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Structure & Function
Human Anatomy & Physiology
| Question | Answer |
|---|---|
| Anatomy is defined as the study of the | structure of a living organism and the relationship of its parts. |
| Physiology is defined as the study of the | function of a living organism and its parts. |
| The organization of the body begins at what level? | chemical |
| A hypothesis that has gained a high level of confidence is called a | Theory and Law |
| The reference position of the body when it is in an erect, or standing, posture with the arms at the sides and palms turned forward is called the | anatomical position |
| The two major body cavities are called the | ventral and dorsal cavities |
| The space that encloses the brain and spinal cord forms one continuous cavity called the | dorsal cavity |
| The midline plane that divides the body into right and left halves is the | midsagittal plane |
| The plane that divides the body into front and back portions is the | coronal plane. |
| The chest region of the body is called the | Thorax |
| The abdominopelvic cavity is subdivided into the | abdominal and pelvic cavities. |
| Regarding directional terms, superior means | towards the head |
| The relatively constant state maintained by the body is known as | homeostasis |
| Most homeostatic control loops in the body involve | negative feedback loop |
| Instead of opposing a change in the internal environment, which type of feedback loop temporarily amplifies the change that is occurring? | positive feedback loop |
| Anything that occupies space and has mass is called | matter |
| A pure substance that is composed of only one of more than a hundred types of atoms is called a(n) | element |
| A chemical bond formed by the sharing of one or more pairs of electrons between the outer shells of two atoms is called a(n) | covalent bond |
| Molecules that form ions when dissolved in water are called | electrolytes |
| Acids | release hydrogen ions |
| As the concentration of hydrogen ions increases, the pH goes | down and the solution becomes more acidic |
| Buffers | maintain pH balance |
| The carbon-containing molecules formed by living things are often called | organic molecules |
| Each enzyme "fits" the specific molecule it works on. This explanation is often referred to as the | lock and key model |
| The most important monosaccharide is | glucose |
| An example of a polysaccharide is | glycogen |
| Proteins are large molecules composed of | amino acids |
| Which of these is not a lipid? A. fat B. steroid C. cholesterol D. polysaccharide | Polysaccharide |
| A very large molecule composed of subunits of sugar, nitrogen base, and a phosphate bond is a | nucleic acid |
| DNA and RNA are important because | they are the "master code" of life |
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anolesrus
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