the nucleus, cytoplasm, and cell membrane. Smooth endoplasmic reticulum has ribosomes and rough endoplasmic reticulum does not. - ANSWER False In negative feedback mechanisms changes away from the normal state - ANSWER stimulate changes in the opposite direction. Chemistry is important to the study of physiology because - ANSWER all of the above. Consider the following list of commonly found items and their pH values: Which of the choices includes all acids? - ANSWER Vinegar, grapes, tomatoes, and coffee In phagocytosis - ANSWER a cell membrane engulfs solid particles. Which of the following transport processes does not require expenditure of cellular energy? - ANSWER Facilitated diffusion An organic compound always contains - ANSWER carbon and hydrogen. Saturated fats _______ than unsaturated fats. - ANSWER have more single carbon-carbon bonds The atoms of the isotopes of a particular element vary in the number of - ANSWER Neutrons Lipids - ANSWER All of the above An electrolyte ionizes in water. - ANSWER True Which of the following groups of compounds is hydrophobic? - ANSWER Carbohydrates Which of the following substances is an element? - ANSWER Iron Which of the following groups of elements account for more than 95% of the human body by weight? - ANSWER Carbon, hydrogen, oxygen, nitrogen The anatomical term that indicates a structure close to the surface is - ANSWER superficial . The difference in hydrogen ion concentration between solutions with pH 4 and pH 5 is - ANSWER tenfold The symbol Na+ represents a sodium atom that has lost an electron. - ANSWER True A water solution that contains equal numbers of hydrogen ions and hydroxide ions is - ANSWER Neutral What characteristic do simple diffusion and facilitated diffusion share? - ANSWER Both move a substance from a region of higher concentration to one of lower concentration without cellular energy. If the concentration of glucose in the water outside of a cell is higher than the concentration inside, - ANSWER water will leave the cell by osmosis. Homeostasis is the - ANSWER tendency of the body to maintain a stable internal environment. Nucleic acids are - ANSWER composed of building blocks called nucleotides. Metabolism is defined as _____. - ANSWER all the chemical reactions occurring in an organism that support life The secondary structure of a protein molecule is the result of - ANSWER hydrogen bonds.The benefits of buying summaries with Stuvia:
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